JP2005015112A - Adhesive tape cutter for bundling - Google Patents

Adhesive tape cutter for bundling Download PDF

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Publication number
JP2005015112A
JP2005015112A JP2003180343A JP2003180343A JP2005015112A JP 2005015112 A JP2005015112 A JP 2005015112A JP 2003180343 A JP2003180343 A JP 2003180343A JP 2003180343 A JP2003180343 A JP 2003180343A JP 2005015112 A JP2005015112 A JP 2005015112A
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adhesive tape
adhesive
tape
adhesive surface
width
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JP4181929B2 (en
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Eijiro Namekawa
英二郎 滑川
Mitsuaki Imazeki
光明 今関
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GREEN SHII KK
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GREEN SHII KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an adhesive tape cutter for bundling capable of being circumferentially bundled on a bundling part of a bundled object, by continuously forming a non-adhesive folded overlapped part on a longitudinal side part of an adhesive tape pulled out of a tape winding body supported between support plates with the adhesive surface directed upside. <P>SOLUTION: The adhesive tape cutter comprises an insertion passage 34 of a bundled object W disposed on the pair of support plates 12a and 12b, a pulling passage 36 for guiding the adhesive tape 2 pulled out of the tape winding body 4 to the insertion passage 34, a rotary engaging member 40 rotated by abutting of a radial engaging protrusion 40a on the bundled object W moving in the insertion passage 34, and a fixing member 42 for adhering and locking the adhesive tape 2 by abutting and sliding of the tip of the engaging protrusion 40a. The adhesive tape cutter comprises an energizing means 44 for pressure welding for energizing the fixing member 42 toward the tip of the engaging protrusion, a tape cutting lever 50 that is pressed and turned to the bundled object W moving in the insertion passage 34 and cuts the adhesive tape 2 in the insertion passage 34 just under the fixing member with a cutter edge 54, and an overlapped part forming method 60 which is disposed in the pulling passage 36, folds a longitudinal side edge 2C of the adhesive tape 2 to the adhesive surface side by a predetermined width, and forms a non-adhesive overlapped part 2d. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、例えば合成樹脂製の袋体の開口部等のような被結束物の結束部位を粘着テープで自動的に結束し得るようにした結束用粘着テープカッターに係わり、特に、結束した粘着テープの長手方向の側縁に沿って、当該粘着テープの剥離を容易にする指掛け用の非接着部を連続的に折り返して形成できるようにした結束用粘着テープカッターに関する。
【０００２】
【従来の技術】
粘着テープは、布、セロハン、クラフト紙、ゴム、ポリ塩化ビニルなどの薄膜状の長尺な基材の片面に、ゴムまたは合成樹脂を主材とする粘着剤を塗布したものであり、通常、この粘着テープはロール状に巻かれて粘着テープ巻付体とされて流通されている。そして、封筒や袋体、箱の蓋部等の封緘など様々な接着用途に用いられている。
また、この様な粘着テープを使用する際には、粘着テープ巻付体から粘着テープを引き出して所望の長さで切断することになるが、このような作業を容易にするためにテープカッターが用いられている。
テープカッターは粘着テープ巻付体を回転自在に支持するテープホルダと引き出された粘着テープを切断するカット部とを有しており、所望の長さに引き出した粘着テープを鋏やカッターナイフ等の道具を用いずに容易に切断して、接着対象物への貼り付けに供することができるようになっている。
【０００３】
ところで、この様な粘着テープカッターにおいて、所謂バックシーラーと称されている結束用粘着テープカッターが知られている（特開平１１−９１７３０号公報等）。このバックシーラータイプの結束用粘着テープカッターは、例えばスーパーマーケット等において食材（例えば、ピーマンや玉葱等）をビニール袋詰めにして陳列販売する場合等に多用されているものであり、食品を詰めたビニール袋の開口部付近を撚って結束操作用の挿通溝内に挿通するだけで、自動的に当該撚った開口部付近の結束部位に幅寸法が１０数ｍｍ程度の粘着テープを周回させるとともに、当該粘着テープ両端部分の粘着面同士を重合して貼着させ、これにより結束封緘した状態となして所定長さで切断するようになっている。
【０００４】
即ち、当該結束用粘着テープカッターは、以下の▲１▼〜▲８▼の構成を供えてなるものである。
▲１▼ 所定間隔を隔てて対向配置された一対の支持板
▲２▼ 上記支持板間に設けられて粘着テープ巻付体を回転自在に支持するテープ支持部
▲３▼ 上記一対の支持板に設けられた溝部によって形成される被結束物の挿通路▲４▼ 上記テープ支持部に支持されたテープ巻付体から該粘着面を上側にして引き出される粘着テープの先端を上記挿通路に案内する引き出し通路
▲５▼所定間隔で放射状に突出する多数の係合突起を有して上記一対の支持板間に回転自在に軸支されるとともに、一側部の当該係合突起が上記挿通路内に臨まされて上記引き出し通路の下方に設けられ、上記挿通路内に挿入される被結束物に上記係合突起が係合して回転させられる回転係合部材
▲６▼上記回転係合部材の側方に位置されて上記一対の支持板間に上部が揺動自在に軸支されるとともに、上記回転係合体の係合突起先端が当接して摺動する湾曲した摺動面を有し、当該摺動面が粘着テープの粘着面を所定の長さに亘って貼着係止するための止着部とされている止着部材
▲７▼上記止着部材の摺動面を上記回転係合部材の係合突起先端に圧接させるべく付勢する圧接用スプリング
▲８▼上記一対の支持板間に中央部が揺動自在に軸支されて上記止着部材よりも下方に設けられるとともに、下端の力点側が該挿通路内に常時臨むように復帰用スプリングによって付勢され、上記力点側が上記挿通路内に挿通される被結束物に係合して揺動されることにより上端部に取り付けられたカッター刃が上記止着部材直下の挿通路内に出没して粘着テープを切断するテープ切断レバー
【０００５】
【発明が解決しようとする課題】
しかしながら、上述の如き結束用途に供されている粘着テープは、一時的な仮止めに用いられることが多く、この様な場合、爾後に引き剥がされるか、あるいは切断される。
【０００６】
ここで、粘着テープは、その基材は薄く、また、基材の片面全体に粘着剤が塗布されているため、貼り付けられた粘着テープを結束対象物から引き剥がすのは甚だ面倒な作業であった。すなわち、対象物に対して接着面の全面が貼り付いた粘着テープを剥がす際には、粘着テープの外周縁部を爪等で捲り起こして摘み代を形成し、この摘み代を指先で摘んで引き剥がす必要があって、当該摘み代を捲り起こす作業は面倒で甚だ煩わしいものであり、当該粘着テープが全面に亘って貼着されていると、購入者が袋体を開封するにあたって、鋏やカッターナイフなどを使用せねばならなくなる等、その剥離操作が非常に困難で煩わしいものとなっていた。
【０００７】
本発明は上記課題を解決し得るものであって、その目的は、粘着テープの剥離を容易にするための摘み部となる非接着部を、テープ側縁を折り返して重合させることで長手方向に沿って容易に形成できる結束用粘着テープカッターを提供することにある。
【０００８】
【課題を解決するための手段】
本発明は上記の目的を達成するために、結束用粘着テープカッターを以下のように構成する。
即ち、請求項１に係る発明の結束用粘着テープカッターは、所定間隔を隔てて対向配置された一対の支持板と、該支持板間に設けられて、片面が粘着面のテープをロール状に巻いてなる粘着テープ巻付体を回転自在に支持するテープ支持部と、該一対の支持板に設けられた溝部によって形成され、被結束物の結束部位を上端部の挿入口から下方に向けて挿通するための挿通路と、該テープ支持部に支持されたテープ巻付体から該粘着面を上側にして引き出される粘着テープの先端を該挿通路に案内する引き出し通路と、所定間隔で放射状に突出する多数の係合突起を有して該一対の支持板間に回転自在に軸支されるとともに、一側部の該係合突起が該挿通路内に臨まされて該引き出し通路の下方に設けられ、該挿通路内に挿入される被結束物に該係合突起が係合して回転される回転係合部材と、該回転係合部材の側方に位置されて該一対の支持板間に上部が揺動自在に軸支されて設けられるとともに、該回転係合体の係合突起先端が当接して摺動する湾曲した摺動面を有し、該摺動面が粘着テープの粘着面を所定の長さに亘って貼着係止するための止着部とされた止着部材と、該止着部材の摺動面を該回転係合部材の係合突起先端に圧接させるべく付勢する圧接用付勢手段と、該一対の支持板間に中央部が揺動自在に軸支されて該止着部材よりも下方に設けられるとともに、下端の力点側が該挿通路内に常時臨むように復帰用付勢手段によって付勢され、該力点側が該挿通路内に挿通される被結束物に係合して揺動されることにより上端部に取り付けられたカッター刃が該止着部材直下の挿通路内に出没して粘着テープを切断するテープ切断レバーとを備え、該引き出し通路には、該粘着テープの長手方向の少なくとも一側に、その側縁を所定幅で粘着面側に折り返して非接着の摘み部となる重合部を形成する重合部形成手段が設けられていることを特徴とする。
【０００９】
請求項２に係る発明の結束用粘着テープカッターは、前記止着部材の摺動面が、前記重合部が形成された粘着テープに残存する貼着面に対面して形成されていることを特徴とする。
