JP3657779B2 - Flat type simple slipper and manufacturing method of flat type simple slipper - Google Patents

Flat type simple slipper and manufacturing method of flat type simple slipper Download PDF

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JP3657779B2
JP3657779B2 JP17060198A JP17060198A JP3657779B2 JP 3657779 B2 JP3657779 B2 JP 3657779B2 JP 17060198 A JP17060198 A JP 17060198A JP 17060198 A JP17060198 A JP 17060198A JP 3657779 B2 JP3657779 B2 JP 3657779B2
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JPH11342003A (en
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哲也 杉山
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株式会社杉山
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Description

【０００１】
【発明の属する技術分野】
本発明は、主にホテルや病院等で来客用に用いられる使い捨てに適した扁平型簡易スリッパとこの扁平型簡易スリッパの製造方法に関する。
【０００２】
【従来の技術】
一般的に室内履物として使用されるスリッパは、ほぼ足裏の大きさに形成されていて足の裏面を支持するための底板部材から成る底板部と足の爪先や甲部を覆う甲被覆部材から成る甲被覆部とから構成され、通常、前記底板部材の所定位置に甲被覆部材の周縁部をヒートシールによる熱接着や接着剤による接着や縫着など前記底板部材と甲被覆部の素材に応じた固着手段で取付けて形成している。
前記底板部材は足の裏面を支持するという目的からスリッパ形状を保持できる堅牢な材質である程度の厚さをもち、しかも衝撃に対して緩衝力をもつ材質が望ましく、また甲被覆部材は足の爪先や甲部を覆うという目的から足に違和感の少ない柔らかな材質が望ましいが厚さは比較的薄くても良いものとされている。一度あるいは数度の使用で捨ててしまう、いわゆる使い捨て用の簡易スリッパの素材としては、前記の目的を達成できると共に安価なものが要求され、底板部材としては、例えば、厚ボール紙、クッション性のある樹脂材、あるいはこれらに柔らかな不織布や紙や布などを積層したもの、甲被覆部材としては柔らかな熱可塑性の不織布などが用いられている。このように底板部材と甲被覆部材はその目的や機能から異質な素材で肉厚の異なる素材が用いられていることが多い。また、前記したように底板部材は種々なシート材を重ね合わせて形成されることが多いが、この底板部材の重ね合わせ部を互いに固着する個所と、この底板部材に更に甲被覆部材の周縁部を固着する個所では固着される素材や肉厚が不均一となってしまう。
このように固着される素材が異質であったり、肉厚が不均一ある素材同志を、例えば熱接着によって同時に強固に接着することは大変困難であり、特に甲被覆部材が底板部材から剥がれやすいため、手間のかかる縫製作業によってこれらの接着工程を行なっているのが実情である。
しかも、底板部材に甲被覆部材を固着して形成した簡易スリッパは、使用目的に応じて底板部材のみを取り替えることが出来ない。
【０００３】
また、スリッパの甲被覆部と底板部との接合部、特に甲被覆部の両側縁部の後端側と底板部との接合部は、歩行による上下方向の強い圧力が加えられることから、この接合部の接着力が弱い場合には剥離してしまうおそれがあった。
【０００４】
このような甲被覆部と底板部との剥離を防ぐために、この接合工程を手間のかかる縫製作業によって行なう場合には、生産性が悪く製造コストが高くなってしまう弊害があった。
【０００５】
【発明が解決しようとする課題】
このように、底板部材に甲被覆部材を接着したタイプの接着型簡易スリッパの製品としての良否を決定する大きな要素は底板部材に対する甲被覆部材の接着性の良否と言われているが、本発明は、甲被覆部を含む扁平な包装形態の被覆シート部材から成るスリッパ主体と板状の底部補強部材とを別体とし、扁平な包装形態の被覆シート部材から成るスリッパ主体内に板状の底部補強部材を非接着な状態に包装することによって、素材が異なり接着な困難な甲被覆部材と底板部材を接着せずに構成した簡易スリッパを提供するものである。強固な接着が困難とされている甲被覆部材と底板部材を接着せずに簡易スリッパを形成することにより、底板部材の素材や厚さの選定が容易であり、例えば表面に凹凸部を形成した底板部材の採用も可能にした簡易スリッパを提供するものである。
また、スリッパ主体に対して底板部材のみ交換できる簡易スリッパを提供するものである。また、底板部材を包装してない被覆シート部材から成るスリッパ主体のみを、通常のビニール製やフェルト製のスリッパ内に挿入して使用するスリッパ用インソールとしても用いることができる簡易スリッパを提供するものである。
また、本発明の目的は、スリッパの甲被覆部の両側縁部として機能される部分を歩行による上下方向の圧力集中に対しても剥離しないように特に強化させた簡易スリッパを提供することである。特に、歩行による上下方向の圧力が集中され、甲を覆う部分と足で押圧される底部側とを互いに引き離す力が強く作用される甲被覆部の開口側縁部と足で押圧される底部側との境目を剥離しないように強化させたものである。
また、本発明の目的は、甲被覆部の両側部、特に歩行によって、甲を覆う部分と足で押圧される底部側とを互いに引き離す力が強く作用される甲被覆部の開口側縁部と足で押圧される底部側との境目が剥離されにくい新規な簡易スリッパを連続的かつ高速的に機械製造するのに適した製造方法を提供することを目的とする。
【０００６】
【課題を解決するための手段】
上記目的を達成するため本発明は、スリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）とをもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してあり、このように形成されたスリッパ主体の前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間にほぼ足裏の大きさに形成された板状の底部補強部材（３０）を包装したことを特徴とする扁平型簡易スリッパを提供する。ここで提供された簡易スリッパは、甲被覆部（４）を含む扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）と板状の底部補強部材（３０）とを別体とし、扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）内に板状の底部補強部材（３０）を包装することによって、接着が困難な甲被覆部（４）と板状の底部補強部材（３０）を接着せずに構成した簡易スリッパを提供するものである。
【０００７】
また、本発明は、シート部材によってスリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに長手方向において前後に区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してなり、扁平な包装形態に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成したことを特徴とする扁平型簡易スリッパを提供すると共に、前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間に前記接着輪郭形状部（１１）より小さな外形をもちほぼ足裏の大きさに形成された板状の底部補強部材（３０）を該底部補強部材の外周縁部を前記接着輪郭形状部（１１）から遊離させた非接着状態に包装したことを特徴とする扁平型簡易スリッパを提供する。前記折り曲げ輪郭形状部（１０，１０）を除く外周縁部をスリッパ輪郭形状に沿うように接着して接着輪郭形状部（１１）を形成する接着手段は、接着剤を介した接着方法も可能であるが、前記シート部材として熱可塑性素材を用い、ヒートシールや、超音波接着などの接着方法に、よる事が好ましい。ここで提供された簡易スリッパは、甲被覆部（４）を含む扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）と板状の底部補強部材（２０）とを別体とし、扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）内に板状の底部補強部材（３０）を非接着な状態に包装して構成したものであり、更に、扁平な包装形態 に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成したことによって、特に、歩行による上下方向の圧力集中が顕著である甲被覆部の両側縁部の後端側と底面部との境目を剥離しないように強化させたものである。
【０００８】
また、本発明は、シート部材によってスリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してなり、前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの爪先側前縁部（４ｂ）と踵側後縁部（５ａ）として機能されるシートを折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く外周縁部をスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の両端部（６ａ，６ａ）を前記接着輪郭形状部（１１）の近くに位置するように形成したことを特徴とし、前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間に前記接着輪郭形状部（１１）より小さな外形をもちほぼ足裏の大きさに形成された板状の底部補強部材（３０）を該底部補強部材の外周縁部を前記接着輪郭形状部（１１）から遊離させた非接着状態に包装したことを特徴とする扁平型簡易スリッパを提供する。前記折り曲げ輪郭形状部（１０，１０）を除く外周縁部をスリッパ輪郭形状に沿うように接着して接着輪郭形状部（１１）を形成する接着手段は、接着剤を介した接着方法も可能であるが、前記シート部材として熱可塑性素材を用い、ヒートシールや、超音波接着などの接着方法に、よる事が好ましい。ここで提供された簡易スリッパは、甲被覆部（４）を含む扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）と板状の底部補強部材（３０）とを別体とし、扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）内に板状の底部補強部材（３０）を非接着な状態に包装して構成したものであり、更に、前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの爪先側前縁部（４ｂ）と踵側後縁部（５ａ）として機能される部分をシートを折り曲げて形成された折り曲げ輪郭形状部（１０，１０）としたことによって、歩行による足爪先部の圧力が加えられるスリッパの爪先側前縁部（４ｂ）を剥離しないように強化させている。スリッパの爪先側前縁部（４ｂ）をシートを折り曲げて折り曲げ輪郭形状部（１０）としたこの簡易スリッパは、スリッパ主体のみを通常のスリッパ内に挿入してスリッパ用インソールとして用いた場合に特に効果的である。
【０００９】
また、本発明は、シート部材によってスリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してなり、前記被覆シート部材（３）の外周縁部を扁平状態でスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部（１１）で形成し、前記足入れ用開口部（６）の両端部（６ａ，６ａ）を前記接着輪郭形状部（１１）の近くに位置するように形成したことを特徴とし、前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間に前記接着輪郭形状部（１１）より小さな外形をもちほぼ足裏の大きさに形成された板状の底部補強部材（３０）を該底部補強部材の外周縁部を前記接着輪郭形状部（１１）から遊離させた非接着状態に包装したことを特徴とする扁平型簡易スリッパを提供する。前記接着輪郭形状部（１１）を形成する接着手段は、接着剤を介した接着方法も可能であるが、前記シート部材として熱可塑性素材を用い、ヒートシールや、超音波接着などの接着方法に、よる事が好ましい。ここで提供された簡易スリッパは、甲被覆部（４）を含む扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）と板状の底部補強部材（３０）とを別体とし、扁平な包装形態の被覆シート部材（３）から成るスリッパ主体（２０）内に板状の底部補強部材（３０）を非接着な状態に包装することによって、接着が困難な甲被覆部材と板状の底部補強部材を接着せずに構成した簡易スリッパを提供するものである。
【００１０】
また、本発明は、熱可塑性素材からなるシート部材によってスリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに長手方向において前後に区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してなり、扁平な包装形態に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成してなり、更に、前記スリッパ主体（２０）の前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間に、足裏巾とほぼ同じ横巾に形成された熱可塑性素材からなる板状の底部補強部材（３０）を、該底部補強部材の横巾方向の外周縁部を少なくとも前記甲被覆部（４）の両側縁部（４ａ，４ａ）から該両側縁部（４ａ，４ａ）を立ち上げるための所定の立ち上げ遊び巾（Ｌ３，Ｌ３）を与えられる位置に配設すると共に、この底部補強部材（３０）の爪先側と踵側に位置する長手方向の外周縁部を前記熱接着輪郭形状部（１１）で前記表面側被覆シート部（１）と底面側被覆シート部（２）の間に挟まれて熱接着された接着状態に包装したことを特徴とする扁平型簡易スリッパを提供する。前記折り曲げ輪郭形状部（１０，１０）を除く外周縁部をスリッパ輪郭形状に沿うように接着して熱接着輪郭形状部（１１）を形成する接着手段は、ヒートシールによる接着方法も可能であるが、超音波接着による接着方法が好ましい。ここで提供された簡易スリッパは、扁平な包装形態に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成したことによって、特に、歩行による上下方向の圧力集中が顕著である甲被覆部の両側縁部の後端側と底面部との境目を剥離しないように強化させたものである。また、ここで提供された簡易スリッパは、連続的かつ高速的に機械製造するのに適している。