【００１０】
請求項３に係る発明の結束用粘着テープカッターは、前記止着部材の上部に一端が固定され、他端が該止着部材の前記摺動面の上側部分に延びて前記回転係合部材の係合突起先端に圧着し、該係合突起先端との間で粘着テープを挟持する板バネが設けられていることを特徴とする。
【００１１】
請求項４に係る発明の結束用粘着テープカッターは、前記止着部材の圧接用付勢手段が、該止着部材をその揺動範囲の全域で付勢する低弾発力の第１スプリングと、該止着部材が所定揺動量を超えてから機能する高弾発力の第２スプリングとからなり、前記テープ切断レバーが前記被結束物の挿通路を挟んで該止着部材と反対側に配置されていることを特徴とする。
【００１２】
請求項５に係る発明の結束用粘着テープカッターは、前記重合部形成手段が、テープ巻付体から引き出されて前記引き出し通路に挿通される該粘着テープの側縁を所定幅で上方に折り返して重合させるべく該引き出し通路幅を粘着テープ幅よりも狭幅に幅規制する幅規制部材でなることを特徴とする。
【００１３】
請求項６に係る発明の結束用粘着テープカッターは、前記引き出し通路における前記幅規制部材の配設位置よりも後方のテープ支持部寄りに位置させて、該幅規制部材によって形成される狭幅部内に導かれる粘着テープを上側から挿入案内するガイド部材を設けたことを特徴とする。
【００１４】
請求項７に係る発明の結束用粘着テープカッターは、前記幅規制部材の上部後方側の粘着テープ導入部に、狭幅部の幅を徐々に狭くするテーパー面が設けられていることを特徴とする。
【００１５】
請求項８に係る発明の結束用粘着テープカッターは、前記重合部形成手段は、前記粘着テープの接着面側に配置される接着面側部材と非接着面側に配置される非接着面側部材とからなり、これら接着面側部材と非接着面側部材とに押圧接触させつつ該両部材間に該粘着テープを挿通して引き出すことにより、該粘着テープの長手方向の少なくとも一側に、その側縁を所定幅で粘着面側に折り返して非接着部となる重合部を形成するものであって、該粘着テープの側縁部に所定の折り曲げ幅を残して該粘着面側に接触する接着面側部材としての折り曲げローラーと、該折り曲げローラーの端面に対向配置されて、該折り曲げローラに接触していない該粘着テープ側縁の前記所定の折り曲げ幅部分の非粘着面側に押圧接触して該側縁を該折り曲げローラーの端面との間に挟んで該所定幅で粘着面側に折り曲げる前記非接着面側部材としての折り曲げガイド片と、該折り曲げられた粘着テープ側縁の非粘着面側に押圧接触して該側縁を鋭角に折り返すガイド部を有して、該粘着テープの接着面側に配置された前記接着面側部材としての折り返しガイド片と、該側縁が折り返された該粘着テープの非接着面に押圧接触して、該側縁が折り返された粘着テープの対向する粘着面同士を重合させて貼り合わせる前記非接着面側部材としての貼り合わせ手段とからなり、該接着面側部材は開閉自在な開閉カバーにて支持され、該開閉カバーは、挿通される該粘着テープに対して該接着面側部材を押圧接触させる閉位置と押圧接触させない開位置との間を開閉移動可能に設けられるとともに、該開位置では該接着面側部材を該非接着面側部材から離間させて該粘着テープの挿通路を開放することを特徴とする。
【００１６】
請求項９に係る発明の結束用粘着テープカッターは、前記折り返しガイド片が、前記粘着テープの側縁の折り曲げ角度を略１３５度まで案内する第１のガイド部と、略１８０度まで折り返す第２のガイド部とを有することを特徴とする。
【００１７】
請求項１０に係る発明の結束用粘着テープカッターは、前記折り曲げガイド片に、前記折り曲げられた粘着テープ側縁の非粘着面に当接して該側縁の折れ曲がり角度を略１２０度に案内するガイド突起を突出形成したことを特徴とする。
【００１８】
請求項１１に係る発明の結束用粘着テープカッターは、前記開閉カバーが、前記粘着テープの挿通方向に対して側方に回動して開閉移動されることを特徴とする。
【００１９】
【発明の実施の形態】
以下に、本発明に係る粘着テープカッターおよび粘着テープの実施の形態について添付図面に基づいて詳細に説明する。
【００２０】
＝＝＝第１実施形態＝＝＝
図１〜図８は本発明に係る結束用粘着テープカッターの第１実施形態を示すものであり、図１はその外観を示す正面図、図２は平面図、図３は図１における左側面図、図４は図１における手前の支持板を外してその内部を示す図、図５は図４中の要部を拡大して示す図、図６〜図８は結束操作の過程を段階的に説明する図である。
【００２１】
図示するように、結束用粘着テープカッター１０は、所定間隔を隔てて対向配置された一対の支持板１２ａ，１２ｂを備える。各支持板１２ａ，１２ｂは後述する各種支軸やボルト等によって平行に保たれて連結されており、その各下端部には外方に向けて水平に折り曲げられて一体形成された脚部１４を有している。
【００２２】
上記支持板１２ａ，１２ｂ間には、片面を粘着面とする長尺なテープ２をロール状に巻いてなる粘着テープ巻付体４を回転自在に支持するテープ支持部１６がその一側部に位置されて設けられている。このテープ支持部１６はテープ巻付体４の上部を係止する少なくとも２個の支持ローラー１８ａ，１８ｂと、当該テープ巻付体４が飛び出さないようにその下部を係止する支持レバー２０とから構成されており、支持ローラー１８ａ，１８ｂは、一対の支持板１２ａ，１２ｂの少なくともいずれか一方に固定されている支持軸２２ａ，２２ｂに回転自在に軸支されている。
【００２３】
支持レバー２０は両支持板１２ａ，１２ｂ間に挟まれて設けられ、当該両支持板１２ａ，１２ｂ下部の中央部分に取り付けられた支持軸２２ｃに一端２０ａが揺動自在に軸支されていて、他端が上記両支持ローラ１８ａ，１８ｂの下方に向けて側方に延びている。また、支持レバー２０略中央部には当該支持レバーの他端２０ｂ側を上方に向けて回動させるべく付勢する付勢スプリング２４が設けられており、この付勢スプリング２４のバネ力により常にテープ巻付体４を上方にある２つの支持ローラ１８ａ，１８ｂに圧接係止させて、当該テープ巻付体４の支持板１２ａ，１２ｂ間からの飛び出しを防止するようになっている。ここで、本図示例では、付勢スプリング２４には引っ張りコイルスプリングが用いられており、その下端部は支持レバー２０に係止され、上端部は上方に延びて両支持板１２ａ，１２ｂ間に両端を固定されたピン２６に係止されている。また、支持レバー２０の上方には付勢スプリング２４の側方に位置して支持板１２ｂに固定されたストッパー２８が設けられていて、当該ストッパー２８によってテープ巻付体４の取り外し時において支持レバー２０が必要以上に上方へ回動するのを防止している。さらに、支持レバー２０の他端の揺動側先端は下方に折り曲げ形成されていて、テープ巻付体４の挿入が容易に行えるようになっている。
【００２４】
即ち、このようにテープ支持部１６を構成することで、従来から多用されているテープ巻付体４の中心部を支持ドラム等の回転体で支持するような構造にすることなく、粘着テープ巻付体４をテープの張力に抗して２個の支持ローラー１８ａ，１８ｂによってこれらに密着させて回転自在に、しかも脱着容易に保持することができる。
【００２５】
なお、支持ローラ１８ａ，１８ｂの一側端にはテープ幅方向の位置決め用フランジ１８ａａ，１８ｂａが拡径形成されていて、当該図示例ではそのフランジ１８ａａ，１８ｂａは支持板１２ｂ側に設けられている。一方、支持板１２ａにはテープ巻付体４の外周縁部に押圧接触して、当該テープ巻付体４を上記フランジ１８ａａ，１８ｂａに当接させるための板バネからなる押圧部材３０が設けられている。
【００２６】
また、一対の両支持板１２ａ，１２ｂの他側方には、その上端部から下方に延びて溝部３２が設けられている。この溝部３２は被結束物Ｗの結束部位、例えばビニール袋の開口部位等を、当該溝部３２の上端部に開放形成された挿入口３２ａから下方に向けて挿通するための挿通路３４を形成しており、被結束物Ｗは当該挿通路３４に沿って挿入挿通されて下端部に拡大形成されている取り出し口３２ｂから側方に抜き出されるようになっている。
【００２７】
そして、上記テープ支持部１６に支持されたテープ巻付体４から、その粘着面２ｂを上側にして引き出される粘着テープ２の先端を上記挿通路３４に案内する引き出し通路３６が支持板１２ａ，１２ｂ間に形成されている。この引き出し通路３６には、支持板１２ａ，１２ｂ上部の上記支持ローラ１８ｂの側方に位置されて、粘着テープ２の引きだし用ガイドローラー３３が設けられており、テープ巻付体４から引き出される粘着テープ２はその非接着面２ａ側が上記支持ローラ１８ｂと当該引き出し用ガイドローラ３２とに巻回されて粘着面２ｂ側が上側になるように反転させられるようになっている。
【００２８】
また、引き出し用通路３６の挿通路側端には、テープ巻付体４から引き出されて当該引きだし用通路３６に挿通される粘着テープ２に対し、その幅方向の一側縁を所定幅で上方に折り返して重合させ、その粘着面２ｂ同士を貼り合わせることで粘着テープ２の長手方向の側縁に沿って被接着部を形成するための重合部形成手段６０が設けられている。本実施形態では、当該重合部形成手段６０は前記引き出し用通路３６に挿通される粘着テープ２の側縁部２ｃを所定幅で上方に折り返して重合させるべく、当該引き出し通路幅３６を粘着テープ２の幅よりも狭幅に幅規制する板状の幅規制部材６２により構成されており、当該幅規制部材６２は引き出し用通路３６の挿通路側端に位置されて支持板１２ｂ側に設けられている。
【００２９】
ここで、望ましくは、当該幅規制部材６２によって形成する引き出し用通路３６の狭幅部３６ａへの粘着テープ２の導入を円滑に行わせるとともに幅規制部材６２側のテープ側縁部２ｃを所定幅にて上側に折り曲げ案内するために、当該幅規制部材６２には、テープ支持部側及び上部側に位置する上部後方側の粘着テープ導入部の厚みを、そのいずれか一方又は両方を徐々に薄肉に形成して、挿通路３４側の溝幅が徐々に狭まるように傾斜したテーパ面を設けるようにするのが良い。
【００３０】
また、粘着テープ２が狭幅部３６ａ内に上方から斜めに入り込むように、幅規制部材６２の上縁部よりも引き出し用ガイドローラー３３の上端部の高さを高く配置するのが良い。つまり、この引き出し用ガイドローラー３３は、引き出し通路３２における前記幅規制部材６２の配設位置よりもテープ引き出し方向後方となるテープ支持部寄りに位置されて、当該幅規制部材６２によって形成される狭幅部３６ａ内に導かれる粘着テープ２を上側から挿入案内するガイド部材となっており、当該ガイド部材としてはガイドローラー３３に限ることなくガイドピンともなし得る。
【００３１】
また、上記狭幅部３６ａには、所定間隔で放射状に突出する多数の係合突起４０ａを有した羽根車様の回転係合部材４０が、一対の支持板１２ａ，１２ｂ間に回転自在に軸支されて設けられおり、粘着テープ２は当該回転係合部材４０の係合突起４０ａ先端に巻回係止されて、挿通路３２内に導かれるようになっている。ここで、当該回転係合部材４０はその一側方部分の係合突起４２ａが挿通路３２内に臨まされて引き出し用通路３６の狭幅部３６ａ下方に設けられており、挿通路３２内に上方から挿入挿通される被結束物Ｗに係合突起４０ａが係合して、当該被結束物Ｗによって下方に押されて回転されるようになっている。この際、被結束物Ｗは回転係合部材４０の係合突起４０ａ先端に巻回されている粘着テープ２を係合突起４０ａ，４０ａ間に押し込んで回転係合部材４０を押し回すことになる。そして、この時に粘着テープ２に作用する張力によって、狭幅部３６ａにおいて上方に折り曲げられている当該粘着テープ２の側縁部２ｃが１８０°所定幅で折り返されて重合し、粘着面同士が圧着されて被接着部２ｄが連続形成されていくことになる（図６▲１▼，▲２▼参照）。
【００３２】
一方、挿入溝３２を挟んで上記回転係合部材４０の側方位置には、当該回転係合部材４０に対峙して、粘着テープ２先端部の粘着面２ｂ側を所定長さに亘って貼着して止着する止着部材４２が設けられている。この止着部材４２は一対の支持板１２ａ，１２ｂ間に掛け渡されて設けられた支軸４３にその上部が軸支されて揺動自在に設けられている。そして、回転係合体４０に対面する止着部材４２の側面部は当該回転係合体４０の係合突起４０ａ先端に当接して、当該係合突起４０ａの回転摺動を許容するように凹状に湾曲した摺動面４２ａに形成されており、当該摺動面４２ａが粘着テープ２の粘着面２ｂを所定の長さに亘って貼着係止するための止着部とされている。
【００３３】
ここで、摺動面４２ａは、その幅が上記狭幅部３６ａの幅よりも狭く形成されている。即ち、折り返されて被接着部２ｄとなった側縁部２ｃの幅分だけ、その折り返し後のテープ幅よりも更に摺動面４２ａの幅は狭く形成されて、残存する粘着面２ｂの幅に相当されている。つまり、側縁部２ｃが折り返し重合形成されてなる被接着部２ｄのテープ厚みは倍になっているため、粘着力のない当該被接着部２ｄを避けて粘着面２ｂ部分だけに摺動面４２ａが当たるようにしており、摺動面４２ａの側方には２枚分の厚みの被接着部２ｄを逃がす段差部４２ｂが形成されている。
【００３４】
また、湾曲形成された摺動面４２ａはその下方部分が上方部分よりも曲率が大きく形成されており、このため略半分から下の下方部分には係合突起４０ａの先端は当接するが、上方部分には係合突起４０ａは当接せずに離間した状態になっている。そして、この離間した部分には、回転係合部材４０の係合突起４０ａ先端に常時圧接して粘着テープ２を係止する板バネ４５が、一端部を止着部材４２の上部に片持ち状態で固定されて延出挿入されている。即ち、止着部材４２の上部に一端が固定され、他端が当該止着部材４２の摺動面４２ａの上側部分に延びて上記回転係合部材４０の係合突起４０ａ先端に圧着し、当該係合突起４０ａの先端との間で粘着テープ２を挟持する板バネ４５が設けられている
そして、上記止着部材４２には、上記摺動面４２ａを回転係合部材４０の係合突起４０ａ先端に圧接させるべく付勢する圧接用付勢手段４４が設けられている。即ち、当該圧接用付勢手段４４に付勢されて止着部材４２の摺動面４２ａの下端部は挿通路３４内に突出しており、被結束物Ｗが上方から挿通されて来ると、当該挿通路３４内に突出した下端部分にその被結束物Ｗが当接して側方の支持板１２ａ，１２ｂ間に押し戻されて挿通路３４内から待避するようになっている。そして、後に詳しく述べるが、被結束物Ｗは止着部材４２の下方まで押し下げられると、挿通路３４内を移動してきた結束部位に粘着テープ２が環状に巻回されて結束された状態にされるようになっている（図６〜図８参照）。
【００３５】
また、上記止着部材４２および回転係合部材４０の下方には、テープ切断レバー５０が両支持板１２ａ，１２ｂ間に掛け渡された支軸５１に揺動自在に支持されて設けられている。本図示例では、当該テープ切断レバー５０は被結束物Ｗの挿通路３６を挟んで、上記止着部材４２とは反対側に配置されている。上記支軸５１は挿通路３４に近接して設けられ、力点部となる一方の端部５０ａは側方の挿通路３４内に向けて延び、作用点部となる他方の端部５０ｂは上方に屈曲して回転係合部材４０の直ぐ下まで延びており、略Ｌ字状に屈曲形成されている。また、テープ切断用レバー５０は、その下方の力点側端部５０ａが挿通路３４内に常時臨むように復帰用付勢手段５２によって付勢されていて、当該力点側端部５０ａが挿通路３４内を下方に挿通移動される被結束物Ｗに係合して揺動されることにより、上方の作用点側端部５０ｂに取り付けられたカッター刃５４が止着部材４２直下の挿通路３４内に出没して、粘着テープ２を切断するようになっている。
【００３６】
また、上記復帰用付勢手段５２には、引っ張りコイルスプリングが使用されていて、この引っ張りコイルスプリング５２は一端が切断用レバー５０の屈曲部の下部に係止され、他端が前述した支軸２２ｃに係止されている。さらに、挿通路３４の下端部に形成された取り出し口３２ｂの上方には、切断用レバー５０の下面に当接して当該切断用レバー５０の過回動を規制し、その力点側端部５０ａを挿通溝３４内に止まらせて係止するストッパーピン５３が設けられている。
【００３７】
ここで、上記止着部材４２の圧接用付勢手段４４は、当該止着部材４２をその揺動範囲の全域に亘って付勢する弾性係数の低い低弾発力の第１スプリング４６と、当該止着部材４２が所定揺動量を超えてから弾発力を発生させて機能する弾性係数の高い高弾発力の第２スプリング４８とからなっている。つまり、図８に示すように、被結束部材Ｗが回転係合部材４０を押し回して下方部に至ると、その係合突起４０ａから離脱するともに止着部材４２を側方に押し込んで更に下方に進んで行くことになるが、被結束部材Ｗが止着部材４２の下方に抜けたときに、低弾発力の第１スプリング４６だけであると粘着テープ２の張力によって止着部材４２の下端部が側方に押圧された状態になり、このため止着部材４２の戻りが不安定となってしまい、結果として被結束物Ｗを結束した粘着テープ２の切断レバー５０による切断長が一定しなくなってしまう。
【００３８】
そこで、止着部材４２が所定量揺動量に達したときに止着部材４２に当接して当該止着部材４２に対する付勢力を増大させてテープ切断長を安定化させるための第２スプリング４８を設けてある。即ち、この第２スプリング４８は、支持板１２ｂに固定されて止着部材４２の摺動面４２ａの裏面側に対面して設けられている係止金具４９に一端が固着されている一方、他端は止着部材４２の摺動面４２ａ裏面側に凹設された係合孔４２ｂに挿入されていて、摺動面４２ａが係合突起に４０ａに当接している状態では当該第２スプリング４８の他端は係合孔４２ｂの底面に当接せずに若干の隙間が空いているか、あるいは自然長のままで弾発力を発揮せずに他端が軽く係合孔４２ｂの底面に接触しているだけであり、係合孔４２ｂの底面に第２スプリング４８の他端が当接した状態から更に止着部材４２が揺動すると弾発力を発揮して止着部材４２に対する付勢力が増強されるようになっている。
【００３９】
また、切断用レバー５０の力点側端部先端には、切り離された粘着テープの端部同士を圧着させてその両粘着面の接着を確実にするための圧着用レバー７０が常時押圧当接されて設けられている。この圧着用レバー７０はその下端部７０ａが支持軸７２によって揺動自在に軸支されており、引っ張りコイルバネ７４によって図示する時計回り方向に常時付勢されていて、上端部７０ｂが切断用レバー５０の力点側端部５０ａ先端面に押圧接触されている。相互に当接する圧着用レバー７０の上端部７０ｂと切断用レバー５０の力点側端部５０ａ先端面とは、ともに円弧面に形成されていて、力点側端部５０ａの先端面は半円形になっている。 即ち、被結束物Ｗが切断用レバー５０を押し下げて行き圧着用レバー７０との当接部に至ると、当該圧着用レバー７０の上端部７０ｂは被結束物Ｗにより押し戻されて力点側端部５０ａから離間し、その間を被結束物Ｗが通過する。そして、被結束物Ｗが通過すると当該被結束物Ｗの結束部位を周回して結束した粘着テープ２を力点側端部５０ａとの間で挟んで両面から押圧して圧着し、その後に切断用レバー５０のカッター刃５４が粘着テープ２を切断するようになっている。切断された粘着テープ２は圧着用レバー７０と力点側端部５０ａとの間を引き抜かれていき、その全長に亘って粘着面同士が確実に押圧接着されることになる。
【００４０】
図６〜図８は被結束物Ｗの結束部位の周囲に粘着テープが周回されて結束されていく過程を順次に示してある。（なお、これら図６〜図８において、止着部材４２を付勢する第２スプリング４８は省いてあるものがある。）即ち、図６の（１）に示すように、被結束物Ｗを挿通路に挿入する時点では、粘着テープ２は先端部が止着部材４２の摺動面４２ａに所定の長さに亘って貼着されて、回転係合部材４０の係合突起４０ａ先端間に掛け回されている。この状態で、被結束物Ｗを挿通路３４内に挿入して下方に挿通していくと、被結束物Ｗは係合突起４０ａ間に形成される凹部内に進入しながら回転係合部材を押し回していく。このとき、被結束物Ｗが当接する係合突起４０ａの先端は板バネ４５に当接しており、また先行する１つ前の係合突起４０ａの先端は止着部材４２の摺動面４２ａに当接している（図６の（２），（３）参照）。
【００４１】
回転係合部材４０が回転していくと、板バネ４５に当接して摺動する係合突起４０ａその間に挟まれた粘着テープを当該板バネに貼り付けていく。また、先行する係合突起４０ａは止着部材４２の摺動面に貼り付いた粘着テープ２の被接着面２ａを滑っていき、その粘着面２ｂを摺動面に押圧して貼着を確実なものとしていく。やがて先行する係合突起４０ａは止着部材４２の摺動面４２ａ下端から離脱する一方、被結束物Ｗが当接した係合突起４０ａが板バネ４５から離脱して粘着テープ２を介して摺動面４２ａに当接する。そして、被結束物Ｗの結束部位には、先行して板バネ４５に貼り付いていた粘着テープ２が徐々に引き剥がされて反転しながら巻き付いていく。この際、側部に２枚重ねされた非接着部２ｄがあると、当該非接着部２ｄの可撓性は低下するため粘着テープ２は反転し難くなるのであるが、粘着面２ｂが板バネ４５に確実に貼着されているので、重合された非接着部２ｄがあっても容易に、しかも円滑に粘着テープを反転させて被結束物Ｗに周回させていくことができる（図６の（３），（４）及び図７の（５）参照）。
【００４２】
さらに回転係合部材４０が回転されていくと、被結束部Ｗが当接する係合突起４０ａは摺動面４２ａに貼り付いた粘着テープ２の非接着面２ａ上を滑っていき、その貼着が更に確実なものとされていく一方、後続の係合突起４０ａの先端が板バネ４５に当接して、粘着テープ２を板バネ４５との間に挟んで係止する。このとき、被結束物Ｗに引っ張られて粘着テープ２がテープ巻付体４から引き出されてくることになり、その引き出し時に粘着テープ２に作用する張力に起因して、粘着テープ２は板バネ４５には貼り付かずに後続の係合突起４０ａの先端間に張設された状態で巻回されるとともに、引き出し通路３６の狭幅部３６ａにおいて粘着テープ２の側縁部２ｃが幅規制部材６２によって上方の粘着面に折り曲げられ、当該粘着テープに作用している張力によって更に折り返されて粘着面同士が重合し、係合突起４０ａに当接した部分が張り合わされて、非接着部が形成されていく（図７の（５）〜（７）参照）。
【００４３】
そして、更に回転係合部材４０が回転していくと、被結束物Ｗの直ぐ後ろの係合突起４０ａが板バネ４５から離脱して止着部材４２の摺動面４２ａに当接し、摺動面４２ａから剥離されて表出した粘着テープ２の粘着面２ｂに係合突起４０ａ先端に係止した粘着テープの粘着面２ｂを押し付けて仮止めする。また、これとほぼ同時に、被結束物Ｗが当接した直前の係合突起４０ａが摺動面４２ａから離脱する（図７の（８）参照）。なお、ここまでは止着部材４２は第１のスプリング４６に付勢されて比較的弱い弾発力で摺動面４２ａが係合突起４０ａに当接しており、このため回転係合部材４０に対する摩擦ブレーキ力は小さいので被結束部材Ｗによる回転係合部材４０の押し回しは小さい力で済み、操作力の軽減が図られている。
【００４４】
また、上記のように直前の係合突起４０ａが摺動面４２ａから離脱すると、被結束物Ｗは止着部材４２の摺動面４２ａ下端部に直接に当接し、当該止着部材４２を第１，第２のスプリングの付勢力に抗して側方に向けて揺動させつつ止着部材４２の下方に抜け、爾後、止着部材４２は再び係合突起４０ａに当接することになる（図８の（９）〜（１０）参照）。
【００４５】
そして、被結束物を更に下方に移動させていくと、粘着テープ２が巻回された回転係合部材４０はテープ巻付体４から引き出される粘着テープ２と共に共周りし、摺動面４２ａ先端から下方に引き出される粘着テープ２の粘着面２ｂには、摺動面４２ａに貼り付いている既に先行して引き出されていた粘着テープ２が引き剥がされつつ反転して、その両粘着面同士が貼り合わされていく。このとき摺動面４２ａに貼り付いた粘着テープ２は反転して被接着面２ａ同士が摺り合わされることになるので、粘着テープ２は抵抗なく円滑に下方に引き出し得る。また、摺動面４２ａ側に貼り付いた粘着テープ２がその全長に亘って引き剥がされつつ重合されて、所定の長さ分だけ下方に引き出されると、被結束物Ｗは切断用レバー５０を押し回して回動させ、これによりカッター刃５４が止着部材４２の下端部の直下で粘着テープを切断することになる。ここで、その切断直後において、テープ巻付体４から引き出された粘着テープ２に作用していた張力は解放されることになり、この際に粘着テープ２は一気に縮もうとするが、当該粘着テープ２は摺動面４２ａと係合突起４０ａとの間、および板バネ４５と係合渡付き突起４０ａとの間の２箇所で挟持されて係止されているので、粘着テープのスプリングバックによって当該粘着テープ２が回転係合部材４０および止着部材４２から外れてしまうことを防止でき、切断後は図６の（１）に示す状態となる。
【００４６】
従って、以上の説明から明らかなように、この結束用粘着テープカッター１０によれば、テープ巻付体４から粘着面２ｂを上側にして引き出される粘着テープ２の長手方向側部に折り返し重合させた非接着部２ｄを連続形成して、当該粘着テープ２を被結束物Ｗの結束部位に安定的に確実に周回結束することができ、爾後における当該結束した粘着テープ２の剥離を、その非接着部２ｄ摘んで容易に行えるようになる。