【００１１】
前述した、被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シー ト部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）とした構造の扁平型簡易スリッパは、
シート長手方向の中央部に扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部（４ａ，４ａ）の平行な延長線（Ｌ１，Ｌ１）で囲まれた表面側被覆シート部形成範囲（４１）と、この表面側被覆シート部形成範囲（４１）の両側部に各端部が互いに接合される所定巾を与えられた底面側被覆シート部形成範囲（４２，４２）とをもつ所定のシート巾に形成された熱可塑性素材からなる長尺のシート部材（４０）であり、該シート部材（４０）の前記表面側被覆シート部形成範囲（４１）に、前記表面側被覆シート部形成範囲（４１）をシート長手方向に沿ってスリッパ単位を構成する甲被覆部（４）と踵被踏部（５）とにシート長手方向において前後に区分けする足入れ用開口部（６）を該足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記表面側被覆シート部形成範囲（４１）の側縁位置の近くに位置するようにスリッパ形成単位ごと所定の間隔をおいて順次形成する足入れ用開口部形成工程と、
この足入れ用開口部形成工程で足入れ用開口部（６）を順次形成されたシート部材（４０）の前記表面側被覆シート部形成範囲（４１）内にほぼ足裏の大きさに形成された板状の底部補強部材（３０）を該底部補強部材が甲被覆部（４）と踵被踏部（５）とに区分けする足入れ用開口部（６）の形成位置に対応されるように重ね合わせる底部補強部材重ね合わせ工程と、
前記足入れ用開口部形成工程で足入れ用開口部（６）を順次形成され、且つ前記底部補強部材重ね合わせ工程で前記表面側被覆シート部形成範囲（４１）内の所定位置に重ね合わせた底部補強部材（３０）を前記シート部材（４０）で包装すべくシート部材（４０）を扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部の平行な前記延長線（Ｌ１，Ｌ１）に沿ってシート部材（４０）の長手方向の両側端部を各両側端部が互いに接合されるようにそれぞれ折り曲げて足入れ用開口部（６）を形成した表面側被覆シート部（１）と各折り曲げ片から成る底面側被覆シート部（２）とを形成する折り曲げ工程と、
この折り曲げ工程で前記底部補強部材（３０）を包装した状態に折り曲げられた各折り曲げ片の接合部を熱接着することによって表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な筒状被覆体を形成する筒状被覆体形成工程と、前記折り曲げ工程の後で前記筒状被覆体形成工程の前後あるいは同時に表面側被覆シート部（１）に形成されている前記足入れ用開口部（６）の両端部（６ａ，６ａ）が前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部の後端部の近くに位置するようにして前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部を除く表面側被覆シート部（１）と底面側被覆シート部（２）とを前記底部補強部材（３０）の外周縁部から遊離させた所定のスリッパ輪郭形状に沿うように熱接着する熱接着輪郭形状部形成工程と、この熱接着輪郭形状部形成工程で熱接着された熱接着輪郭形状部（１１）の外側にあるシート部材（４０）を取り除くべく切断するカット工程によって、連続的かつ高速的に製造することができる。
【００１２】
また、前記底部補強部材（３０）を包装してないスリッパ主体（２０）のみからなる簡易スリッパを製造する場合は、前記の工程から底部補強部材重ね合わせ工程を省略することによって達成できる。
【００１３】
また、ほぼ足裏の大きさに形成された板状の底部補強部材（３０）をシート部材（４０）に重ね合わせるようにした前記底部補強部材重ね合わせ工程に代えて、足裏巾とほぼ同じ横巾に形成された熱可塑性素材からなる板状の長尺な底部補強用シート部材（３１）を用い、この底部補強用シート部材（３１）を前記シート部材（４０）の前記表面側被覆シート部形成範囲（４１）内で該底部補強用シート部材（３１）の両側縁部をスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部の平行な延長線（Ｌ１，Ｌ１）から該両側縁部（４ａ，４ａ）を立ち上げるための所定の立ち上げ遊び巾（Ｌ３，Ｌ３）を与えて前記シート部材（４０）の長手方向に沿わして重ね合わせるようにした底部補強用シート部材重ね合わせ工程を設け、後工程の熱接着輪郭形状部形成工程でシート部材の表面側被覆シート部（１）と底面側被覆シート部（２）の間に挟まれて熱接着された底部補強用シート部材（３１）の爪先側と踵側に位置する長手方向の両端部を、シート部材（４０）と一緒に次工程のカット工程で熱接着輪郭形状部（１１）の外側に在る部分を取り除くべく切断することによって、製造することができる。この製法では、歩行による上下方向の圧力集中が顕著であるスリッパの甲被覆部の両側縁部の後端側と底面部との境目を剥離しないように強化した簡易スリッパを、より連続的かつ高速的に機械製造することができる。
【００１４】
【発明の実施の形態】
本発明に係る扁平型簡易スリッパ及び扁平型簡易スリッパの製造方法について添付の図面を参照しながら説明する。
図１から図１３は本発明の扁平型簡易スリッパを示している。これらの図面に示された扁平型簡易スリッパに共通する構成は、スリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２とをもつ扁平な包装形態に形成された被覆シート部材３と、この被覆シート部材３の前記表面側被覆シート部１に形成され、該表面側被覆シート部１を爪先や甲を覆う甲被覆部４と踵で踏まれる踵被踏部５とに区分けする足入れ用開口部６によってスリッパ主体２０を形成してあり、このように形成されたスリッパ主体２０の前記被覆シート部材３内の表面側被覆シート部１と底面側被覆シート部２の間にほぼ足裏の大きさに形成された板状の底部補強部材３０を包装したことである。
図１から図１０に示した簡易スリッパは、甲被覆部４を含む扁平な包装形態の被覆シート部材３から成るスリッパ主体２０と板状の底部補強部材３０とを別体とし、扁平な包装形態の被覆シート部材３から成るスリッパ主体２０内に板状の底部補強部材３０を前記被覆シート部材３０と互いに非接着な状態に包装することによって、接着剤による接着や、ヒートシールによる接着方法では、強固な接着が困難な甲被覆部４と板状の底部補強部材３０を接着せずに構成したものである。図１から図１０に示した簡易スリッパは、前記スリッパ主体２０の被覆シート部材３内に包装されている底部補強部材３０を、開口されている前記足入れ用開口部６から手作業で挿入して包装しても良く、機械的製造過程で包装しても良い。また、図１から図１０に示した簡易スリッパは、前記スリッパ主体２０を構成する前記被覆シート部材３内に前記底部補強部材３０を内包してないスリッパ主体２０のみでも簡易スリッパとして用いることができ、また、通常のビニール製などのスリッパ内に挿入してスリッパ用インソールとしても用いることができる。
また、図１から図１３に示した簡易スリッパは、前記足入れ用開口部６として、湾曲した切れ目を図示してあるが、これに限定されず足の甲部を入れることができる開口部を形成したものであれば良い。
【００１５】
図１から図４に示した扁平型簡易スリッパは、熱可塑性の不織布など熱溶着可能な素材からなるシート部材によってスリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２をもつ扁平な包装形態に形成された被覆シート部材３と、この被覆シート部材３の前記表面側被覆シート部１に形成され、該表面側被覆シート部１を甲被覆部４と踵被踏部５とに長手方向において前後に区分けする足入れ用開口部６によってスリッパ主体２０を形成してなり、扁平な包装形態に形成された前記被覆シート部材３の外周縁部を、扁平状態でスリッパの前記甲被覆部４の両側縁部４ａ，４ａとして機能される、単一な前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部１側と底面側被覆シート部２側とに折り曲げて形成された折り曲げ輪郭形状部１０，１０と、該折り曲げ輪郭形状部１０，１０を除く該被覆シート部材３の外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部１１とで形成し、前記足入れ用開口部６の横巾方向の両端部６ａ，６ａを前記甲被覆部４の両側縁部４ａ，４ａとして機能される前記折り曲げ輪郭形状部１０，１０の後端部の近くに位置するように形成したことを特徴とし、前記被覆シート部材３内の表面側被覆シート部１と底面側被覆シート部２の間に前記熱接着輪郭形状部１１より小さな外形をもちほぼ足裏の大きさに形成された厚ボール紙などの板状の底部補強部材３０を該底部補強部材３０の外周縁部を前記熱接着輪郭形状部１０，１０から遊離させた非接着状態に包装して構成したものである。スリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２をもつ扁平な包装形態の前記被覆シート部材３は、熱可塑性の不織布など熱溶着可能な素材からなる略矩形のシート部材を該シート部材の対向する一方の両側端部をこの両側端部が互いに接合されるように扁平状態でスリッパの甲被覆部４の両側縁部４ａ，４ａとして機能される該両側縁部４ａ，４ａの延長線Ｌ１に沿ってそれぞれ折り曲げ、折り曲げられた各折り曲げ片の接合部を熱接着８することによって扁平な筒状被覆体を形成し、この扁平な筒状被覆体の両折り曲げ部のうち前記甲被覆部４の両側縁部４ａ，４ａとして機能させる範囲の折り曲げ輪郭形状部１０，１０と該折り曲げ輪郭形状部１０を除いてスリッパの輪郭形状に沿うように熱接着された熱接着輪郭形状部１１とでスリッパ輪郭形状を形成し、このスリッパ輪郭形状を形成する熱接着輪郭形状部１１の外側のシート部分を取り除くべく切断することによって構成される。ここで提供された簡易スリッパは、甲被覆部４を含む扁平な包装形態の被覆シート部材３から成るスリッパ主体２０と板状の底部補強部材３０とを別体とし、扁平な包装形態の被覆シート部材３から成るスリッパ主体２０内に板状の底部補強部材３０を非接着な状態に包装して構成したものであり、更に、前記被覆シート部材３の外周縁部を、扁平状態でスリッパの前記甲被覆部４の両側縁部４ａ，４ａとして機能される、単一な前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部１側と底面側被覆シート部２側とに折り曲げて形成された折り曲げ輪郭形状部１０，１０と、該折り曲げ輪郭形状部を除く該被覆シート部材３の外周縁部をスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部１１とで形成し、前記足入れ用開口部６の横巾方向の両端部６ａ，６ａを前記甲被覆部４の両側縁部４ａ，４ａとして機能される前記折り曲げ輪郭形状部１０，１０の後端部の近くに位置するように形成したことによって、特に、歩行による上下方向の圧力集中が顕著である甲被覆部４の両側縁部の後端側と底面部との境目を剥離しないように強化させたものである。なお、前記筒状被覆体を形成するに際して、各折り曲げ片の重ね合わせた接合部を熱接着したものを図示してあるが、図面のように重ね合わせずに各折り曲げ片の突き合わされた端部を互いに接合させ、この接合された突合せ端部を熱接着することによって接着することもできる。また、前記被覆シート部材３を形成するシート部材として熱可塑性素材を用いているが、この熱可塑性素材から成るシート部材には、シート部材全体を熱可塑性素材で形成したものの他、例えば、紙やレーヨン不織布から成る素材に熱可塑性樹脂などの熱可塑性素材層をコーティングしたものも含むものであり、これは後述する図５から図１３に示した実施形態における被覆シート部材も同様である。
【００１６】
図５から図７に示した扁平型簡易スリッパは、熱可塑性素材、例えば熱可塑性の不織布からなるシート部材によってスリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２をもつ扁平な包装形態に形成された被覆シート部材３と、この被覆シート部材３の前記表面側被覆シート部１に形成され、該表面側被覆シート部１を甲被覆部４と踵被踏部５とに区分けする足入れ用開口部６によってスリッパ主体２０を形成してなり、前記被覆シート部材３の外周縁部を、扁平状態でスリッパの爪先側前縁部４ｂと踵側後縁部５ａとして機能されるシートを折り曲げて形成された折り曲げ輪郭形状部１０，１０と、該折り曲げ輪郭形状部１０，１０を除く外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部１１とで形成し、前記足入れ用開口部６の両端部６ａ，６ａを前記熱接着輪郭形状部１１の近くに位置するように形成したことを特徴とし、前記被覆シート部材３内の表面側被覆シート部１と底面側被覆シート部２の間に前記熱接着輪郭形状部１１より小さな外形をもちほぼ足裏の大きさに形成された厚ボール紙などの板状の底部補強部材３０を該底部補強部材３０の外周縁部を前記熱接着輪郭形状部１１から遊離させた非接着状態に包装して構成したものである。ここで提供された簡易スリッパは、甲被覆部４を含む扁平な包装形態の被覆シート部材３から成るスリッパ主体２０と板状の底部補強部材３０とを別体とし、扁平な包装形態の被覆シート部材３から成るスリッパ主体２０内に板状の底部補強部材３０を非接着な状態に包装して構成したものであり、更に、前記被覆シート部材３の外周縁部を、扁平状態でスリッパの爪先側前縁部４ｂと踵側後縁部５ａとして機能されるシートを折り曲げて形成された折り曲げ輪郭形状部１０，１０としたことによって、歩行による足爪先部の圧力が加えられるスリッパの爪先側前縁部４ｂを剥離しないように強化させている。スリッパの爪先側前縁部４ｂをシートを折り曲げて折り曲げ輪郭形状部１０としたこの簡易スリッパは、スリッパ主体２０のみを通常のスリッパ内に挿入してスリッパ用インソールとして用いた場合に特に効果的である。
【００１７】
図８から図１０に示した扁平型簡易スリッパは、熱可塑性素材、例えば熱可塑性の不織布からなるシート部材によってスリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２をもつ扁平な包装形態に形成された被覆シート部材３と、この被覆シート部材３の前記表面側被覆シート部１に形成され、該表面側被覆シート部１を甲被覆部４と踵被踏部５とに区分けする足入れ用開口部６によってスリッパ主体２０を形成してなり、前記被覆シート部材３の外周縁部を扁平状態でスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部１１で形成し、前記足入れ用開口部６の両端部６ａ，６ａを前記熱接着輪郭形状部１１の近くに位置するように形成したことを特徴とし、前記被覆シート部材３内の表面側被覆シート部１と底面側被覆シート部２の間に前記熱接着輪郭形状部１１より小さな外形をもちほぼ足裏の大きさに形成された厚ボール紙などの板状の底部補強部材３０を該底部補強部材３０の外周縁部を前記熱接着輪郭形状部１１から遊離させた非接着状態に包装して構成してある。ここで提供された簡易スリッパは、甲被覆部４を含む扁平な包装形態の被覆シート部材３から成るスリッパ主体２０と板状の底部補強部材３０とを別体とし、扁平な包装形態の被覆シート部材３から成るスリッパ主体２０内に板状の底部補強部材３０を非接着な状態に包装することによって、接着な困難な甲被覆部４と板状の底部補強部材３０を接着せずに構成したものである。