【００４７】
＝＝＝第２実施形態＝＝＝
図９〜図１６は本発明の第２実施形態を示すものであり、図９はその外観を示す正面図、図１０は平面図、図１１は図９における左側面図、図１２は図９における手前の支持板を外してその内部を示す図、図１３は図１２中の上部に設けられた重合部形成手段をなす側縁折り返し重合機構を示す斜視図、図１４は上記側縁折り返し重合機構の折り曲げ機構部を示す平面図、図１５は上記側縁折り返し重合機構の折り返し機構部における傾斜ガイド部分を示す縦断面図、図１６は上記側縁折り返し重合機構の折り返し機構部における切欠ガイド部分を示す縦断面図である。
【００４８】
ここで、当該第２実施形態が前述の第１実施形態と相違する点は、重合部形成手段にある。即ち、第１実施形態では引き出し通路３６の狭幅部３６ａを形成する幅規制部材６２が重合部形成手段６０となっていたが、当該第１実施形態では重合形成される非接着部２ｄには若干の皺がよってワカメ状になってしまう懸念がある。これは引き出される粘着テープ２の一側に側縁部２ｃを重合して貼り付けるにあたって、先ず最初に回転係合部材４０係合突起４０ａに当接した部分が先行して断続的に張り合わされてしまうためである。
【００４９】
このため、本第２実施形態では、より美麗に非接着部２ｄを形成できるように、第１実施形態の引き出し通路３６の途中に側縁部を連続的に折り返して重合させる側縁折り返し重合機構８０を更に付加して設けてあり、この側縁折り返し重合機構８０の構成部分のみが第１実施形態と相違する点である。よって、以下には当該側縁折り返し機構８０部分のみを説明して、第１実施形態と同一構成の部分には同一の符合を付して、その説明は省略する。なお、前述した第１実施形態の図５〜図８及びその説明は当該第２実施形態にあっても共通する。
【００５０】
図９〜図１６に示すように、本第２実施形態の結束用粘着テープカッター１０Ａにあっては、一対の支持板１２ａ，１２ｂの上部中央部が矩形に上方に延出形成され、この延出部１２ａＡ，１２ｂＡ間に重合部形成手段６０をなす側縁折り返し重合機構８０が設けられている。ここで、支持板１２ｂの延出部１２ｂＡはヒンジ１２４によって側方に開閉可能となっており、その上端部はＬ字状に屈曲されて天板部１２５が形成されていて、開閉カバーとなっている。そして、この天板部１２５には支持板１２ａの延出部１２ａＡに形成された係合孔１２６にロック片１２７を係合させて開閉カバー１２ｂＡを係脱自在に係止するロック手段１２８が設けられている。１２７ａは天板部１２５に突出されて設けられているロック片１２７の操作ノブである。
【００５１】
そして、上記側縁折り返し重合機構８０は、粘着テープ２の引き出し通路に３６において、接着（粘着）面２ｂ側に配置される接着面側部材と非接着面２ａ側に配置される非接着面側部材とからなり、これら接着面側部材と非接着面側部材とに押圧接触させつつ両部材間に粘着テープ２を挿通して引き出すことにより、粘着テープ２の長手方向の少なくとも一側に、その側縁部２ｃを所定幅で粘着面２ｂ側に折り返して非接着部２ｄとなる重合部を形成するものである。
【００５２】
この側縁折り返し重合機構８０は、図１２〜図１６に示すように、引き出される粘着テープ２の長手方向一側部の側縁部２ｃを粘着面２ｂ側の上方に略９０度まで折り曲げる折り曲げ機構部９０と、その折り曲げられた側縁部２ｃを更に略１８０度まで折り返して粘着面２ｂ同士を対面させる折り返し機構部１００、およびその対面した粘着面２ｂ同士を重合させて貼り合わせる貼り合わせ手段１１０とからなる。
【００５３】
折り曲げ機構部９０は、位置決め手段としての位置決めローラー９１と折り曲げ手段としての折り曲げローラー９２、及び折り曲げガイド片９４とにより構成されている。位置決めローラー９１は、テープ支持部１６と上記折り曲げローラー９２との間に設けられて、粘着テープ巻付体４から引き出される粘着テープ２の折り曲げローラー９２への供給位置を位置決めするものであり、テーパー状のローラー本体９１ａと、このローラー本体９１ａの端部に設けられたフランジ９１ｂとを有しており、両支持板１２ａ，１２ｂに回転自在に軸支されて取り付けられている。ローラー本体９１には粘着テープ巻付体４から引き出された粘着テープ２の非接着面２ａが押圧接触するようになっており、フランジ９１ｂには粘着テープ２の一方の側端が接するようになっている。そして、粘着テープ巻付体４から引き出された粘着テープ２を折り曲げローラー９２に向けて、その高さ位置と幅方向位置とを位置決めして案内するようになっている。
【００５４】
折り曲げローラー９２は折り返し機構部１００と位置決めローラー９１との間に位置して、開閉カバー１２ｂＡに回転自在に軸支されて取り付けられている。折り曲げローラー９２の一方の端部９２ａは引き出し通路３６を挿通される粘着テープ２の粘着面２ｂ上に位置しており、当該粘着テープ２の一側部に所定の折り曲げ幅を残して粘着面側に押圧接触する。つまり、図１４に例示するように、この折り曲げローラー９２の外周面９２ｂは、粘着テープ巻付体４から引き出される粘着テープ２の粘着面２ｂに対して、その全幅に亘っては接触されずに所定範囲部分にだけ接し、折り曲げ予定幅とされた側縁部２ｃの粘着面２ｂには接しないようになっている。また、この外周面９２ｂには多数の溝部が形成されており、粘着面２ｂとの接触面積を減少させて粘着テープ２と接着されるのを防止するようになっている。そして、位置決めローラー９１によって案内される粘着テープ２の一側部をその端面９２ａ部分で折り曲げて、この折り曲げ状態で折り返し機構部１００方向へ案内するようになっている。なお、本実施の形態においては、折り曲げローラー９２は円筒状に形成されているがこれに限らず、粘着テープ２の粘着面２ｂの所定の位置に接する薄い外周面を有する円盤形のものとしてもよい。
【００５５】
また。折り曲げローラー９２の端面９２ａに対向配置されて、当該折り曲げローラ９２に接触していない粘着テープ２の側縁部２ｃを所定の折り曲げ幅で粘着面２ｂ側に折り曲げるべく、当該折り曲げ幅部分の側縁部２ｃの非粘着面２ｂ側に押圧接触して、当該側縁部２ｃを折り曲げローラー９２の端面９２ａとの間に挟んで所定幅で粘着面２ｂ側に折り曲げる、非接着面側部材としての折り曲げガイド片９４が支持板１２ｂに設けられている。ここで、当該折り曲げガイド片９４は折り曲げローラー９２の端面外周縁よりも更に折り返し機構２０側を指向してローラー９２の径方向外方に延びており、その延出端部には略９０度に折り曲げられた粘着テープ２の側縁部２ｃの非粘着面２ｂに当接して、当該側縁部２ｃの折り曲げ角度θを略１２０度に、つまり粘着面側で略６０度の鋭角に狭めるように案内するガイド突起９５が三角形状に突出形成されて設けられている。
【００５６】
折り返し手段としての折り返し機構部１００は、図１５と図１６とに示すように折り曲げられた粘着テープ２の側縁部２ｃの非粘着面２ｂ側に押圧接触して、当該側縁部２ｃを略１８０度まで折り返すためのガイド部を有した折り返しガイド片でなる。本実施形態にあっては、この折り返しガイド片は、図１５に示すように前記粘着テープ２の側縁部２ｃの折り曲げ角度θを略１３５度（粘着面同士の角度で略４５度の鋭角）まで案内して狭める第１のガイド部としての傾斜ブロック１０１と、この傾斜ブロック１０１に隣接配置されて上記折り曲げ角度を略１８０度まで案内して折り返す、第２のガイド部としての切欠ブロック１０２とから構成されており、本実施形態では両ブロック１０１，１０２は樹脂で一体形成されて粘着テープ２上方の接着面２ａ側に配置されて、開閉カバー１２ｂＡに取り付けられている。
【００５７】
即ち、傾斜ブロック１０１は、引き出し通路３６における粘着テープ２の粘着面２ｂに対して鋭角となる傾斜角（≒４５度）を有する傾斜面１０１ａを備え、切欠ブロック１０２はくさび形に切欠形成された傾斜面１０２ａを備えており、かつ当該切り欠きブロック１０２の下方には、粘着テープの下側の被接着面２ａ側に当接して当該切り欠きブロック１０２に粘着テープ２を押圧接触させる押圧ローラ１０３が両端を一対の支持板１２ａ，１２ｂに軸支されて設けられている。
【００５８】
貼り合わせ手段１１０は、図１２に示すように、側縁部２ｃが折り返された粘着テープ２の対向する粘着面同士を重合させて貼り合わせるものであって、当該側縁部２ｃが折り返された粘着テープ２の接着面側と非接着面側とに配設される少なくとも上下一対の押圧部材からなり、本第２実施形態では、当該押圧部材は一対の支持板１２ａ，１２ｂに軸支されて粘着テープ２の下側にその挿通方向の前後に配されて並設された２つの下側ガイドローラー１１１，１１２と、これら下側ガイドローラ１１１，１１２の間に位置されて粘着テープの上側に設けられる上側ガイドローラ１１３との３つから構成されており、上側ガイドローラ１１３は開閉カバー１２ｂＡに回転自在に軸支されて設けられている。そして、これらの下側ガイドローラー１１１，１１２と上側ガイドローラ１１３とは側縁部２ｃが折り返された該粘着テープ２にその両面から押圧接触する。また、上側ガイドローラー１１３の外周面４２ａにはその略中央部に、開閉カバー１２ｂＡを閉じる時に、粘着テープ２の側縁エッヂ部を係止して、側縁部２ｃの折り曲げを案内する係止溝１１３ａが形成されている。
【００５９】
開閉カバーとしての開閉カバー１２ｂＡは、引き出し通路３６に挿通される粘着テープ２に対して、当該開閉カバー１２ｂＡに取り付けられた接着面側部材を押圧接触させる閉位置と押圧接触させない開位置とに切り替えて両位置間を移動して開閉可能に設けられるとともに、開位置では接着面側部材を非接着面側部材から離間させて粘着テープ２の引き出し通路３６をその全長に亘って開放するようになっている。また、開閉カバー１２ｂＡは、粘着テープ２の挿通方向に対して側方に回動して開閉移動されるようになっている。
【００６０】
即ち、本実施形態では、図１０と図１１とに示すように、開閉カバー１２ｂＡは下端部が支持板１２ｂの上端部にヒンジ１２４を介して回動自在に取り付けられており、当該開閉カバー１２ｂＡを側方に開くことによって、この開閉カバー１２ｂＡに支持された折り曲げローラー９２、傾斜ブロック１０１、切欠ブロック１０２、上側ガイドローラ１１３等の接着面側部材が、位置決めローラー９１，折り曲げガイド片９４，押圧ローラ１０３，および下側ガイドローラー１１１，１１２等の非接着面側部材に対して回動して離れるようになっている。つまり、開閉カバー５を開くことにより、傾斜ブロック１０１、切欠ブロック１０２，折り曲げローラー９２，上側ガイドローラ１１３は粘着テープ２から離れて、当該粘着テープ２の引き出し通路３６が全長に亘って開放されるようになっている。
【００６１】
そして、上記のように構成された側縁折り返し重合機構８０に粘着テープ２をセットするあたっては、テープ巻付体４から引き出した粘着テープ２を非接着面側部材上に浮かして張った状態で支持しながら、開閉カバー１２ｂＡを閉じていき、当該開閉カバー１２ｂＡに取り付けられた傾斜ブロック１０１の先端を粘着テープ２の側縁部２ｃ下面に挿入するとともに、側縁部２ｃのエッヂを上側ガイドローラ１１３の係止溝１１３ａに引っ掛けて係止し、この状態で開閉カバーをゆっくりと閉じていく。これにより、係止溝１１３ａにエッヂが係止された粘着テープ２の側縁部２ｃは粘着面側に折り返されて粘着面同士が重合された状態になる。このとき重合部の幅には予定幅よりも大小する誤差が生じてしまうが、位置決めローラー９１から貼り合わせ手段１１０の出口までの距離分以上に粘着テープ２を引き出せば、側縁折り返し重合機構８０の折り曲げローラー９２、折り曲げガイド片９４、傾斜ブロック１０１、切欠ブロック１０２、ガイドローラー１１１，１１２，１１３等が機能して、折り曲げ幅を予定幅に自動調節しつつ、側縁部２ｃを徐々に滑らかに折り曲げながら連続的に重合圧着させて、皺のない美麗な折り曲げ重合状態の非接着部２ｄを有した粘着テープ２が繰り出されてくる。
【００６２】
即ち、 傾斜ブロック１０１の傾斜面２１ａには粘着テープ２の一方の側端つまり側部における非接着面２ａが接するようになっており、粘着テープ２の一方の側端は粘着面２ｂを内側として鋭角に折り曲げられることになる。
【００６３】
また、切欠ブロック１０２においては、粘着テープ２は、傾斜ブロック１０１により折り曲げられた状態で導入され、傾斜面１０２ａで徐々にその折り曲げ度合いを増し、対向する粘着面２ｂ同士がほぼ平行となるまで折り曲げられる。つまり、粘着テープ２の一方の側端には粘着面２ｂを内側とした重合部が連続的に形成されることになる。