なお、図８及び図９に示した実施形態では、前記表面側被覆シート部１に前記足入れ用開口部６を形成すると共にこの足入れ用開口部６の形成位置より踵側にスリッパ長手方向と直交する第２開口部７を形成し、前記足入れ用開口部６と前記第２開口部７の間に在る表面側被覆シート部１を図示する如く底部補強シート部材３０の下側に位置するように底部補強シート部材３０を前記被覆シート部材３内の表面側被覆シート部１と底面側被覆シート部２の間に包装いている。前記足入れ用開口部６の他に前記第２開口部７を形成した場合、前記被覆シート部材３内に後から手作業で前記底部補強部材２０を挿入する操作が容易である。
【００１８】
図１１から図１３に示した扁平型簡易スリッパは、熱可塑性の不織布など熱溶着可能な熱可塑性素材からなるシート部材によってスリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２をもつ扁平な包装形態に形成された被覆シート部材３と、この被覆シート部材３の前記表面側被覆シート部１に形成され、該表面側被覆シート部１を甲被覆部４と踵被踏部５とに区分けする足入れ用開口部６によってスリッパ主体２０を形成してなり、前記被覆シート部材３の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部１側と底面側被覆シート部２側とに折り曲げて形成された折り曲げ輪郭形状部１０，１０と、該折り曲げ輪郭形状部を除く外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部１１とで形成し、前記足入れ用開口部６の両端部６ａ，６ａを前記甲被覆部４の両側縁部４ａ，４ａとして機能される前記折り曲げ輪郭形状部１０，１０の後端部の近くに位置するように形成し、更に、前記スリッパ主体２０の前記被覆シート部材３内の表面側被覆シート部１と底面側被覆シート部２の間に、足裏巾とほぼ同じ横巾Ｌ２に形成された熱可塑性の不織布など熱溶着可能な熱可塑性素材からなるやや厚目のシート厚をもつ板状の底部補強部材３０を、該底部補強部材の横巾方向の外周縁部を少なくとも前記甲被覆部４の両側縁部４ａ，４ａから該両側縁部４ａ，４ａを立ち上げるための所定の立ち上げ遊び巾Ｌ３，Ｌ３を与えられる位置に配設すると共に、この底部補強部材３０の爪先側と踵側に位置する長手方向の外周縁部を前記熱接着輪郭形状部１１で前記表面側被覆シート部１と底面側被覆シート部２の間に挟まれて熱接着された接着状態に包装して構成したものである。前記折り曲げ輪郭形状部１０，１０を除く外周縁部をスリッパ輪郭形状に沿うように接着して熱接着輪郭形状部１１を形成する接着手段は、ヒートシールによる接着、好ましくは超音波接着による接着方法によって行なわれる。
スリッパ輪郭形状の表面側被覆シート部１と底面側被覆シート部２をもつ扁平な包装形態の前記被覆シート部材３は、図１乃至図４の実施形態と同様に、熱可塑性の不織布など熱溶着可能な素材からなる略矩形のシート部材を該シート部材の対向する一方の両側端部をこの両側端部が互いに接合されるように扁平状態でスリッパの甲被覆部４の両側縁部４ａ，４ａとして機能される該両側縁部４ａ，４ａの延長線Ｌ１に沿ってそれぞれ折り曲げ、折り曲げられた各折り曲げ片の接合部を熱接着８することによって扁平な筒状被覆体を形成し、この扁平な筒状被覆体の両折り曲げ部のうち前記甲被覆部４の両側縁部４ａ，４ａとして機能させる範囲の折り曲げ輪郭形状部１０，１０と該折り曲げ輪郭形状部１０を除いてスリッパの輪郭形状に沿うように熱接着された熱接着輪郭形状部１１とでスリッパ輪郭形状を形成し、このスリッパ輪郭形状を形成する熱接着輪郭形状部１１の外側のシート部分を取り除くべく切断することによって構成される。
ここで提供された簡易スリッパは、前記被覆シート部材３の外周縁部を、扁平状態でスリッパの前記甲被覆部４の両側縁部４ａ，４ａとして機能される、単一な前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部１側と底面側被覆シート部２側とに折り曲げて形成された折り曲げ輪郭形状部１０，１０と、該折り曲げ輪郭形状部を除く該被覆シート部材３の外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部１１とで形成し、前記足入れ用開口部６の横巾方向の両端部６ａ，６ａを前記甲被覆部４の両側縁部４ａ，４ａとして機能される前記折り曲げ輪郭形状部１０，１０の後端部の近くに位置するように形成したことによって、特に、歩行による上下方向の圧力集中が顕著である甲被覆部の両側縁部の後端側と底面部との境目を剥離しないように強化させたものである。また、ここで提供された簡易スリッパは、連続的かつ高速的に機械製造するのに適している。
【００１９】
次に図１乃至図４に示した簡易スリッパの製造方法について、図１４（ａ）（ｂ）（ｃ）を加えて説明する。
シート長手方向の中央部に扁平状態でスリッパの甲被覆部４の両側縁部４ａ，４ａとして機能される該両側縁部４ａ，４ａの平行な延長線Ｌ１，Ｌ１で囲まれた表面側被覆シート部形成範囲４１と、この表面側被覆シート部形成範囲４１の両側部に各端部が互いに接合される所定巾を与えられた底面側被覆シート部形成範囲４２，４２とに画成された所定のシート巾に形成された熱可塑性の不織布などからなる長尺のシート部材４０であり、該シート部材４０の前記表面側被覆シート部形成範囲４１に、前記表面側被覆シート部形成範囲４１をシート長手方向に沿ってスリッパ単位を構成する甲被覆部４と踵被踏部５とにシート長手方向において前後に区分けする足入れ用開口部６を該足入れ用開口部６の横巾方向の両端部６ａ，６ａを前記表面側被覆シート部形成範囲４１の側縁位置の近くに位置するようにスリッパ形成単位ごと所定の間隔をおいて順次形成する図１１（ａ）に概略を示す足入れ用開口部形成工程と、
この足入れ用開口部形成工程で足入れ用開口部６を順次形成されたシート部材４０の前記表面側被覆シート部形成範囲４１内にほぼ足裏の大きさに形成された厚ボール紙などの板状の底部補強部材３０を該底部補強部材３０が甲被覆部４と踵被踏部５とに区分けする足入れ用開口部６の形成位置に対応されるように重ね合わせる底部補強部材重ね合わせ工程と、
前記足入れ用開口部形成工程で足入れ用開口部６を順次形成され、且つ前記底部補強部材重ね合わせ工程で前記表面側被覆シート部形成範囲４１内に重ね合わせた底部補強部材３０を前記シート部材４０で包装すべくシート部材４０を扁平状態でスリッパの甲被覆部４の両側縁部４ａ，４ａとして機能される該両側縁部４ａ，４ａの平行な延長線Ｌ１に沿ってシート部材４０の長手方向の両側端部を各両側端部が互いに接合されるようにそれぞれ折り曲げて足入れ用開口部を形成した表面側被覆シート部１と各折り曲げ片から成る底面側被覆シート部２とを形成する折り曲げ工程と、
この折り曲げ工程で前記底部補強部材３０を包装した状態に折り曲げられた各折り曲げ片の接合部を熱接着８することによって表面側被覆シート部１と底面側被覆シート２部をもつ扁平な筒状被覆体を形成する図１１（ｂ）に概略を示す筒状被覆体形成工程と、前記折り曲げ工程の後で前記筒状被覆体形成工程の前後あるいは同時に表面側被覆シート部１に形成されている前記足入れ用開口部６の両端部６ａ，６ａが前記甲被覆部４の両側縁部４ａ，４ａとして機能される折り曲げ部の後端部の近くに位置するようにして前記甲被覆部４の両側縁部４ａ，４ａとして機能される折り曲げ部を除く表面側被覆シート部１と底面側被覆シート部２とを前記底部補強部材３０の外周縁部から遊離させた所定のスリッパ輪郭形状に沿うように熱接着する図１１（ｃ）に概略を示す熱接着輪郭形状部形成工程と、この熱接着輪郭形状部形成工程で熱接着された熱接着輪郭形状部１１の外側に在るシート部材４０を取り除くべく切断するカット工程によって、連続的かつ高速的に偏平型簡易スリッパを製造することができる。
【００２０】
なお、板状の底部補強部材３０を包装してないスリッパ主体２０のみからなる簡易スリッパを製造する場合は、前記の工程から底部補強部材重ね合わせ工程を省略することによって達成できる。
【００２１】
また、ほぼ足裏の大きさに形成された板状の底部補強部材３０をシート部材４０に重ね合わせるようにした前記底部補強部材重ね合わせ工程に代えて、図１５（ａ）（ｂ）（ｃ）に製造工程の概略を示すように、足裏巾とほぼ同じ横巾Ｌ２に形成された熱可塑性素材からなる板状の長尺な底部補強用シート部材３１を用い、この底部補強用シート部材３１を前記シート部材４０の前記表面側被覆シート部形成範囲４１内で該底部補強用シート部材３１の両側縁部をスリッパの甲被覆部４の両側縁部４ａ，４ａとして機能される該両側縁部の平行な延長線Ｌ１，Ｌ１から該両側縁部４ａ，４ａを立ち上げるための所定の立ち上げ遊び巾Ｌ３，Ｌ３を与えて前記シート部材４０の長手方向に沿わして重ね合わせるようにした底部補強用シート部材重ね合わせ工程を設け、後工程の熱接着輪郭形状部形成工程でシート部材４０の表面側被覆シート部１と底面側被覆シート部２の間に挟まれて熱接着された底部補強用シート部材３１の爪先側と踵側に位置する長手方向の両端部を、シート部材４０と一緒に次工程のカット工程で熱接着輪郭形状部１１の外側に在る部分を取り除くべく切断することによって、製造することができる。前記熱接着輪郭形状部形成工程における接着手段は、超音波接着による接着方法が好ましい。なお、図１５における、その他の製造工程の説明は、図１４と同様である。この製法では、歩行による上下方向の圧力集中が顕著であるスリッパの甲被覆部の両側縁部の後端側と底面部との境目を剥離しないように強化した簡易スリッパを、より連続的かつ高速的に機械製造することができる。
【００２２】
【発明の効果】
本発明（請求項２の）に係る扁平型簡易スリッパは、甲被覆部を含む扁平な包装形態の被覆シート部材から成るスリッパ主体と板状の底部補強部材とを別体とし、扁平な包装形態の被覆シート部材から成るスリッパ主体内に板状の底部補強部材を非接着な状態に包装することによって、素材が異なり接着が困難な甲被覆部材と底板部材を接着せずに構成したものであり、強固な接着が困難とされている甲被覆部材と底板部材として機能する板状の底部補強部材を接着せずに簡易スリッパを形成したことにより、底板部材として機能する板状の底部補強部材の素材や厚さの選定が容易であり、例えば表面に凹凸部を形成した底板部材の採用も可能である。
また、本発明（請求項２の）に係る扁平型簡易スリッパは、スリッパ主体に対して底板部材として機能する板状の底部補強部材のみ交換できる。
また、本発明（請求項１の）に係る扁平型簡易スリッパは、底板部材として機能する板状の底部補強部材を包装してない被覆シート部材から成るスリッパ主体のみを、通常のビニール製やフェルト製のスリッパ内に挿入して使用するスリッパ用インソールとしても用いることができる。
【００２３】
しかも、本発明（請求項１乃至３の）に係る扁平型簡易スリッパは、扁平な包装形態に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成し、歩行による上下方向の圧力が集中され、甲を覆う部分と足で押圧される底部側とを互いに引き離す力が強く作用される甲被覆部の開口側縁部と足で押圧される底部側との境目をつなぎ目の無いシート部材によって構成したことによって、スリッパの甲被覆部の両側縁部として機能される部分を歩行による上下方向の圧力集中に対しても剥離しないように特に強化させたものである。特に歩行による上下方向の圧力集中が顕著である甲被覆部の両側縁部の後端側と足で押圧される底部側との境目を剥離しないように強化させたものである。
【００２４】
また、本発明の係る扁平型簡易スリッパの製法によれば、甲被覆部の両側部、特に歩行によって、甲を覆う部分と足で押圧される底部側とを互いに引き離す力が強く作用される甲被覆部の開口側縁部と足で押圧される底部側との境目が剥離されにくい新規な簡易スリッパを連続的かつ高速的に製造することができる。
【図面の簡単な説明】
【図１】 本発明の扁平型簡易スリッパを示す平面図である。
【図２】 図１の扁平型簡易スリッパの底面図である。
【図３】 図１のＡ−Ａ矢視線に沿った縦断面図である。
【図４】 図１のＢ−Ｂ矢視線に沿った縦断面図である。
【図５】 本発明の扁平型簡易スリッパの他の実施形態を示す平面図である。
【図６】 図５の扁平型簡易スリッパの底面図である。
【図７】 図５のＣ−Ｃ矢視線に沿った縦断面図である。
【図８】 本発明の扁平型簡易スリッパの他の実施形態を示す平面図である。
【図９】 図８のＤ−Ｄ矢視線に沿った縦断面図である。
【図１０】 図８のＥ−Ｅ矢視線に沿った縦断面図である。
【図１１】 本発明の扁平型簡易スリッパの他の実施形態を示す平面図である。
【図１２】 図１１の扁平型簡易スリッパの底面図である。
【図１３】 図１１のＦ−Ｆ矢視線に沿った縦断面図である。
【図１４】 図１乃至図４に示した扁平型簡易スリッパの製造工程を示す図である。
【図１５】 図１１乃至図１３に示した扁平型簡易スリッパの製造工程を示す図である。
【符号の説明】
１ 表面側被覆シート部
２ 底面側被覆シート部
３ 被覆シート部材
４ 甲被覆部
４ａ，４ａ 甲被覆部の両側縁部
５ 踵被踏部
６ 足入れ用開口部
６ａ，６ａ 足入れ用開口部の両端部
１０ 折り曲げ輪郭形状部
１１ 熱接着輪郭形状部
２０ スリッパ主体
３０ 底部補強部材
３１ 底部補強用シート部材
４０ シート部材
４１ 表面側被覆シート部形成範囲
４２ 底面側被覆シート部形成範囲[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to a flat-type simple slipper suitable for disposable use mainly for guests in hotels, hospitals, and the like, and a method for manufacturing the flat-type simple slipper.
[0002]
[Prior art]
  Slippers generally used as indoor footwear are made up of a bottom plate part formed of a bottom plate member for supporting the back side of the foot and an upper covering member covering the toe and upper part of the foot. According to the material of the bottom plate member and the upper covering portion, such as heat bonding by heat sealing, bonding with an adhesive or sewing, usually at a predetermined position of the bottom plate member. It is attached and formed by the fixing means.
  For the purpose of supporting the back surface of the foot, the bottom plate member is a robust material that can hold the shape of the slipper, has a certain thickness, and preferably has a shock-absorbing material, and the upper covering member is a toe of the foot. For the purpose of covering the upper part and the upper part, a soft material with a little uncomfortable feeling on the foot is desirable, but the thickness may be relatively thin. As a material of a so-called disposable simple slipper that is thrown away after use once or several times, the above-mentioned purpose can be achieved and an inexpensive material is required. As the bottom plate member, for example, thick cardboard, cushioning material, etc. Some resin materials, or those obtained by laminating soft non-woven fabrics, papers, cloths or the like, and soft thermoplastic non-woven fabrics are used as the upper covering member. In this way, the bottom plate member and the upper covering member are often made of different materials and different thicknesses depending on their purposes and functions. In addition, as described above, the bottom plate member is often formed by overlapping various sheet materials. The bottom plate member is fixed to each other, and the bottom plate member is further joined to the peripheral portion of the upper covering member. The material to be fixed and the thickness are not uniformturn into.
  In this way, it is very difficult to firmly bond materials with different materials or uneven thicknesses together, for example, by thermal bonding, especially because the upper covering member is easily peeled off from the bottom plate member. In fact, these bonding steps are performed by laborious sewing operations.
  Moreover, the simple slipper formed by fixing the upper covering member to the bottom plate member cannot replace only the bottom plate member according to the purpose of use.
[0003]
  In addition, since strong pressure in the vertical direction by walking is applied to the joint between the upper cover part and the bottom plate part of the slipper, particularly the joint between the rear end side and the bottom plate part of both side edges of the upper cover part. When the adhesive strength of the joint portion is weak, there is a risk of peeling.
[0004]
  In order to prevent such separation between the upper covering portion and the bottom plate portion, when this joining step is performed by a laborious sewing operation, there is a problem that productivity is low and manufacturing cost is increased.
[0005]
[Problems to be solved by the invention]
  As described above, it is said that the major factor that determines the quality of the adhesive-type simple slipper of the type in which the upper covering member is bonded to the bottom plate member is the quality of the adhesion of the upper covering member to the bottom plate member. The slipper main body composed of a covering sheet member in a flat packaging form including an instep covering part and the plate-like bottom reinforcing member are separated, and the plate-shaped bottom part in the slipper main body composed of a covering sheet member in a flat packaging form By packaging the reinforcing member in a non-adhesive state, a simple slipper configured without adhering the upper covering member and the bottom plate member, which are difficult to bond with different materials, is provided. By forming a simple slipper without adhering the upper cover member and the bottom plate member, which are difficult to bond firmly, it is easy to select the material and thickness of the bottom plate member, for example, an uneven portion was formed on the surface The present invention provides a simple slipper that can employ a bottom plate member.
  Moreover, the simple slipper which can replace | exchange only a baseplate member with respect to a slipper main body is provided. Also provided is a simple slipper that can be used as an insole for slippers in which only a slipper main body made of a covering sheet member that does not wrap a bottom plate member is inserted into a normal vinyl or felt slipper. It is.
  Moreover, the objective of this invention is providing the simple slipper which strengthened especially the part which functions as a both-sides edge part of the instep covering part of a slipper so that it might not peel also with respect to the pressure concentration of the up-down direction by walking. . In particular, the pressure in the up and down direction due to walking is concentrated, and the opening side edge of the upper covering portion where the force to separate the portion covering the upper and the bottom pressed by the foot from each other acts strongly and the bottom pressed by the foot It is strengthened so as not to peel off the boundary.
  In addition, the object of the present invention is to provide an opening side edge portion of the upper covering portion on which both sides of the upper covering portion, in particular walking, a portion that covers the upper portion and a bottom side pressed by the foot strongly acts on each other. An object of the present invention is to provide a manufacturing method suitable for mechanically and continuously manufacturing a novel simple slipper in which the boundary with the bottom side pressed by a foot is not easily peeled off.
[0006]
[Means for Solving the Problems]
  In order to achieve the above object, the present invention comprises a covering sheet member (3) formed in a flat packaging form having a slipper contour-shaped surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2), A foot that is formed on the surface-side covering sheet portion (1) of the covering sheet member (3) and divides the surface-side covering sheet portion (1) into an instep covering portion (4) and a saddle stepped portion (5). The slipper main body (20) is formed by the opening (6) for insertion, and the surface side covering sheet portion (1) and the bottom surface side covering sheet in the covering sheet member (3) of the slipper main body formed in this way. Provided is a flat simple slipper characterized in that a plate-like bottom reinforcing member (30) formed in a size of approximately the size of a sole is packaged between the portions (2). The simple slipper provided here has a slipper main body (20) composed of a cover sheet member (3) in a flat packaging form including the upper covering portion (4) and a plate-like bottom reinforcing member (30) as separate bodies. By wrapping the plate-like bottom reinforcing member (30) in the slipper main body (20) composed of the covering sheet member (3) in a flat packaging form, the upper covering portion (4) difficult to adhere to the plate-like A simple slipper configured without adhering the bottom reinforcing member (30) is provided.
[0007]
  The present invention also provides a covering sheet member (3) formed in a flat packaging form having a slipper contour-shaped surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2) by a sheet member, and the covering It is formed on the surface-side covering sheet portion (1) of the sheet member (3), and the surface-side covering sheet portion (1) is formed into an instep covering portion (4) and a saddle tread portion (5).Back and forth in the longitudinal directionThe slipper main body (20) is formed by the foot opening (6) to be divided,Formed in flat packaging formThe outer peripheral edge of the covering sheet member (3)SaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The sheet member is folded into a flat cylindrical covering form so that the two bent portions are brought into the surface side covering sheet portion (1) side and the bottom surface side covering sheet portion (2) side.The bent contour shape portion (10, 10) formed by bending and the bent contour shape portion are excluded.Of the covering sheet member (3)The outer peripheral edge portion is formed with an adhesive contour shape portion (11) formed by adhering along the slipper contour shape, and the foot opening (6)Width directionBoth end portions (6a, 6a) of the bent contour portion (10, 10) functioning as both side edges (4a, 4a) of the upper covering portion (4)Rear endIt was formed so as to be located nearbyWhile providing a flat simple slipperBetween the surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) in the covering sheet member (3), an outer shape smaller than that of the adhesive contour shape portion (11) is formed to be approximately the size of the sole. A flat-type simple slipper is provided in which the plate-shaped bottom reinforcing member (30) is packaged in a non-adhesive state in which the outer peripheral edge of the bottom reinforcing member is released from the adhesive contour portion (11). To do. The bonding means for bonding the outer peripheral edge portion excluding the bent contour shape portions (10, 10) so as to follow the slipper contour shape to form the adhesion contour shape portion (11) can also be a bonding method using an adhesive. However, it is preferable to use a thermoplastic material as the sheet member, and to use an adhesive method such as heat sealing or ultrasonic bonding. The simple slipper provided here has a slipper main body (20) composed of a covering sheet member (3) in a flat packaging form including an upper covering portion (4) and a plate-like bottom reinforcing member (20) as separate bodies. The plate-shaped bottom reinforcing member (30) is packaged in a non-adhering state in a slipper main body (20) composed of a covering sheet member (3) in a flat packaging form,Flat packaging form Formed inThe outer peripheral edge of the covering sheet member (3)SaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The sheet member is folded into a flat cylindrical covering form so that the two bent portions are brought into the surface side covering sheet portion (1) side and the bottom surface side covering sheet portion (2) side.The bent contour shape portion (10, 10) formed by bending and the bent contour shape portion are excluded.Of the covering sheet member (3)The outer peripheral edge portion is formed with an adhesive contour shape portion (11) formed by adhering along the slipper contour shape, and the foot opening (6)Width directionBoth end portions (6a, 6a) of the bent contour portion (10, 10) functioning as both side edges (4a, 4a) of the upper covering portion (4)Rear endBy strengthening so as not to peel off the boundary between the rear end side and the bottom side of both sides of the upper covering part where the vertical pressure concentration due to walking is remarkable, by forming it so as to be located nearby It is.
[0008]
  The present invention also provides a covering sheet member (3) formed in a flat packaging form having a slipper contour-shaped surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2) by a sheet member, and the covering It is formed in the said surface side covering sheet part (1) of a sheet | seat member (3), and for foot placement which divides this surface side covering sheet part (1) into an instep covering part (4) and a heel tread part (5) The slipper main body (20) is formed by the opening (6), and the outer peripheral edge of the covering sheet member (3) is flattened with the toe side front edge (4b) and the heel side rear edge ( 5a) A bonding contour shape formed by bending the sheet functioning as a sheet (10, 10) and an outer peripheral edge portion excluding the bending contour shape portion so as to follow the slipper contour shape. Part (11) and the foot opening Both end portions (6a, 6a) of the portion (6) are formed so as to be positioned near the adhesion contour shape portion (11), and the surface side covering sheet portion (3) in the covering sheet member (3) 1) and a bottom-side covering sheet portion (2), a plate-like bottom reinforcing member (30) having an outer shape smaller than that of the adhesive contour shape portion (11) and having a size substantially equal to the sole is reinforced. Provided is a flat simple slipper characterized in that an outer peripheral edge portion of a member is packaged in a non-adhesive state separated from the adhesion contour shape portion (11). The bonding means for bonding the outer peripheral edge portion excluding the bent contour shape portions (10, 10) so as to follow the slipper contour shape to form the adhesion contour shape portion (11) can also be a bonding method using an adhesive. However, it is preferable to use a thermoplastic material as the sheet member, and to use an adhesive method such as heat sealing or ultrasonic bonding. The simple slipper provided here has a slipper main body (20) composed of a cover sheet member (3) in a flat packaging form including the upper covering portion (4) and a plate-like bottom reinforcing member (30) as separate bodies. The plate-shaped bottom reinforcing member (30) is packaged in a non-adhering state in a slipper main body (20) composed of a covering sheet member (3) in a flat packaging form, and further, the covering sheet The outer peripheral edge portion of the member (3) is a bent contour shape portion formed by bending the sheet in a flat state to function as the toe side front edge portion (4b) and the heel side rear edge portion (5a) of the slipper ( 10 and 10), the toe side front edge part (4b) of the slipper to which the pressure of the toe part due to walking is applied is strengthened so as not to peel off. This simple slipper having a folded contour shape portion (10) by folding the sheet at the toe side front edge portion (4b) of the slipper is particularly used when only the slipper main body is inserted into a normal slipper and used as an insole for slippers. It is effective.
[0009]
  The present invention also provides a covering sheet member (3) formed in a flat packaging form having a slipper contour-shaped surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2) by a sheet member, and the covering It is formed in the said surface side covering sheet part (1) of a sheet | seat member (3), and for foot placement which divides this surface side covering sheet part (1) into an instep covering part (4) and a heel tread part (5) A slipper main body (20) is formed by the opening (6), and an outer peripheral edge portion of the covering sheet member (3) is adhered in a flat state so as to follow the slipper contour shape (11 ), And both end portions (6a, 6a) of the foot opening (6) are formed so as to be located near the adhesion contour portion (11), and the covering sheet member ( 3) Inside surface side covering sheet part (1) and bottom side covering A plate-like bottom reinforcing member (30) having an outer shape smaller than that of the adhesive contour shape portion (11) and having a size almost equal to the sole is provided between the bottom portion (2) and the outer peripheral edge portion of the bottom reinforcing member. Is provided in a non-adhesive state released from the adhesion contour portion (11). The bonding means for forming the bonding contour shape portion (11) can be a bonding method using an adhesive, but a thermoplastic material is used as the sheet member, and a bonding method such as heat sealing or ultrasonic bonding is used. Is preferable. The simple slipper provided here has a slipper main body (20) composed of a cover sheet member (3) in a flat packaging form including the upper covering portion (4) and a plate-like bottom reinforcing member (30) as separate bodies. An upper covering member and a plate that are difficult to bond by wrapping a plate-like bottom reinforcing member (30) in a non-adhering state in a slipper main body (20) comprising a covering sheet member (3) in a flat packaging form The present invention provides a simple slipper configured without adhering a bottom reinforcing member in a shape.
[0010]
  In addition, the present invention provides a covering sheet member (3) formed by a sheet member made of a thermoplastic material in a flat packaging form having a slipper contour-shaped surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2). ) And the surface side covering sheet portion (1) of the covering sheet member (3), and the surface side covering sheet portion (1) is formed into an instep covering portion (4) and a saddle stepped portion (5).Back and forth in the longitudinal directionThe slipper main body (20) is formed by the foot opening (6) to be divided,Formed in flat packaging formThe outer peripheral edge of the covering sheet member (3)SaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The sheet member is folded into a flat cylindrical covering form so that the two bent portions are brought into the surface side covering sheet portion (1) side and the bottom surface side covering sheet portion (2) side.The bent contour shape portion (10, 10) formed by bending and the bent contour shape portion are excluded.Of the covering sheet member (3)The outer peripheral edge portion is formed with a heat bonding contour shape portion (11) formed by heat bonding so as to follow the slipper contour shape, and the foot opening opening (6)Width directionBoth end portions (6a, 6a) are formed so as to be located near the rear end portions of the bent contour portions (10, 10) functioning as both side edges (4a, 4a) of the upper covering portion (4). Furthermore, between the surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) in the covering sheet member (3) of the slipper main body (20), the width substantially the same as the sole width. A plate-like bottom reinforcing member (30) made of a thermoplastic material formed in a width is used, and the outer peripheral edge in the widthwise direction of the bottom reinforcing member is at least both side edges (4a, 4a) of the upper covering portion (4). ) From the toe side and the heel side of the bottom reinforcing member (30), and at a position where a predetermined start play width (L3, L3) for raising the both side edges (4a, 4a) is provided. The outer peripheral edge in the longitudinal direction positioned at Providing flat simple slippers, characterized in that the packaged adhesive state pinched thermally bonded between the side cover sheet portion (1) and the bottom side the cover sheet portion (2). The bonding means for bonding the outer peripheral edge portion excluding the bent contour shape portions (10, 10) along the slipper contour shape to form the heat bonding contour shape portion (11) can be an adhesion method by heat sealing. However, a bonding method using ultrasonic bonding is preferable. The simple slippers provided hereFormed in flat packaging formThe outer peripheral edge of the covering sheet member (3)SaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The sheet member is folded into a flat cylindrical covering form so that the two bent portions are brought into the surface side covering sheet portion (1) side and the bottom surface side covering sheet portion (2) side.The bent contour shape portion (10, 10) formed by bending and the bent contour shape portion are excluded.Of the covering sheet member (3)The outer peripheral edge portion is formed with a heat bonding contour shape portion (11) formed by heat bonding so as to follow the slipper contour shape, and the foot opening opening (6)Width directionBoth end portions (6a, 6a) are formed so as to be located near the rear end portions of the bent contour portions (10, 10) functioning as both side edges (4a, 4a) of the upper covering portion (4). By doing so, in particular, it is reinforced so as not to peel off the boundary between the rear end side and the bottom surface of both side edges of the upper covering portion where the pressure concentration in the vertical direction due to walking is significant. The simple slipper provided here is suitable for continuous and high-speed machine manufacture.