【００６４】
また、折り返し機構部１００により形成される重合部の寸法は、折り曲げローラー９２により所定の寸法に規制されるようになっている。すなわち、図１４に示すように、折り曲げローラー９２はその端部９２ａが粘着テープ２の粘着面２ｂ上に位置するようになっているため、重合部はこの端部９２ａを越えて折り曲がることが規制されてその寸法が一定に保たれるようになっている。
【００６５】
また、この折り曲げローラー９２により規制される重合部の寸法は、粘着テープ２と折り曲げローラー９２との幅方向の位置関係により変化することになる。そのため、このテープカッター１０Ａでは、折り曲げローラー９２に粘着テープ２を案内する位置決めローラー９１により、粘着テープ２の幅方向の位置を規制させるようにしている。つまり、位置決めローラー９１のフランジ９１ｂと接する粘着テープ２の側端は、重合部が形成される際に生じる張力によりその重合部形成側に向かって、つまり図１４中の下方に向かって移動しようとするが、粘着テープ２の側端はこの位置決めローラー９１のフランジ９１ｂに接触することにより移動が制限されているため、粘着テープ２の幅方向の位置は常に一定に保たれることになる。
【００６６】
折り返し機構部１００により重合部が形成された粘着テープ２は、図１２に示すように、下側ガイドローラー１１１，１１２と上側ガイドローラー１１３との間を挿通される。このとき、粘着テープ２が各ガイドローラー１１１，１１２，１１３に押圧接触して与えらる張力により、その重合部の対向する粘着面２ｂ同士が互いに押し付けられて、粘着面２ｂの一方の側端つまり側部に側縁部２ｃが折り返されて重合された非接着部２ｄが形成されることになる。
【００６７】
このような一連の行程は、粘着テープ巻付体４から順次粘着テープ２を引き出すことにより連続的に行われることになる。
【００６８】
そして、この一側に非接着部２ｄが重合形成された粘着テープ２を引き出し通路３６の狭幅部３６ａを通過させてその先端部を被結束部材Ｗの挿通路３４上に導き、当該粘着テープ２の上方から挿通路３４内に被結束部Ｗを挿入挿通させれば、前述の第１実施形態で説明した図６の（１）の状態になって粘着テープ２のセットが完了することになる。
【００６９】
このように、このテープカッター１０Ａを用いることにより、粘着テープ２の粘着面２ｂの一方の側端に剥離時に摘み部として機能する非接着部分２ｄを、ワカメ状のような皺を発生させることなく美麗に形成して、被結束物Ｗの結束部位に安定的に、かつ確実に周回させて結束することができ、爾後の粘着テープの剥離も容易に行えるようになる。
【００７０】
【発明の効果】
以上の実施形態で詳細に説明したように、本発明に係る結束用粘着テープカッターによれば、テープ巻付体から粘着面を上側にして引き出される粘着テープの長手方向側部に非接着の折り返し重合部を連続形成して、当該粘着テープを被結束物の結束部位に安定的に確実に周回結束することができ、爾後の粘着テープの剥離が容易に行えるようになる。
【図面の簡単な説明】
【図１】本発明に係る結束用粘着テープカッターの第１実施形態の外観を示す正面図である。
【図２】図１のテープカッターの平面図である。
【図３】図１における左側面図である。
【図４】図１における手前の支持板を外してその内部を示す図である。
【図５】図４中の要部を拡大して示す図である。
【図６】図１〜図５に示すテープカッターによる結束操作の過程を段階的に説明する図である。
【図７】同上、図１〜図５に示すテープカッターによる結束操作の過程を段階的に説明する図である。
【図８】同上、図１〜図５に示すテープカッターによる結束操作の過程を段階的に説明する図である。
【図９】本発明に係る結束用粘着テープカッターの第２実施形態の外観を示す正面図である。
【図１０】図９のテープカッターの平面図である。
【図１１】図９における左側面図である。
【図１２】図９における手前の支持板を外してその内部を示す図である。
【図１３】図１２中の上部に設けられた重合部形成手段をなす側縁折り返し重合機構を示す斜視図である。
【図１４】上記側縁折り返し重合機構の折り曲げ機構部を示す平面図である。
【図１５】上記側縁折り返し重合機構の折り返し機構部における傾斜ガイド部分を示す縦断面図である。
【図１６】上記側縁折り返し重合機構の折り返し機構部における切欠ガイド部分を示す縦断面図である。
【符号の説明】
Ｗ 被結束物
２ 粘着テープ
２ａ 粘着テープの非粘着面（非接着面）
２ｂ 粘着テープの粘着面（接着面）
２ｃ 粘着テープの側縁部（折込側）
２ｄ 粘着テープの非接着部（重合部）
４ テープ巻付体
１０，１０Ａ 結束用粘着テープカッター
１２ 支持板 １２ｂＡ 開閉カバー
１６ テープ支持部
３２ 溝部 ３２ａ 挿入口
３３ ガイド部材 ３４ 挿通路
３６ 引き出し通路 ３６ａ 狭幅部
４０ 回転係合部材 ４０ａ 係合突起
４２ 止着部材 ４２ａ 摺動面（止着部）
４４ 圧接用付勢手段 ４５ 板バネ
４６ 第１スプリング ４８ 第２スプリング
５０ テープ切断レバー
５２ 復帰用付勢手段（引っ張りコイルスプリング）
５４ カッター刃 ６０ 重合部形成手段
６２ 幅規制部材 ９２ 折り曲げローラー
９４ 折り曲げガイド片 ９５ ガイド突起
１００ 折り返し機構部（折り返しガイド片）
１０１ 第１のガイド部
１０２ 第２のガイド部
１１０ 貼り合わせ手段
１１１，１１２ 下側ローラー
１１３ 上側ローラー[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a binding pressure-sensitive adhesive tape cutter capable of automatically binding, for example, a binding portion of a material to be bound, such as an opening of a synthetic resin bag, with an adhesive tape, and in particular, a bonded pressure-sensitive adhesive. The present invention relates to an adhesive tape cutter for bundling that can be formed by continuously folding back a non-adhesive portion for finger hooking that facilitates peeling of the adhesive tape along a side edge in the longitudinal direction of the tape.
[0002]
[Prior art]
Adhesive tape is made by applying an adhesive mainly composed of rubber or synthetic resin to one side of a thin film-like base material such as cloth, cellophane, kraft paper, rubber or polyvinyl chloride. This pressure-sensitive adhesive tape is wound in a roll shape to form a pressure-sensitive adhesive tape wound body and is distributed. And it is used for various adhesion | attachment uses, such as sealing of an envelope, a bag body, a cover part, etc. of a box.
In addition, when using such an adhesive tape, the adhesive tape is pulled out of the adhesive tape wound body and cut to a desired length. To facilitate such work, a tape cutter is used. It is used.
The tape cutter has a tape holder that rotatably supports the adhesive tape wound body and a cut portion that cuts the drawn adhesive tape, and the adhesive tape drawn out to a desired length can be used as a punch or a cutter knife. It can be easily cut without using a tool and can be applied to an object to be bonded.
[0003]
By the way, as such an adhesive tape cutter, a binding adhesive tape cutter called a so-called back sealer is known (Japanese Patent Laid-Open No. 11-91730). This back sealer type adhesive tape cutter for bundling is widely used when selling foodstuffs (for example, bell peppers, onions, etc.) packed in plastic bags at supermarkets, etc. By simply twisting the vicinity of the opening of the bag and inserting it into the insertion groove for bundling operation, the adhesive tape having a width of about a few tens of millimeters is automatically circulated around the bundling portion near the twisted opening. The pressure-sensitive adhesive surfaces at both ends of the pressure-sensitive adhesive tape are polymerized and adhered to each other, so that they are bound and sealed and cut at a predetermined length.
[0004]
That is, the binding pressure-sensitive adhesive tape cutter has the following constitutions (1) to (8).
(1) A pair of support plates arranged to face each other at a predetermined interval
(2) A tape support provided between the support plates for rotatably supporting the adhesive tape winding body
(3) Insertion path of the object to be bound formed by grooves provided in the pair of support plates (4) Adhesive tape drawn out with the adhesive surface facing upward from a tape winding body supported by the tape support Drawer passage for guiding the tip of the guide to the insertion passage