[0011]
  The outer peripheral edge of the covering sheet member (3) described above is flattened with the slipperSaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The surface side covering sheet portion (1) side and the bottom surface side covering sheet are formed by the bent portions obtained by bending the sheet member into a flat cylindrical covering form. To the side (2) sideA flat type simple slipper having a bent contour shape portion (10, 10) formed by bending,
  Parallel extension lines of the side edges (4a, 4a) functioning as the side edges (4a, 4a) of the instep covering part (4) of the slipper in a flat state at the center in the sheet longitudinal direction(L1, L1)The surface-side covering sheet portion forming range (41) surrounded by, and the bottom-side covering sheet portion provided with a predetermined width at which both ends are joined to both sides of the surface-side covering sheet portion forming range (41) A long sheet member (40) made of a thermoplastic material formed in a predetermined sheet width having a formation range (42, 42), and the surface-side covering sheet portion formation range of the sheet member (40) ( 41), the surface side covering sheet portion forming range (41) is divided into an instep covering portion (4) and a saddle stepped portion (5) constituting a slipper unit along the sheet longitudinal direction.Back and forth in the longitudinal direction of the seatThe foot opening (6) to be divided is separated from the foot opening (6).Width directionSteps for forming a foot opening for sequentially forming each slipper forming unit so that both end portions (6a, 6a) are located near the side edge position of the surface side covering sheet portion forming range (41) When,
  In the foot opening forming step, the foot opening (6) is formed in the surface side covering sheet portion forming range (41) of the sheet member (40) sequentially formed so as to be approximately the size of the sole. The plate-like bottom reinforcing member (30) corresponds to the formation position of the foot opening (6) in which the bottom reinforcing member divides the upper covering portion (4) and the saddle stepped portion (5). A bottom reinforcing member superimposing step to superimpose on,
  The foot opening (6) is sequentially formed in the foot opening forming step and overlapped at a predetermined position in the surface side covering sheet portion forming range (41) in the bottom reinforcing member overlapping step. The both side edges that function as both side edges (4a, 4a) of the instep covering part (4) of the slipper when the sheet member (40) is flat to wrap the bottom reinforcing member (30) with the sheet member (40) Parallel partsSaidExtension line(L1, L1)A surface-side covering sheet portion (1) in which both side end portions in the longitudinal direction of the sheet member (40) are bent so that the both side end portions are joined to each other to form a foot opening (6) A folding step of forming a bottom surface side covering sheet portion (2) composed of each folded piece;
  In this bending step, the bottom-side covering sheet portion (1) and the bottom-side covering sheet portion (2) are obtained by thermally bonding the joint portions of the bent pieces that are bent in a state where the bottom reinforcing member (30) is packaged. The tubular covering forming step for forming a flat tubular covering, and the footrest formed on the surface-side covering sheet portion (1) before and after the bending step and before or simultaneously with the tubular covering forming step. The both ends (6a, 6a) of the opening (6) for use are located near the rear end of the bent portion that functions as both side edges (4a, 4a) of the upper covering (4). The surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) excluding the bent portions functioning as both side edges (4a, 4a) of the upper covering portion (4) are connected to the bottom reinforcing member (30). Predetermined slipper ring released from the outer peripheral edge To remove the sheet member (40) outside the heat-bonded contour shape portion (11) thermally bonded in the heat-bonded contour shape portion forming step, which is heat-bonded along the shape According to the cutting process to cut | disconnect, it can manufacture continuously and at high speed.
[0012]
  Moreover, when manufacturing the simple slipper which consists only of the slipper main body (20) which is not packaging the said bottom part reinforcement member (30), it can achieve by omitting a bottom part reinforcement member superimposition process from the said process.
[0013]
  Moreover, it replaces with the said bottom part reinforcement member superimposition process made to superimpose the plate-shaped bottom part reinforcement member (30) formed in the magnitude | size of the sole on the sheet | seat member (40), and is almost the same as the sole width. A plate-like long bottom reinforcing sheet member (31) made of a thermoplastic material formed in a horizontal width is used, and the bottom reinforcing sheet member (31) is used as the surface side covering sheet of the sheet member (40). Within the part forming range (41), the side edges of the bottom reinforcing sheet member (31) function as the side edges (4a, 4a) of the instep covering part (4) of the slippers. Overlap along the longitudinal direction of the sheet member (40) by giving predetermined start play widths (L3, L3) for raising the side edges (4a, 4a) from the extension lines (L1, L1). Sheet material for reinforcing the bottom part to be matched A bottom reinforcing sheet that is sandwiched between the front surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) of the sheet member and thermally bonded in a subsequent heat bonding contour shape portion forming step The both ends of the longitudinal direction located on the toe side and the heel side of the member (31) are removed together with the sheet member (40) in the next cutting step in the outer portion of the thermal bonding contour portion (11). It can manufacture by cutting as much as possible. In this manufacturing method, a simple slipper reinforced so as not to peel off the boundary between the rear end and the bottom of both sides of the slipper's upper covering part where the vertical pressure concentration due to walking is remarkable is more continuous and faster. Can be mechanically manufactured.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
  A flat simple slipper and a method for manufacturing the flat simple slipper according to the present invention will be described with reference to the accompanying drawings.
  1 to 13 show a flat simple slipper of the present invention. A configuration common to the flat simple slippers shown in these drawings is a covering sheet member 3 formed in a flat packaging form having a slipper contour-shaped surface side covering sheet portion 1 and a bottom surface side covering sheet portion 2. A foot that is formed on the surface-side covering sheet portion 1 of the covering sheet member 3 and divides the surface-side covering sheet portion 1 into an instep covering portion 4 that covers the toes and the instep and a toe stepped portion 5 that is stepped on with a heel. The slipper main body 20 is formed by the opening 6 for insertion, and the slipper main body 20 thus formed has a substantially foot between the surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 in the covering sheet member 3. That is, the plate-like bottom reinforcing member 30 formed in the size of the back is packaged.
  The simple slipper shown in FIGS. 1 to 10 has a flat packaging form in which a slipper main body 20 and a plate-like bottom reinforcing member 30 formed of a covering sheet member 3 in a flat packaging form including an upper covering part 4 are separated. In the slipper main body 20 made of the covering sheet member 3, the plate-like bottom reinforcing member 30 is packaged in a non-adhering state with the covering sheet member 30, thereby bonding with an adhesive or a bonding method using heat sealing, The upper covering portion 4 and the plate-like bottom reinforcing member 30 that are difficult to be firmly bonded are configured without bonding. In the simple slipper shown in FIGS. 1 to 10, the bottom reinforcing member 30 packaged in the covering sheet member 3 of the slipper main body 20 is manually inserted through the opened foot opening 6. It may be packaged in a mechanical manufacturing process. Further, the simple slipper shown in FIGS. 1 to 10 can be used as a simple slipper only by the slipper main body 20 that does not include the bottom reinforcing member 30 in the covering sheet member 3 constituting the slipper main body 20. Also, it can be used as an insole for slippers by being inserted into an ordinary slipper made of vinyl or the like.
  In addition, the simple slipper shown in FIGS. 1 to 13 shows a curved cut as the foot opening 6, but is not limited to this, and has an opening that can enter the back of the foot. What is formed is sufficient.
[0015]
  The flat type simple slipper shown in FIGS. 1 to 4 is a flat type having a surface side covering sheet portion 1 and a bottom side covering sheet portion 2 having a slipper contour shape by a sheet member made of a heat-weldable material such as a thermoplastic nonwoven fabric. Cover sheet member 3 formed in a packaging form, and formed on the surface side cover sheet portion 1 of the cover sheet member 3, the surface side cover sheet portion 1 is formed into an upper cover portion 4 and a saddle tread portion 5.Back and forth in the longitudinal directionThe slipper main body 20 is formed by the foot opening 6 to be divided,Formed in flat packaging formThe outer peripheral edge of the covering sheet member 3 is flattened with slippers.SaidIt functions as both side edges 4a, 4a of the upper cover 4The single sheet member is folded into a flat cylindrical covering form so that the two bent portions are formed on the front surface side covering sheet portion 1 side and the bottom surface side covering sheet portion 2 side.The bent contour shape portions 10 and 10 formed by bending and the bent contour shape portions 10 and 10 are excluded.Of the covering sheet member 3The outer peripheral edge portion is formed with the heat bonding contour shape portion 11 formed by heat bonding so as to follow the slipper contour shape, and the foot opening opening 6 is formed.Width directionThe both ends 6a, 6a are formed so as to be located near the rear ends of the bent contour portions 10, 10 functioning as both side edges 4a, 4a of the upper covering 4; Plate-like cardboard or the like having a smaller outer shape than the heat-adhesive contour shape portion 11 between the front surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 in the sheet member 3 and having substantially the size of the sole. The bottom reinforcing member 30 is packaged in a non-bonded state in which the outer peripheral edge of the bottom reinforcing member 30 is released from the thermal bonding contour portions 10 and 10. The covering sheet member 3 in a flat packaging form having a slipper contour surface-side covering sheet portion 1 and a bottom surface-side covering sheet portion 2 comprises a substantially rectangular sheet member made of a heat-weldable material such as a thermoplastic non-woven fabric. The both side edges 4a, 4a functioning as the side edges 4a, 4a of the instep covering portion 4 of the slipper in a flat state so that the both side edges are joined to each other. A flat tubular covering is formed by thermally bonding 8 each of the bent pieces that are bent along the extension line L1, and among the bent portions of the flat tubular covering, Folding contour shape portions 10 and 10 in a range to function as both side edge portions 4a and 4a of the covering portion 4 and a heat bonding contour shape that is heat-bonded so as to follow the contour shape of the slipper except for the bending contour shape portion 10. Part 11 and in forming the slipper contour shape, constituted by cutting to remove the outer sheet portion of the heat-bonded profile section 11 that forms the slipper contour. The simple slipper provided here comprises a slipper main body 20 composed of a cover sheet member 3 in a flat package form including the upper cover part 4 and a plate-like bottom reinforcing member 30 as separate bodies, and a cover sheet in a flat package form A plate-like bottom reinforcing member 30 is packaged in a non-adhering state in a slipper main body 20 composed of a member 3, and the outer peripheral edge of the covering sheet member 3 is flattened in the slipper.SaidIt functions as both side edges 4a, 4a of the upper cover 4The single sheet member is folded into a flat cylindrical covering form so that the two bent portions are formed on the front surface side covering sheet portion 1 side and the bottom surface side covering sheet portion 2 side.The bent contour shape portions 10 and 10 formed by bending and the bent contour shape portion are excluded.Of the covering sheet member 3The outer peripheral edge portion is formed with an adhesive contour shape portion 11 formed by adhering along the slipper contour shape, and the foot opening opening 6 is formed.Width directionBy forming the both end portions 6a, 6a to be located near the rear end portions of the bent contour shape portions 10, 10 functioning as both side edge portions 4a, 4a of the upper covering portion 4, particularly by walking This is strengthened so as not to peel off the boundary between the rear end side and the bottom surface of both side edges of the upper covering portion 4 where the pressure concentration in the vertical direction is remarkable. In addition, when forming the said cylindrical covering body, what bonded the bonding part which each bending piece overlap | superposed was shown in figure, but the edge part which each bending piece was faced | matched without overlapping like drawing Can be bonded to each other by thermally bonding the bonded butted ends. In addition, a thermoplastic material is used as the sheet member for forming the covering sheet member 3, but the sheet member made of this thermoplastic material may be, for example, paper, This includes a material made of a rayon nonwoven fabric coated with a thermoplastic material layer such as a thermoplastic resin, and this also applies to the covering sheet member in the embodiment shown in FIGS.
[0016]
  The flat simple slipper shown in FIGS. 5 to 7 is a flat package having a slipper contour-shaped surface side covering sheet portion 1 and bottom surface side covering sheet portion 2 by a sheet member made of a thermoplastic material, for example, a thermoplastic non-woven fabric. The covering sheet member 3 formed in the form and the surface-side covering sheet portion 1 of the covering sheet member 3 are formed, and the surface-side covering sheet portion 1 is divided into an instep covering portion 4 and a saddle tread portion 5. The slipper main body 20 is formed by the foot opening 6 and the outer peripheral edge of the covering sheet member 3 functions as the toe-side front edge 4b and the heel-side rear edge 5a of the slipper in a flat state. A bent contour shape portion 10, 10 formed by bending the outer peripheral edge portion excluding the bent contour shape portion 10, 10, and a thermal bonding contour shape portion 11 formed by heat bonding so as to follow the slipper contour shape; The surface-side covering sheet portion in the covering sheet member 3 is characterized in that both end portions 6a, 6a of the foot opening 6 are formed so as to be located near the thermal bonding contour portion 11. The bottom reinforcing member 30 is a plate-like bottom reinforcing member 30 such as thick cardboard, which has an outer shape smaller than that of the thermal bonding contour shape portion 11 and is approximately the size of the sole. 30 outer peripheral edge portions are packaged in a non-adhered state separated from the thermal bonding contour portion 11. The simple slipper provided here comprises a slipper main body 20 composed of a cover sheet member 3 in a flat package form including the upper cover part 4 and a plate-like bottom reinforcing member 30 as separate bodies, and a cover sheet in a flat package form A plate-like bottom reinforcing member 30 is packaged in a non-adhering state in a slipper main body 20 made of a member 3, and the outer peripheral edge of the covering sheet member 3 is flattened on the tip of the slipper. The toe side front of the slipper to which the pressure of the toe toe part is applied by walking by forming the folded contour parts 10 and 10 formed by bending the sheet functioning as the side front edge part 4b and the heel side rear edge part 5a. The edge 4b is strengthened so as not to peel off. This simple slipper, which is formed by bending the sheet at the toe side front edge portion 4b of the slipper and forming the contoured shape portion 10, is particularly effective when only the slipper main body 20 is inserted into a normal slipper and used as an insole for slippers. is there.
[0017]
  The flat simple slipper shown in FIGS. 8 to 10 is a flat package having a slipper contour-shaped surface side covering sheet portion 1 and bottom surface side covering sheet portion 2 by a sheet member made of a thermoplastic material, for example, a thermoplastic non-woven fabric. The covering sheet member 3 formed in the form and the surface-side covering sheet portion 1 of the covering sheet member 3 are formed, and the surface-side covering sheet portion 1 is divided into an instep covering portion 4 and a saddle tread portion 5. The slipper main body 20 is formed by the foot opening 6, and the outer peripheral edge portion of the covering sheet member 3 is formed by the heat bonding contour shape portion 11 formed by heat bonding so as to follow the slipper contour shape in a flat state. The both ends 6a, 6a of the foot opening 6 are formed so as to be located near the thermal bonding contour portion 11, and the surface side covering sheet portion 1 in the covering sheet member 3 is characterized in that When A plate-like bottom reinforcing member 30 such as thick cardboard having an outer shape smaller than that of the heat-adhesive contour shape portion 11 between the surface-side covering sheet portions 2 and having a size almost equal to the sole is formed on the bottom reinforcing member 30. The outer peripheral edge portion is packaged in a non-adhered state separated from the thermal bonding contour portion 11. The simple slipper provided here comprises a slipper main body 20 composed of a cover sheet member 3 in a flat package form including the upper cover part 4 and a plate-like bottom reinforcing member 30 as separate bodies, and a cover sheet in a flat package form The plate-shaped bottom reinforcing member 30 is packaged in a non-adhesive state in the slipper main body 20 made of the member 3, so that the difficult-to-adhere upper covering portion 4 and the plate-shaped bottom reinforcing member 30 are not bonded. Is.
  In the embodiment shown in FIGS. 8 and 9, the foot opening 6 is formed in the surface-side covering sheet portion 1, and the slipper longitudinal direction is formed on the heel side from the position where the foot opening 6 is formed. The surface side covering sheet portion 1 between the foot opening 6 and the second opening 7 is formed below the bottom reinforcing sheet member 30 as shown in the figure. The bottom reinforcing sheet member 30 is wrapped between the front surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 in the covering sheet member 3 so as to be positioned. When the second opening 7 is formed in addition to the foot opening 6, an operation of manually inserting the bottom reinforcing member 20 into the covering sheet member 3 later is easy.
[0018]
  The flat simple slipper shown in FIG. 11 to FIG. 13 has a slipper contour-shaped surface side covering sheet portion 1 and bottom surface side covering sheet portion 2 by a sheet member made of a thermoplastic material that can be thermally welded, such as a thermoplastic non-woven fabric. A covering sheet member 3 formed in a flat packaging form, and formed on the surface-side covering sheet portion 1 of the covering sheet member 3, the surface-side covering sheet portion 1 is divided into an upper covering portion 4 and a heel tread portion 5. The slipper main body 20 is formed by the foot opening 6 divided into two parts, and the outer peripheral edge of the covering sheet member 3 is flattened in the slipper.SaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The sheet member is folded into a flat cylindrical covering form so that the two bent portions are formed on the front surface side covering sheet portion 1 side and the bottom surface side covering sheet portion 2 side.The bent contour shape portions 10 and 10 formed by bending, and the outer peripheral edge portion excluding the bent contour shape portion are formed by thermal bonding so as to conform to the slipper contour shape, and Both end portions 6a, 6a of the foot opening 6 are formed so as to be positioned near the rear end portions of the bent contour portions 10, 10 functioning as both side edges 4a, 4a of the upper covering portion 4. Furthermore, a thermoplastic non-woven fabric formed in a width L2 substantially the same as the sole width between the front surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 in the covering sheet member 3 of the slipper main body 20 etc. A plate-like bottom reinforcing member 30 made of a heat-sealable thermoplastic material having a slightly thick sheet thickness is used, and at least the outer peripheral edges in the width direction of the bottom reinforcing member are at least both side edges 4a of the upper covering portion 4. , 4a to both side edges 4a, A predetermined start-up play width L3, L3 for raising a is disposed at a position where the aforesaid start-up play widths L3, L3 are provided, and the outer peripheral edge portions in the longitudinal direction located on the toe side and the heel side of the bottom reinforcing member 30 are The shape portion 11 is packaged in an adhesive state sandwiched between the surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 and thermally bonded. The bonding means for bonding the outer peripheral edge portion excluding the bent contour shape portions 10 and 10 so as to follow the slipper contour shape to form the thermal bonding contour shape portion 11 is a heat sealing adhesion, preferably an ultrasonic bonding method. Is done by.
  The covering sheet member 3 in a flat packaging form having a slipper contour-shaped front surface side covering sheet portion 1 and bottom surface side covering sheet portion 2 is formed by heat welding such as a thermoplastic non-woven fabric as in the embodiment of FIGS. Both sides edges 4a, 4a of a slipper upper cover 4 in a flat state in which a substantially rectangular sheet member made of a possible material is flattened so that opposite side edges of the sheet member are joined to each other Are bent along the extended line L1 of the side edges 4a, 4a, and the bonded portions of the bent pieces are thermally bonded 8 to form a flat cylindrical covering. Of the two bent portions of the cylindrical covering, the bent contour shape portions 10 and 10 in a range to function as both side edges 4a and 4a of the upper cover portion 4 and the contour shape of the slipper except for the bent contour shape portion 10 are used. In the thermal bonding contour portion 11 that is thermally bonded to form a slipper profile as configured by cutting to remove the outer sheet portion of the heat-bonded profile section 11 that forms the slipper contour.
  The simple slipper provided here is configured so that the outer peripheral edge of the covering sheet member 3 is in a flat state.SaidIt functions as both side edges 4a, 4a of the upper cover 4The single sheet member is folded into a flat cylindrical covering form so that the two bent portions are formed on the front surface side covering sheet portion 1 side and the bottom surface side covering sheet portion 2 side.The bent contour shape portions 10 and 10 formed by bending and the bent contour shape portion are excluded.Of the covering sheet member 3The outer peripheral edge portion is formed with the heat bonding contour shape portion 11 formed by heat bonding so as to follow the slipper contour shape, and the foot opening opening 6 is formed.Width directionBy forming the both end portions 6a, 6a to be located near the rear end portions of the bent contour shape portions 10, 10 functioning as both side edge portions 4a, 4a of the upper covering portion 4, particularly by walking It is strengthened so as not to peel off the boundary between the rear end side and the bottom surface of both side edges of the upper covering portion where the pressure concentration in the vertical direction is remarkable. The simple slipper provided here is suitable for continuous and high-speed machine manufacture.
[0019]
  Next, a method of manufacturing the simple slipper shown in FIGS. 1 to 4 will be described with reference to FIGS. 14 (a), 14 (b), and 14 (c).
  Surface side covering sheet surrounded by parallel extension lines L1 and L1 of both side edge portions 4a and 4a which function as both side edge portions 4a and 4a of the instep covering portion 4 of the slipper in a flat state at the center in the sheet longitudinal direction Part forming range 41, bottom side covering sheet part forming ranges 42, 42 provided with predetermined widths at which both ends are joined to both sides of the surface side covering sheet part forming range 41,Defined byIt is a long sheet member 40 made of a thermoplastic nonwoven fabric or the like formed in a predetermined sheet width, and the surface side covering sheet portion forming range 41 is added to the surface side covering sheet portion forming range 41 of the sheet member 40. On the upper covering portion 4 and the saddle tread portion 5 constituting the slipper unit along the longitudinal direction of the seatIn the longitudinal direction of the sheetThe foot opening 6 that is divided into the front and the rearWidth direction11 (a) schematically shows a step for forming both ends 6a, 6a sequentially at predetermined intervals for each slipper forming unit so as to be located near the side edge position of the surface side covering sheet portion forming range 41. An opening forming step,
  A thick cardboard or the like formed in the size of the sole of the foot on the surface side covering sheet portion forming range 41 of the sheet member 40 in which the foot opening 6 is sequentially formed in the foot opening forming step. Superimposing the bottom reinforcing member 30 to overlap the plate-like bottom reinforcing member 30 so that the bottom reinforcing member 30 corresponds to the formation position of the foot opening 6 where the bottom reinforcing member 30 is divided into the upper covering portion 4 and the saddle stepped portion 5 Process,
  The bottom reinforcing member 30 in which the foot opening 6 is sequentially formed in the foot opening forming step and is overlapped in the surface side covering sheet portion forming range 41 in the bottom reinforcing member overlapping step is the sheet. The sheet member 40 is packaged along the parallel extension line L1 of the side edges 4a, 4a which function as the side edges 4a, 4a of the slipper upper cover 4 in a flat state. The front side covering sheet portion 1 in which the both side ends in the longitudinal direction are bent so that the both end portions are joined to each other to form a foot opening and the bottom side covering sheet portion 2 composed of each bent piece are formed. Bending process,
  A flat cylindrical covering having a front surface side covering sheet portion 1 and a bottom surface side covering sheet 2 by thermally bonding 8 the joint portions of the respective bent pieces that are bent in a state where the bottom reinforcing member 30 is packaged in this bending step. The cylindrical covering forming step shown in FIG. 11 (b) for forming the body, and the front side covering sheet portion 1 is formed before and after the bending covering step before or simultaneously with the cylindrical covering forming step. Both sides of the upper covering portion 4 so that both end portions 6a, 6a of the foot opening 6 are located near the rear end portions of the bent portions functioning as both side edges 4a, 4a of the upper covering portion 4. The surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 excluding the bent portions functioning as the edge portions 4a, 4a are conformed to a predetermined slipper contour shape which is released from the outer peripheral edge portion of the bottom reinforcing member 30. Heat bonding FIG. 11 (c) schematically shows a thermal bonding contour shape portion forming step and cutting to remove the sheet member 40 outside the thermal bonding contour shape portion 11 thermally bonded in the thermal bonding contour shape portion forming step. By the cutting process, a flat simple slipper can be manufactured continuously and at high speed.
[0020]
  In addition, when manufacturing the simple slipper which consists only of the slipper main body 20 which does not wrap the plate-shaped bottom part reinforcement member 30, it can achieve by omitting the bottom part reinforcement member superimposition process from the said process.
[0021]
  15A, 15B, and 15C instead of the bottom reinforcing member overlapping step in which the plate-like bottom reinforcing member 30 formed substantially in the size of the sole is overlapped with the sheet member 40. ) Using a plate-like long bottom reinforcing sheet member 31 made of a thermoplastic material formed in a lateral width L2 substantially the same as the sole width, as shown in FIG. 31 on the surface side covering sheet portion forming range 41 of the sheet member 40, and both side edges of the bottom reinforcing sheet member 31 function as both side edges 4a, 4a of the instep covering portion 4 of the slippers. A predetermined start-up play width L3, L3 for raising the side edge portions 4a, 4a from the parallel extension lines L1, L1 of the portions is provided so as to be overlapped along the longitudinal direction of the sheet member 40. Sheet member for bottom reinforcement A bottom reinforcing sheet member 31 that is provided with a joining process and is thermally bonded by being sandwiched between the front surface side covering sheet portion 1 and the bottom surface side covering sheet portion 2 of the sheet member 40 in a subsequent heat bonding contour shape portion forming step. Are manufactured by cutting both ends in the longitudinal direction located on the toe side and the heel side of the sheet together with the sheet member 40 so as to remove the portion outside the thermal bonding contour portion 11 in the next cutting process. be able to. The bonding means in the thermal bonding contour portion forming step is preferably a bonding method using ultrasonic bonding. The description of other manufacturing steps in FIG. 15 is the same as FIG. In this manufacturing method, a simple slipper reinforced so as not to peel off the boundary between the rear end and the bottom of both sides of the slipper's upper covering part where the vertical pressure concentration due to walking is remarkable is more continuous and faster. Can be mechanically manufactured.
[0022]
【The invention's effect】
  The present invention(Claim 2)The flat type simple slipper according to the present invention is a slipper main body comprising a slipper main body composed of a flat packaging form covering sheet member including the upper covering part and a plate-like bottom reinforcing member, and comprising a flat covering form covering sheet member By wrapping the plate-like bottom reinforcing member in a non-adhesive state, it is constructed without adhering the upper cover member and the bottom plate member, which are difficult to bond with different materials, making it difficult to firmly bond It is easy to select the material and thickness of the plate-shaped bottom reinforcing member that functions as the bottom plate member by forming the simple slipper without bonding the plate-shaped bottom reinforcing member that functions as the upper covering member and the bottom plate member. For example, it is possible to employ a bottom plate member having an uneven portion formed on the surface.