(5) It has a large number of engaging protrusions that protrude radially at a predetermined interval and is rotatably supported between the pair of support plates, and the engaging protrusion on one side faces the insertion passage. And a rotation engaging member that is provided below the drawer passage and is rotated by the engagement protrusion engaging with the object to be bound inserted into the insertion passage.
(6) The upper part is pivotally supported between the pair of support plates and is located on the side of the rotation engagement member, and the front end of the engagement protrusion of the rotation engagement body comes into contact and slides. A fastening member having a curved sliding surface, the sliding surface being a fastening portion for sticking and locking the adhesive surface of the adhesive tape over a predetermined length
(7) A pressure spring for urging the sliding surface of the fixing member to be brought into pressure contact with the tip of the engaging protrusion of the rotary engaging member
(8) A central portion is pivotally supported between the pair of support plates so as to be provided below the fixing member, and a return spring is provided so that the lower end of the force point always faces the insertion path. The cutter blade attached to the upper end is projected and retracted in the insertion path directly below the fixing member by being urged and swung by engaging the object to be bound inserted into the insertion path with the force point side. Tape cutting lever for cutting adhesive tape
[0005]
[Problems to be solved by the invention]
However, the pressure-sensitive adhesive tape used for binding as described above is often used for temporary temporary fixing, and in such a case, the adhesive tape is peeled off or cut.
[0006]
Here, the adhesive tape has a thin base material, and the adhesive is applied to the entire surface of the base material. Therefore, it is very troublesome to remove the attached adhesive tape from the object to be bound. there were. That is, when peeling off the adhesive tape with the entire adhesive surface attached to the object, the outer peripheral edge of the adhesive tape is raised with a nail or the like to form a picking allowance, and this picking allowance is picked with a fingertip. It is necessary to peel off, and the work of raising the picking cost is cumbersome and cumbersome, and if the adhesive tape is stuck over the entire surface, The peeling operation is very difficult and troublesome, such as the necessity of using a cutter knife.
[0007]
The present invention can solve the above-mentioned problems, and its purpose is to longitudinally overlap a non-adhesive portion, which is a knob for facilitating peeling of the pressure-sensitive adhesive tape, by polymerizing the side edges of the tape. An object of the present invention is to provide an adhesive tape cutter for bundling that can be easily formed.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention comprises a binding adhesive tape cutter as follows.
That is, the adhesive tape cutter for bundling of the invention according to claim 1 is provided with a pair of support plates opposed to each other at a predetermined interval, and a tape having an adhesive surface on one side in a roll shape. It is formed by a tape support part that rotatably supports the wound adhesive tape winding body and a groove part provided in the pair of support plates, and the binding part of the object to be bound is directed downward from the insertion port of the upper end part. An insertion passage for insertion, a pull-out passage for guiding the tip of the adhesive tape drawn out from the tape winding supported by the tape support portion with the adhesive surface upward, to the insertion passage, radially at predetermined intervals A plurality of projecting engagement protrusions are rotatably supported between the pair of support plates, and the engagement protrusions on one side face the insertion passage and are below the drawer passage. Bundled object provided and inserted into the insertion path A rotation engagement member that is rotated by engagement of the engagement protrusion, and an upper portion that is positioned on a side of the rotation engagement member and is pivotally supported between the pair of support plates. The rotating engagement body has a curved sliding surface that contacts and slides, and the sliding surface sticks and locks the adhesive surface of the adhesive tape over a predetermined length. A fastening member that is a fastening part of the fastening member, a biasing biasing means that biases the sliding surface of the fastening member to press-contact the tip of the engaging protrusion of the rotary engaging member, and the pair of support plates A central part is pivotally supported between the fixing member and is provided below the fixing member, and is also urged by a return urging means so that the lower end of the force point side always faces the insertion path. The cutter blade attached to the upper end is engaged with the object to be bound that is inserted into the insertion passage and is rocked. A tape cutting lever that appears and cuts in the lower insertion path and cuts the adhesive tape, and the drawer path has at least one side in the longitudinal direction of the adhesive tape, and the side edge of the tape has a predetermined width on the adhesive surface side. A superposed part forming means for forming a superposed part that turns back and becomes a non-adhesive knob is provided.