  In addition, the present invention(Claim 2)Such a flat simple slipper can replace only a plate-like bottom reinforcing member that functions as a bottom plate member with respect to the slipper main body.
  In addition, the present invention(Claim 1)Such a flat simple slipper is a slipper that is used by inserting only a slipper main body made of a covering sheet member that does not wrap a plate-like bottom reinforcing member that functions as a bottom plate member into a normal vinyl or felt slipper. It can also be used as an insole.
[0023]
  Moreover, The present invention(Claims 1 to 3)Such flat simple slippersFormed in flat packaging formThe outer peripheral edge of the covering sheet member (3)SaidIt functions as both side edges (4a, 4a) of the upper covering part (4)The sheet member is folded into a flat cylindrical covering form so that the two bent portions are brought into the surface side covering sheet portion (1) side and the bottom surface side covering sheet portion (2) side.The bent contour shape portion (10, 10) formed by bending and the bent contour shape portion are excluded.Of the covering sheet member (3)The outer peripheral edge portion is formed with an adhesive contour shape portion (11) formed by adhering along the slipper contour shape, and the foot opening (6)Width directionBoth end portions (6a, 6a) of the bent contour portion (10, 10) functioning as both side edges (4a, 4a) of the upper covering portion (4)Rear endThe opening side edge of the upper covering part is formed so as to be located nearby, and the pressure in the vertical direction due to walking is concentrated, and the force that separates the part covering the upper and the bottom side pressed by the foot is strongly applied to each other By constituting the sheet member without a boundary between the bottom and the bottom pressed by the foot, the parts that function as both side edges of the instep covering part of the slipper are not peeled off against pressure concentration in the vertical direction by walking It is especially strengthened. Especially on both side edges of the instep covering, where the pressure concentration in the vertical direction due to walking is remarkableRear end sideAnd strengthened so as not to peel off the boundary with the bottom side pressed by the foot.
[0024]
  In addition, according to the method of manufacturing a flat type simple slipper according to the present invention, the upper is strongly acted on by pulling the both sides of the upper covering part, particularly the part covering the upper and the bottom side pressed by the foot, by walking. A novel simple slipper in which the boundary between the opening side edge portion of the covering portion and the bottom side pressed by the foot is hardly peeled can be manufactured continuously and at high speed.
[Brief description of the drawings]
FIG. 1 is a plan view showing a flat simple slipper of the present invention.
FIG. 2 is a bottom view of the flat simple slipper of FIG.
FIG. 3 is a longitudinal sectional view taken along the line AA in FIG. 1;
4 is a longitudinal sectional view taken along the line BB in FIG. 1. FIG.
FIG. 5 is a plan view showing another embodiment of the flat simple slipper of the present invention.
6 is a bottom view of the flat simple slipper of FIG. 5. FIG.
7 is a longitudinal sectional view taken along the line CC of FIG.
FIG. 8 is a plan view showing another embodiment of the flat simple slipper of the present invention.
9 is a longitudinal sectional view taken along the line DD of FIG.
10 is a longitudinal sectional view taken along the line EE in FIG.
FIG. 11 is a plan view showing another embodiment of the flat simple slipper of the present invention.
12 is a bottom view of the flat simple slipper of FIG. 11. FIG.
13 is a longitudinal sectional view taken along the line FF in FIG.
FIG. 14 to FIG.FIG.It is a figure which shows the manufacturing process of the flat type simple slipper shown in FIG.
15 is a view showing a manufacturing process of the flat simple slipper shown in FIGS. 11 to 13; FIG.
[Explanation of symbols]
  1 Surface side cover sheet
  2 Bottom side cover sheet
  3 Cover sheet material
  4 Upper cover
  4a, 4a Both side edges of the instep covering
  5 踵 Tread
  6 Foot opening
  6a, 6a Both ends of foot opening
  10 Folding contour shape part
  11 Thermal bonding contour part
  20 Mainly slippers
  30 Bottom reinforcement member
  31 Bottom reinforcing sheet member
  40 Sheet material
  41 Surface side covering sheet part formation range
  42 Bottom side covering sheet part formation range

Claims (6)

シート部材によってスリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに長手方向において前後に区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してなり、扁平な包装形態に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように接着して形成した接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成したことを特徴とする扁平型簡易スリッパ。A covering sheet member (3) formed in a flat packaging form having a slipper contour-shaped surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2) by the sheet member, and the covering sheet member (3) A foot opening formed in the surface-side covering sheet portion (1) and dividing the surface-side covering sheet portion (1) into an instep covering portion (4) and a heel tread portion (5) in the longitudinal direction. part by (6) will form a slipper principal (20), slipper of the upper cover portion outer peripheral edge portion, in a flat state of the covering sheet member formed into a flat packaging (3) (4) The surface side covering sheet portion (1) side and the bottom surface side covering sheet portion (2) functioning as both side edge portions (4a, 4a) by the both bent portions obtained by bending the sheet member into a flat cylindrical covering form. folding formed by bending the side De contour section (10, 10), said folded adhesive contour portion formed by bonding along the slipper outline shape outer peripheral edge portion of said cover sheet member except for the contour section (3) and (11) The bent contour shape portion that is formed and functions as both side edge portions (4a, 4a) of the upper covering portion (4) using both end portions (6a, 6a) in the lateral width direction of the foot opening (6) (10, 10) A flat simple slipper formed so as to be positioned near the rear end portion . 前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間に前記接着輪郭形状部（１１）より小さな外形をもちほぼ足裏の大きさに形成された板状の底部補強部材（３０）を該底部補強部材の外周縁部を前記接着輪郭形状部（１１）から遊離させた非接着状態に包装したことを特徴とする請求項１に記載の扁平型簡易スリッパ。Between the surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) in the covering sheet member (3), an outer shape smaller than that of the adhesive contour shape portion (11) is formed to be approximately the size of the sole. according to claim 1, characterized in that the packaged plate-like bottom reinforcing member (30) to the non-adhesive state to release the outer circumferential edge portion of the bottom portion reinforcing member and the adhesive contour portion from (11) Flat type simple slippers. 熱可塑性素材からなるシート部材によってスリッパ輪郭形状の表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な包装形態に形成された被覆シート部材（３）と、この被覆シート部材（３）の前記表面側被覆シート部（１）に形成され、該表面側被覆シート部（１）を甲被覆部（４）と踵被踏部（５）とに長手方向において前後に区分けする足入れ用開口部（６）によってスリッパ主体（２０）を形成してなり、扁平な包装形態に形成された前記被覆シート部材（３）の外周縁部を、扁平状態でスリッパの前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される、前記シート部材を扁平な筒状被覆形態に折り曲げた該両折り曲げ部によって前記表面側被覆シート部（１）側と底面側被覆シート部（２）側とに折り曲げて形成された折り曲げ輪郭形状部（１０，１０）と、該折り曲げ輪郭形状部を除く該被覆シート部材（３）の外周縁部をスリッパ輪郭形状に沿うように熱接着して形成した熱接着輪郭形状部（１１）とで形成し、前記足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される前記折り曲げ輪郭形状部（１０，１０）の後端部の近くに位置するように形成してなり、
更に、前記スリッパ主体（２０）の前記被覆シート部材（３）内の表面側被覆シート部（１）と底面側被覆シート部（２）の間に、足裏巾とほぼ同じ横巾に形成された熱可塑性素材からなる板状の底部補強部材（３０）を、該底部補強部材の横巾方向の外周縁部を少なくとも前記甲被覆部（４）の両側縁部（４ａ，４ａ）から該両側縁部（４ａ，４ａ）を立ち上げるための所定の立ち上げ遊び巾（Ｌ３，Ｌ３）を与えられる位置に配設すると共に、この底部補強部材（３０）の爪先側と踵側に位置する長手方向の外周縁部を前記熱接着輪郭形状部（１１）で前記表面側被覆シート部（１）と底面側被覆シート部（２）の間に挟まれて熱接着された接着状態に包装したことを特徴とする扁平型簡易スリッパ。Cover sheet member (3) formed into a flat packaging form having a slipper contour-shaped surface side cover sheet portion (1) and bottom surface side cover sheet portion (2) by a sheet member made of a thermoplastic material, and the cover sheet Formed on the surface side covering sheet portion (1) of the member (3), the surface side covering sheet portion (1) is divided into a front covering portion (4) and a saddle tread portion (5) in the longitudinal direction. to the foot insertion opening by (6) will form a slipper principal (20), the outer peripheral edge portion, slippers of the upper cover in a flat state of the formed flat packaging cover sheet member (3) The surface side covering sheet portion (1) side and the bottom surface side covering by the both bent portions that function as both side edge portions (4a, 4a) of the portion (4) and the sheet member is bent into a flat cylindrical covering form. the seat portion (2) folded to the side song A bent contour portion is formed (10, 10) Te, the folded heat-bonding contours the outer peripheral edge portion formed by thermal bonding along the slipper contour of the covering sheet members except the contour portion (3) It is formed with the shape part (11), and both end parts (6a, 6a) in the lateral width direction of the opening part (6) for foot insertion function as both side edges (4a, 4a) of the upper covering part (4) Formed so as to be located near the rear end of the bent contour portion (10, 10),
Furthermore, a width approximately the same as the sole width is formed between the surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) in the covering sheet member (3) of the slipper main body (20). A plate-like bottom reinforcing member (30) made of a thermoplastic material, and the outer peripheral edge of the bottom reinforcing member in the widthwise direction from at least both side edges (4a, 4a) of the upper covering portion (4) Longitudinal positions located on the toe side and the heel side of the bottom reinforcing member (30) are arranged at a position where predetermined play allowances (L3, L3) for raising the edges (4a, 4a) are provided. The outer peripheral edge in the direction is packaged in an adhesive state in which it is sandwiched between the surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) by the thermal bonding contour portion (11). Flat type simple slippers characterized by シート長手方向の中央部に扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部（４ａ，４ａ）の平行な延長線（Ｌ１，Ｌ１）で囲まれた表面側被覆シート部形成範囲（４１）と、この表面側被覆シート部形成範囲（４１）の両側部に各端部が互いに接合される所定巾を与えられた底面側被覆シート部形成範囲（４２，４２）とをもつ所定のシート巾に形成された熱可塑性素材からなる長尺のシート部材（４０）であり、該シート部材（４０）の前記表面側被覆シート部形成範囲（４１）に、前記表面側被覆シート部形成範囲（４１）をシート長手方向に沿ってスリッパ単位を構成する甲被覆部（４）と踵被踏部（５）とにシート長手方向において前後に区分けする足入れ用開口部（６）を該足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記表面側被覆シート部形成範囲（４１）の側縁位置の近くに位置するようにスリッパ形成単位ごと所定の間隔をおいて順次形成する足入れ用開口部形成工程と、
この足入れ用開口部形成工程で足入れ用開口部（６）を順次形成されたシート部材（４０）を扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部（４ａ，４ａ）の平行な前記延長線（Ｌ１，Ｌ１）に沿ってシート部材（４０）の長手方向の両側端部を各両側端部が互いに接合されるようにそれぞれ折り曲げて足入れ用開口部（６）を形成した表面側被覆シート部（１）と各折り曲げ片から成る底面側被覆シート部（２）とを形成する折り曲げ工程と、
この折り曲げ工程で折り曲げられた各折り曲げ片の接合部を熱接着することによって表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な筒状被覆体を形成する筒状被覆体形成工程と、前記折り曲げ工程の後で前記筒状被覆体形成工程の前後あるいは同時に表面側被覆シート部（１）に形成されている前記足入れ用開口部（６）の両端部（６ａ，６ａ）が前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部の後端部の近くに位置するようにして前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部を除く表面側被覆シート部（１）と底面側被覆シート部（２）とを所定のスリッパ輪郭形状に沿うように熱接着する熱接着輪郭形状部形成工程と、この熱接着輪郭形状部形成工程で熱接着された熱接着輪郭形状部（１１）の外側にあるシート部材（４０）を取り除くべく切断するカット工程とからなる偏平型簡易スリッパの製造方法。Parallel extension lines (L1, L1) of the side edge portions (4a, 4a) functioning as side edge portions (4a, 4a) of the instep covering portion (4) of the slipper in a flat state at the center in the longitudinal direction of the seat The surface-side covering sheet portion forming range (41) surrounded by, and the bottom-side covering sheet portion provided with a predetermined width at which both ends are joined to both sides of the surface-side covering sheet portion forming range (41) A long sheet member (40) made of a thermoplastic material formed in a predetermined sheet width having a formation range (42, 42), and the surface-side covering sheet portion formation range of the sheet member (40) ( 41), the surface side covering sheet portion forming range (41) is divided into a front covering portion (4) and a saddle tread portion (5) constituting a slipper unit in the longitudinal direction of the sheet in the longitudinal direction of the sheet. The foot opening (6) for the foot insertion Yokohaba opposite end portions of the mouth portion (6) (6a, 6a) and at a slipper forming units each predetermined interval so as to be positioned near a side edge position of the front surface side covering sheet portion forming area (41) A step opening forming step for sequentially forming;
The sheet member (40) in which the foot opening (6) is sequentially formed in the foot opening forming step functions in a flat state as both side edges (4a, 4a) of the instep covering portion (4) of the slipper. the both side edges being (4a, 4a) parallel to the extension line (L1, L1), respectively, as the two side portions of the both side end portions in the longitudinal direction of the sheet member (40) are joined together along the A bending step of forming a front surface side covering sheet portion (1) formed by bending to form a foot opening (6) and a bottom surface side covering sheet portion (2) comprising each bent piece;
A tubular covering that forms a flat tubular covering having a front surface side covering sheet portion (1) and a bottom surface side covering sheet portion (2) by thermally bonding the joint portions of the respective bent pieces bent in the bending step. Both ends of the foot opening (6) formed in the surface side covering sheet portion (1) before and after or simultaneously with the tubular covering forming step after the body forming step and the bending step (6a, 6a) is located near the rear end of the bent portion that functions as both side edges (4a, 4a) of the upper covering part (4), and both side edges (4a) of the upper covering part (4) , 4a), and a step of forming a heat-bonding contour shape portion that thermally bonds the surface-side covering sheet portion (1) and the bottom-surface-side covering sheet portion (2) excluding the bent portion so as to follow a predetermined slipper contour shape; In this thermal bonding contour shape part formation process, heat Flat type simple slippers manufacturing method comprising the cutting step of cutting to remove the sheet member (40) outside the wear thermal bonded contour section (11). シート長手方向の中央部に扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部（４ａ，４ａ）の平行な延長線（Ｌ１，Ｌ１）で囲まれた表面側被覆シート部形成範囲（４１）と、この表面側被覆シート部形成範囲（４１）の両側部に各端部が互いに接合される所定巾を与えられた底面側被覆シート部形成範囲（４２，４２）とをもつ所定のシート巾に形成された熱可塑性素材からなる長尺のシート部材（４０）であり、該シート部材（４０）の前記表面側被覆シート部形成範囲（４１）に、前記表面側被覆シート部形成範囲（４１）をシート長手方向に沿ってスリッパ単位を構成する甲被覆部（４）と踵被踏部（５）とにシート長手方向において前後に区分けする足入れ用開口部（６）を該足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記表面側被覆シート部形成範囲（４１）の側縁位置の近くに位置するようにスリッパ形成単位ごと所定の間隔をおいて順次形成する足入れ用開口部形成工程と、
この足入れ用開口部形成工程で足入れ用開口部（６）を順次形成されたシート部材（４０）の前記表面側被覆シート部形成範囲（４１）内にほぼ足裏の大きさに形成された板状の底部補強部材（３０）を該底部補強部材が甲被覆部（４）と踵被踏部（５）とに区分けする足入れ用開口部（６）の形成位置に対応されるように重ね合わせる底部補強部材重ね合わせ工程と、
前記足入れ用開口部形成工程で足入れ用開口部（６）を順次形成され、且つ前記底部補強部材重ね合わせ工程で前記表面側被覆シート部形成範囲（４１）内の所定位置に重ね合わせた底部補強部材（３０）を前記シート部材（４０）で包装すべくシート部材（４０）を扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部の平行な前記延長線（Ｌ１，Ｌ１）に沿ってシート部材（４０）の長手方向の両側端部を各両側端部が互いに接合されるようにそれぞれ折り曲げて足入れ用開口部（６）を形成した表面側被覆シート部（１）と各折り曲げ片から成る底面側被覆シート部（２）とを形成する折り曲げ工程と、
この折り曲げ工程で前記底部補強部材（３０）を包装した状態に折り曲げられた各折り曲げ片の接合部を熱接着することによって表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な筒状被覆体を形成する筒状被覆体形成工程と、前記折り曲げ工程の後で前記筒状被覆体形成工程の前後あるいは同時に表面側被覆シート部（１）に形成されている前記足入れ用開口部（６）の両端部（６ａ，６ａ）が前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部の後端部の近くに位置するようにして前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部を除く表面側被覆シート部（１）と底面側被覆シート部（２）とを前記底部補強部材（３０）の外周縁部から遊離させた所定のスリッパ輪郭形状に沿うように熱接着する熱接着輪郭形状部形成工程と、この熱接着輪郭形状部形成工程で熱接着された熱接着輪郭形状部（１１）の外側にあるシート部材（４０）を取り除くべく切断するカット工程とからなる偏平型簡易スリッパの製造方法。Parallel extension lines (L1, L1) of the side edge portions (4a, 4a) functioning as side edge portions (4a, 4a) of the instep covering portion (4) of the slipper in a flat state at the center in the longitudinal direction of the seat The surface-side covering sheet portion forming range (41) surrounded by, and the bottom-side covering sheet portion provided with a predetermined width at which both ends are joined to both sides of the surface-side covering sheet portion forming range (41) A long sheet member (40) made of a thermoplastic material formed in a predetermined sheet width having a formation range (42, 42), and the surface-side covering sheet portion formation range of the sheet member (40) ( 41), the surface side covering sheet portion forming range (41) is divided into a front covering portion (4) and a saddle tread portion (5) constituting a slipper unit in the longitudinal direction of the sheet in the longitudinal direction of the sheet. The foot opening (6) for the foot insertion Yokohaba opposite end portions of the mouth portion (6) (6a, 6a) and at a slipper forming units each predetermined interval so as to be positioned near a side edge position of the front surface side covering sheet portion forming area (41) A step opening forming step for sequentially forming;
In the foot opening forming step, the foot opening (6) is formed in the surface side covering sheet portion forming range (41) of the sheet member (40) sequentially formed so as to be approximately the size of the sole. The plate-like bottom reinforcing member (30) corresponds to the formation position of the foot opening (6) in which the bottom reinforcing member divides the upper covering portion (4) and the saddle stepped portion (5). A bottom reinforcing member superimposing step to superimpose on,
The foot opening (6) is sequentially formed in the foot opening forming step and overlapped at a predetermined position in the surface side covering sheet portion forming range (41) in the bottom reinforcing member overlapping step. The both side edges that function as both side edges (4a, 4a) of the instep covering part (4) of the slipper when the sheet member (40) is flat to wrap the bottom reinforcing member (30) with the sheet member (40) longitudinal both side edge portions are bent, respectively, as the side edge portions are joined together foot space openings of the sheet member (40) along parallel the extension (L1, L1) of the section (6) A folding step of forming a surface side covering sheet portion (1) formed with a bottom surface side covering sheet portion (2) comprising each bent piece;
In this bending step, the bottom-side covering sheet portion (1) and the bottom-side covering sheet portion (2) are obtained by thermally bonding the joint portions of the bent pieces that are bent in a state where the bottom reinforcing member (30) is packaged. The tubular covering forming step for forming a flat tubular covering, and the footrest formed on the surface-side covering sheet portion (1) before and after the bending step and before or simultaneously with the tubular covering forming step. The both ends (6a, 6a) of the opening (6) for use are located near the rear end of the bent portion that functions as both side edges (4a, 4a) of the upper covering (4). The surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) excluding the bent portions functioning as both side edges (4a, 4a) of the upper covering portion (4) are connected to the bottom reinforcing member (30). Predetermined slipper ring released from the outer peripheral edge To remove the sheet member (40) outside the heat-bonded contour shape portion (11) thermally bonded in the heat-bonded contour shape portion forming step, which is heat-bonded along the shape A method for producing a flat simple slipper comprising a cutting step for cutting. シート長手方向の中央部に扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部（４ａ，４ａ）の平行な延長線（Ｌ１，Ｌ１）で囲まれた表面側被覆シート部形成範囲（４１）と、この表面側被覆シート部形成範囲（４１）の両側部に各端部が互いに接合される所定巾を与えられた底面側被覆シート部形成範囲（４２，４２）とをもつ所定のシート巾に形成された熱可塑性素材からなる長尺のシート部材（４０）であり、該シート部材（４０）の前記表面側被覆シート部形成範囲（４１）に、前記表面側被覆シート部形成範囲（４１）をシート長手方向に沿ってスリッパ単位を構成する甲被覆部（４）と踵被踏部（５）とにシート長手方向において前後に区分けする足入れ用開口部（６）を該足入れ用開口部（６）の横巾方向の両端部（６ａ，６ａ）を前記表面側被覆シート部形成範囲（４１）の側縁位置の近くに位置するようにスリッパ形成単位ごと所定の間隔をおいて順次形成する足入れ用開口部形成工程と、
この足入れ用開口部形成工程で足入れ用開口部（６）を順次形成されたシート部材（４０）の前記表面側被覆シート部形成範囲（４１）内に足裏巾とほぼ同じ横巾に形成された熱可塑性素材からなる板状の長尺な底部補強用シート部材（３１）を、該底部補強用シート部材（３１）の両側縁部をスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部の平行な前記延長線（Ｌ１，Ｌ１）から該両側縁部（４ａ，４ａ）を立ち上げるための所定の立ち上げ遊び巾（Ｌ３，Ｌ３）を与えて前記シート部材（４０）の長手方向に沿わして重ね合わせる底部補強用シート部材重ね合わせ工程と、
前記足入れ用開口部形成工程で足入れ用開口部（６）を順次形成され、且つ前記底部補強用シート部材重ね合わせ工程で前記表面側被覆シート部形成範囲（４１）内の所定位置に重ね合わせた底部補強用シート部材（３１）を前記シート部材（４０）で包装すべくシート部材（４０）を扁平状態でスリッパの甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される該両側縁部（４ａ，４ａ）の平行な延長線に沿ってシート部材（４０）の長手方向の両側端部を各両側端部が互いに接合されるようにそれぞれ折り曲げて足入れ用開口部（６）を形成した表面側被覆シート部（１）と各折り曲げ片から成る底面側被覆シート部（２）とを形成する折り曲げ工程と、
この折り曲げ工程で前記底部補強用シート部材（３１）を包装した状態に折り曲げられた各折り曲げ片の接合部を熱接着することによって表面側被覆シート部（１）と底面側被覆シート部（２）をもつ扁平な筒状被覆体を形成する筒状被覆体形成工程と、前記折り曲げ工程の後で前記筒状被覆体形成工程の前後あるいは同時に表面側被覆シート部（１）に形成されている前記足入れ用開口部（６）の両端部（６ａ，６ａ）が前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部の後端部の近くに位置するようにして前記甲被覆部（４）の両側縁部（４ａ，４ａ）として機能される折り曲げ部を除く表面側被覆シート部（１）と底面側被覆シート部（２）とを該両シート部（１，２）間に前記前記底部補強用シート部材（３１）の長手方向の両端部を挟着した状態で所定のスリッパ輪郭形状に沿うように熱接着する熱接着輪郭形状部形成工程と、この熱接着輪郭形状部形成工程で熱接着された熱接着輪郭形状部（１１）の外側に在るシート部材（４０）と底部補強用シート部材（３１）の長手方向の両端部を取り除くべく切断するカット工程とからなる偏平型簡易スリッパの製造方法。Parallel extension lines (L1, L1) of the side edge portions (4a, 4a) functioning as side edge portions (4a, 4a) of the instep covering portion (4) of the slipper in a flat state at the center in the longitudinal direction of the seat The surface-side covering sheet portion forming range (41) surrounded by, and the bottom-side covering sheet portion provided with a predetermined width at which both ends are joined to both sides of the surface-side covering sheet portion forming range (41) A long sheet member (40) made of a thermoplastic material formed in a predetermined sheet width having a formation range (42, 42), and the surface-side covering sheet portion formation range of the sheet member (40) ( 41), the surface side covering sheet portion forming range (41) is divided into a front covering portion (4) and a saddle tread portion (5) constituting a slipper unit in the longitudinal direction of the sheet in the longitudinal direction of the sheet. The foot opening (6) for the foot insertion Yokohaba opposite end portions of the mouth portion (6) (6a, 6a) and at a slipper forming units each predetermined interval so as to be positioned near a side edge position of the front surface side covering sheet portion forming area (41) A step opening forming step for sequentially forming;
In the foot opening opening forming step, the foot opening (6) is formed in the same width as the sole width within the surface side covering sheet portion forming range (41) of the sheet member (40) sequentially formed. The formed plate-like long bottom reinforcing sheet member (31) made of a thermoplastic material is formed, and both side edges of the bottom reinforcing sheet member (31) are connected to both side edges of the instep covering part (4) of the slipper. (4a, 4a) parallel to the extension line of the both side edges that function as (L1, L1) the both side edge portions from (4a, 4a) Standing raise predetermined start-up clearance width for the (L3, L3) A sheet member superimposing step for reinforcing the bottom along the longitudinal direction of the sheet member (40),
The foot opening (6) is sequentially formed in the foot opening forming step, and is overlapped at a predetermined position in the surface side covering sheet portion forming range (41) in the bottom reinforcing sheet member overlapping step. In order to wrap the combined bottom reinforcing sheet member (31) with the sheet member (40), the sheet member (40) functions in the flat state as both side edges (4a, 4a) of the instep covering part (4) of the slipper. A foot opening is formed by bending both longitudinal ends of the sheet member (40) along the parallel extension lines of the lateral edges (4a, 4a) so that the both lateral ends are joined to each other. A bending step of forming the surface side covering sheet portion (1) formed with (6) and the bottom surface side covering sheet portion (2) formed of each bent piece;
The surface side covering sheet portion (1) and the bottom surface side covering sheet portion (2) are obtained by thermally bonding the joint portions of the respective bent pieces that are bent in the state in which the bottom reinforcing sheet member (31) is packaged in this bending step. A cylindrical covering body forming step for forming a flat cylindrical covering body having a front surface, and a front side covering sheet portion (1) formed before and after the bending step before or simultaneously with the cylindrical covering body forming step. Both ends (6a, 6a) of the foot opening (6) are positioned near the rear end of the bent portion that functions as both side edges (4a, 4a) of the upper covering (4). The top side covering sheet portion (1) and the bottom side covering sheet portion (2) excluding the bent portions that function as both side edges (4a, 4a) of the upper covering portion (4) , 2) between the bottom reinforcing sheet member ( 1) a heat-bonding contour shape forming step for heat-bonding along a predetermined slipper contour shape with both ends in the longitudinal direction sandwiched, and a heat-bonding heat-bonded in this heat-bonding contour shape portion forming step A manufacturing method of a flat simple slipper comprising a sheet member (40) located outside the contour portion (11) and a cutting step for cutting both ends in the longitudinal direction of the bottom reinforcing sheet member (31).
JP17060198A 1998-06-03 1998-06-03 Flat type simple slipper and manufacturing method of flat type simple slipper Expired - Fee Related JP3657779B2 (en)

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