[0009]
The adhesive tape cutter for bundling of the invention according to claim 2 is characterized in that the sliding surface of the fastening member is formed to face the sticking surface remaining on the adhesive tape on which the overlapping portion is formed. And
[0010]
In the adhesive tape cutter for bundling of the invention according to claim 3, one end is fixed to the upper part of the fastening member, and the other end extends to the upper part of the sliding surface of the fastening member, A leaf spring is provided, which is pressure-bonded to the front end of the engaging protrusion and sandwiches the adhesive tape with the front end of the engaging protrusion.
[0011]
The adhesive tape cutter for bundling of the invention according to claim 4 is characterized in that the pressing member biasing means of the fastening member includes a first spring of low resilience that biases the fastening member over the entire swing range thereof. A second spring having a high resilience that functions after the fastening member exceeds a predetermined swinging amount, and the tape cutting lever is located on the opposite side of the fastening member across the insertion path of the object to be bound. It is arranged.
[0012]
In the adhesive tape cutter for bundling of the invention according to claim 5, the overlapping portion forming means folds the side edge of the adhesive tape drawn out from the tape winding body and inserted into the drawer passage upward by a predetermined width. It is characterized by comprising a width regulating member that regulates the width of the drawer passage to be narrower than the width of the adhesive tape in order to be polymerized.
[0013]
The adhesive tape cutter for bundling of the invention according to claim 6 is positioned closer to the tape support portion at the rear than the arrangement position of the width restricting member in the drawer passage, and in the narrow width portion formed by the width restricting member. A guide member for inserting and guiding the adhesive tape guided to the top from the upper side is provided.
[0014]
The adhesive tape cutter for bundling of the invention according to claim 7 is characterized in that a taper surface that gradually narrows the width of the narrow width portion is provided in the adhesive tape introduction portion on the upper rear side of the width regulating member. To do.
[0015]
In the adhesive tape cutter for bundling of the invention according to claim 8, the overlapping portion forming means is an adhesive surface side member disposed on the adhesive surface side of the adhesive tape and a non-adhesive surface side member disposed on the non-adhesive surface side. The pressure-sensitive adhesive tape is inserted into and pulled out between the two members while pressing and contacting the adhesive-side member and the non-adhesive-side member. A side edge is folded back to the pressure-sensitive adhesive surface side with a predetermined width to form a superposed portion that becomes a non-adhesive portion, and adhesion that contacts the pressure-sensitive adhesive surface side leaving a predetermined bending width at the side edge portion of the pressure-sensitive adhesive tape A folding roller as a surface-side member, and a pressure roller that is disposed opposite to the end surface of the folding roller and is not in contact with the folding roller, and is in contact with the non-adhesive surface of the predetermined folding width portion of the adhesive tape side edge. Bend the side edges A bending guide piece as the non-adhesive surface side member that is sandwiched between the end surface of the roller and bent to the adhesive surface side with the predetermined width, and the non-adhesive surface side of the bent adhesive tape side edge is pressed and contacted A folded back guide piece as the adhesive surface side member disposed on the adhesive surface side of the pressure-sensitive adhesive tape, having a guide portion where the side edge is folded at an acute angle, and a non-adhesive surface of the pressure-sensitive adhesive tape with the side edge folded back The adhesive surface side member comprises a bonding means as the non-adhesive surface side member that is bonded to each other by polymerizing and bonding the opposing adhesive surfaces of the adhesive tape whose side edges are folded back. The opening / closing cover is supported by a movable opening / closing cover, and is provided so as to be movable between a closed position where the adhesive surface side member is pressed into contact with the inserted adhesive tape and an open position where the adhesive surface member is not pressed. The open position In characterized in that the adhesive surface side member is separated from the non-adhesive side member to open the insertion path of the adhesive tape.
[0016]
In the adhesive tape cutter for bundling of the invention according to claim 9, the folding guide piece includes a first guide portion that guides the folding angle of the side edge of the adhesive tape to about 135 degrees, and a second guide section that folds back to about 180 degrees. And a guide portion.
[0017]
The adhesive tape cutter for bundling of the invention according to claim 10 is a guide for guiding the bending angle of the side edge to approximately 120 degrees by contacting the bending guide piece with the non-adhesive surface of the bent adhesive tape side edge. The protrusion is formed as a protrusion.
[0018]
An adhesive tape cutter for bundling according to an eleventh aspect of the present invention is characterized in that the opening / closing cover is pivoted laterally with respect to the insertion direction of the adhesive tape to be opened and closed.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of an adhesive tape cutter and an adhesive tape according to the present invention will be described in detail with reference to the accompanying drawings.
[0020]
=== First Embodiment ===
1 to 8 show a first embodiment of an adhesive tape cutter for bundling according to the present invention, FIG. 1 is a front view showing the appearance, FIG. 2 is a plan view, and FIG. 3 is a left side in FIG. 4 is a diagram showing the inside of the support plate in FIG. 1 with the front support plate removed, FIG. 5 is an enlarged view of the main part in FIG. 4, and FIGS. FIG.
[0021]
As shown in the figure, the bundling adhesive tape cutter 10 includes a pair of support plates 12a and 12b arranged to face each other at a predetermined interval. The support plates 12a and 12b are connected in parallel by various support shafts and bolts, which will be described later, and leg portions 14 that are integrally formed by being horizontally bent outwardly at the respective lower ends thereof. Have.
[0022]
Between the support plates 12a and 12b, a tape support portion 16 that rotatably supports an adhesive tape winding body 4 formed by winding a long tape 2 having one surface as an adhesive surface in a roll shape is provided on one side thereof. It is located and provided. The tape support portion 16 includes at least two support rollers 18a and 18b that lock the upper portion of the tape winding body 4, and a support lever 20 that locks the lower portion of the tape winding body 4 so that the tape winding body 4 does not jump out. The support rollers 18a and 18b are rotatably supported by support shafts 22a and 22b fixed to at least one of the pair of support plates 12a and 12b.
[0023]
The support lever 20 is sandwiched between the support plates 12a and 12b, and one end 20a is pivotally supported on a support shaft 22c attached to a central portion below the support plates 12a and 12b. The other end extends laterally toward the lower side of the support rollers 18a and 18b. A biasing spring 24 that biases the other end 20 b of the support lever 20 to rotate upward is provided at a substantially central portion of the support lever 20. The tape winding body 4 is pressed and locked to the two upper support rollers 18a and 18b to prevent the tape winding body 4 from jumping out between the support plates 12a and 12b. Here, in the illustrated example, a tension coil spring is used as the urging spring 24, its lower end is locked to the support lever 20, and its upper end extends upwardly between the support plates 12a and 12b. The both ends are locked to pins 26 fixed. In addition, a stopper 28 is provided above the support lever 20 so as to be positioned on the side of the biasing spring 24 and fixed to the support plate 12b. When the tape winding body 4 is removed by the stopper 28, the support lever 20 is supported. 20 is prevented from rotating more than necessary. Further, the tip of the swinging side of the other end of the support lever 20 is bent downward so that the tape wound body 4 can be easily inserted.
[0024]
That is, by configuring the tape support portion 16 in this way, an adhesive tape winding is achieved without a structure in which the center portion of the tape winding body 4 that has been conventionally used is supported by a rotating body such as a support drum. The attachment body 4 can be held in close contact with the two support rollers 18a and 18b against the tension of the tape so as to be rotatable and easily removable.
[0025]
Note that positioning flanges 18aa and 18ba in the tape width direction are formed at one end of the support rollers 18a and 18b in an enlarged diameter. In the illustrated example, the flanges 18aa and 18ba are provided on the support plate 12b side. . On the other hand, the support plate 12a is provided with a pressing member 30 made of a leaf spring for making pressure contact with the outer peripheral edge of the tape winding body 4 and bringing the tape winding body 4 into contact with the flanges 18aa and 18ba. ing.
[0026]
A groove 32 is provided on the other side of the pair of support plates 12a and 12b so as to extend downward from the upper end thereof. The groove portion 32 forms an insertion passage 34 for inserting a binding portion of the article W to be bound, such as an opening portion of a plastic bag, downward from an insertion opening 32a formed in the upper end portion of the groove portion 32. The object to be bound W is inserted and inserted along the insertion path 34 and is pulled out laterally from a take-out port 32b that is enlarged at the lower end.
[0027]
Then, a drawing passage 36 for guiding the tip of the adhesive tape 2 drawn out from the tape wound body 4 supported by the tape support portion 16 with the adhesive surface 2b facing upward to the insertion passage 34 is provided on the support plates 12a and 12b. It is formed between. In the drawer passage 36, a guide roller 33 for drawing out the adhesive tape 2 is provided on the side of the support roller 18b above the support plates 12a and 12b, and the adhesive drawn out from the tape winding body 4 is provided. The tape 2 is reversed so that the non-adhesive surface 2a side is wound around the support roller 18b and the drawing-out guide roller 32 and the adhesive surface 2b side is on the upper side.
[0028]
Further, at the end of the drawer passage 36 on the side of the insertion path, the one side edge in the width direction of the adhesive tape 2 drawn out from the tape winding body 4 and inserted into the drawer passage 36 is set upward with a predetermined width. A superposed part forming means 60 is provided for forming the adherend part along the side edge in the longitudinal direction of the pressure-sensitive adhesive tape 2 by overlapping and polymerizing the pressure-sensitive adhesive surfaces 2b. In the present embodiment, the overlapping portion forming means 60 sets the pull-out passage width 36 to the pressure-sensitive adhesive tape 2 so that the side edge portion 2c of the pressure-sensitive adhesive tape 2 inserted through the pull-out passage 36 is folded back and overlapped with a predetermined width. The width restricting member 62 is configured to restrict the width to be narrower than the width of the guide member. The width restricting member 62 is located on the insertion plate side end of the drawer passage 36 and is provided on the support plate 12b side. Yes.
[0029]
Here, desirably, the adhesive tape 2 is smoothly introduced into the narrow width portion 36a of the drawer passage 36 formed by the width regulating member 62, and the tape side edge 2c on the width regulating member 62 side is set to a predetermined width. In order to bend and guide the upper side at the upper side, the thickness of the adhesive tape introduction part on the upper rear side located on the tape support part side and the upper side is gradually reduced in the width regulating member 62. It is preferable to provide a tapered surface inclined so that the groove width on the insertion passage 34 side is gradually narrowed.
[0030]
In addition, it is preferable that the height of the upper end portion of the pull-out guide roller 33 is higher than the upper edge portion of the width regulating member 62 so that the adhesive tape 2 enters the narrow width portion 36a obliquely from above. In other words, the pull-out guide roller 33 is positioned closer to the tape support portion at the rear side in the tape pull-out direction than the arrangement position of the width restricting member 62 in the pull-out passage 32, and is formed by the width restricting member 62. The guide member is a guide member that inserts and guides the adhesive tape 2 guided into the width portion 36a from above, and the guide member is not limited to the guide roller 33 and can be a guide pin.
[0031]
Further, the narrow-width portion 36a has an impeller-like rotational engagement member 40 having a large number of engagement projections 40a projecting radially at a predetermined interval so as to be freely rotatable between the pair of support plates 12a and 12b. The pressure-sensitive adhesive tape 2 is wound around the distal end of the engagement protrusion 40 a of the rotation engagement member 40 and guided into the insertion path 32. Here, the rotation engaging member 40 has an engaging protrusion 42 a on one side thereof facing the inside of the insertion passage 32 and is provided below the narrow portion 36 a of the drawing passage 36. The engagement protrusion 40a is engaged with the object W to be inserted and inserted from above, and is pushed downward by the object W to be rotated. At this time, the object to be bound W pushes the rotary engagement member 40 by pressing the adhesive tape 2 wound around the tip of the engagement protrusion 40a of the rotation engagement member 40 between the engagement protrusions 40a and 40a. . Then, due to the tension acting on the adhesive tape 2 at this time, the side edge 2c of the adhesive tape 2 bent upward in the narrow width portion 36a is folded back at a predetermined width of 180 ° and polymerized, and the adhesive surfaces are pressure-bonded. As a result, the bonded portion 2d is continuously formed (see FIGS. 6 (1) and (2)).
[0032]
On the other hand, the adhesive surface 2b side of the front end portion of the adhesive tape 2 is pasted over a predetermined length at a side position of the rotational engagement member 40 with the insertion groove 32 interposed therebetween. A fastening member 42 that is worn and fastened is provided. The fastening member 42 is swingably provided with its upper part pivotally supported on a support shaft 43 provided between the pair of support plates 12a and 12b. Then, the side surface portion of the fastening member 42 facing the rotation engagement body 40 abuts on the tip of the engagement protrusion 40a of the rotation engagement body 40 and is curved in a concave shape so as to allow the engagement protrusion 40a to rotate and slide. The sliding surface 42a is a fastening portion for sticking and locking the adhesive surface 2b of the adhesive tape 2 over a predetermined length.
[0033]
Here, the sliding surface 42a is formed so that the width thereof is narrower than the width of the narrow portion 36a. That is, the width of the sliding surface 42a is narrower than the width of the tape after the folding by the width of the side edge 2c that has been folded to become the bonded portion 2d, and the width of the remaining adhesive surface 2b. It is equivalent. That is, since the tape thickness of the adherend portion 2d formed by folding the side edge portion 2c is doubled, the slide surface 42a is provided only on the adhesive surface 2b portion, avoiding the adherend portion 2d having no adhesive force. A stepped portion 42b is formed on the side of the sliding surface 42a to allow the two bonded portions 2d to escape.
[0034]
In addition, the curved sliding surface 42a is formed such that the lower portion thereof has a larger curvature than the upper portion. Therefore, the tip of the engaging protrusion 40a abuts on the lower portion approximately from half to the upper portion. The engagement protrusion 40a is not in contact with the portion but is in a separated state. In the separated portion, a leaf spring 45 that is always pressed against the tip of the engagement protrusion 40a of the rotary engagement member 40 and engages the adhesive tape 2 is cantilevered at the top of the fastening member 42. It is fixed by and extended and inserted. That is, one end is fixed to the upper part of the fastening member 42, the other end extends to the upper part of the sliding surface 42a of the fastening member 42, and is crimped to the distal end of the engaging projection 40a of the rotary engaging member 40. A leaf spring 45 is provided to hold the adhesive tape 2 between the tips of the engaging protrusions 40a.
The fastening member 42 is provided with a pressing urging means 44 that urges the sliding surface 42 a to press against the distal end of the engaging protrusion 40 a of the rotary engaging member 40. That is, the lower end portion of the sliding surface 42a of the fastening member 42 is urged by the pressure contact urging means 44 and protrudes into the insertion passage 34, and when the article W to be bound is inserted from above, The object to be bound W comes into contact with the lower end portion protruding into the insertion path 34 and is pushed back between the side support plates 12a and 12b so as to be retracted from the insertion path 34. As will be described in detail later, when the article to be bound W is pushed down to the lower side of the fastening member 42, the adhesive tape 2 is wound around the binding part that has moved in the insertion path 34 in an annular shape and is bound. (See FIGS. 6 to 8).
[0035]
Further, below the fastening member 42 and the rotation engaging member 40, a tape cutting lever 50 is provided to be swingably supported by a support shaft 51 spanned between the support plates 12a and 12b. . In the illustrated example, the tape cutting lever 50 is disposed on the opposite side of the fastening member 42 with the insertion path 36 of the object W to be bound sandwiched therebetween. The support shaft 51 is provided in the vicinity of the insertion passage 34, one end portion 50a serving as a force application portion extends into the side insertion passage 34, and the other end portion 50b serving as an action point portion is directed upward. It bends and extends just below the rotation engagement member 40, and is bent in a substantially L shape. The tape cutting lever 50 is urged by the return urging means 52 so that the lower force point side end portion 50a thereof always faces the insertion passage 34, and the force point side end portion 50a is inserted into the insertion passage 34. The cutter blade 54 attached to the upper action point side end 50b is inserted into the insertion path 34 directly below the fixing member 42 by being engaged with and swung by the object W to be inserted and moved downward. The adhesive tape 2 is cut off.
[0036]
Further, a tension coil spring is used for the return biasing means 52. One end of the tension coil spring 52 is locked to the lower part of the bent portion of the cutting lever 50, and the other end is the above-described support shaft. 22c. Further, above the take-out port 32b formed in the lower end portion of the insertion passage 34, it abuts on the lower surface of the cutting lever 50 and restricts excessive rotation of the cutting lever 50, and the force point side end portion 50a thereof is A stopper pin 53 is provided to stop and lock in the insertion groove 34.
[0037]
Here, the pressing biasing means 44 of the fastening member 42 includes a first spring 46 having a low elastic coefficient and a low elastic force that biases the fastening member 42 over the entire swinging range thereof. The fastening member 42 includes a second spring 48 having a high elastic coefficient and a high elasticity that functions by generating a resilient force after the predetermined swing amount is exceeded. That is, as shown in FIG. 8, when the member W to be bound pushes the rotary engagement member 40 and reaches the lower part, it is detached from the engagement projection 40a and the fixing member 42 is pushed to the side and further downward. However, when the member W to be bound is pulled out below the fastening member 42, if only the first spring 46 having low elasticity is used, the tension of the adhesive tape 2 causes the tension of the fastening member 42. As a result, the lower end portion is pressed to the side, and the return of the fastening member 42 becomes unstable. As a result, the cutting length of the adhesive tape 2 that binds the object W to be bound by the cutting lever 50 is constant. I will not.
[0038]
Therefore, a second spring 48 for abutting the fastening member 42 when the fastening member 42 reaches a predetermined amount of swing and increasing the urging force against the fastening member 42 to stabilize the tape cutting length is provided. It is provided. That is, the second spring 48 is fixed to the support plate 12b and fixed at one end to a locking metal fitting 49 provided facing the back surface side of the sliding surface 42a of the fastening member 42, while the other The end is inserted into an engagement hole 42b that is recessed on the back surface side of the sliding surface 42a of the fastening member 42, and the second spring 48 is in a state where the sliding surface 42a is in contact with the engagement protrusion 40a. The other end does not come into contact with the bottom surface of the engagement hole 42b, and there is a slight gap, or the other end is lightly contacted with the bottom surface of the engagement hole 42b without exhibiting elasticity in the natural length. However, when the fastening member 42 is further swung from the state in which the other end of the second spring 48 is in contact with the bottom surface of the engagement hole 42b, a resilient force is exerted to bias the fastening member 42. Is to be strengthened.
[0039]
In addition, a crimping lever 70 is always pressed and abutted against the tip of the force point side end of the cutting lever 50 so that the ends of the separated adhesive tape are crimped to ensure adhesion between the two adhesive surfaces. Is provided. The crimping lever 70 has a lower end portion 70a pivotally supported by a support shaft 72 and is always urged clockwise by a tension coil spring 74, and an upper end portion 70b has a cutting lever 50. The force point side end portion 50a is in press contact with the distal end surface. Both the upper end portion 70b of the pressure-bonding lever 70 and the tip end surface of the force point side end portion 50a of the cutting lever 50 that are in contact with each other are formed in an arc surface, and the tip end surface of the force point side end portion 50a is semicircular. ing. That is, when the object to be bound W pushes down the cutting lever 50 and reaches the contact portion with the pressure-bonding lever 70, the upper end portion 70b of the pressure-bonding lever 70 is pushed back by the object W The object to be bound W passes through the space 50a. Then, when the article to be bound W passes, the adhesive tape 2 that wraps around and binds around the binding part of the object to be bound W is sandwiched between the force point side end portions 50a and pressed from both sides to be pressure-bonded. The cutter blade 54 of the lever 50 cuts the adhesive tape 2. The cut adhesive tape 2 is pulled out between the pressure-bonding lever 70 and the force point side end 50a, and the adhesive surfaces are surely pressed and bonded over the entire length.
[0040]
6 to 8 sequentially show a process in which the adhesive tape is wound around and bound around the binding portion of the object to be bound W. (In addition, in these FIGS. 6-8, the 2nd spring 48 which urges | biases the fastening member 42 may be omitted.) That is, as shown to (1) of FIG. When the adhesive tape 2 is inserted into the insertion passage, the tip of the adhesive tape 2 is stuck to the sliding surface 42a of the fastening member 42 over a predetermined length, and between the tips of the engagement protrusions 40a of the rotation engaging member 40. It is laid around. In this state, when the object to be bound W is inserted into the insertion passage 34 and is inserted downward, the object to be bound W enters the recess formed between the engaging protrusions 40a and the rotational engagement member is moved. Push it around. At this time, the front end of the engagement protrusion 40a with which the object to be bound W abuts is in contact with the leaf spring 45, and the front end of the preceding previous engagement protrusion 40a is on the sliding surface 42a of the fastening member 42. They are in contact (see (2) and (3) in FIG. 6).
[0041]
As the rotation engagement member 40 rotates, the adhesive protrusion sandwiched between the engagement protrusions 40a that abut against the leaf spring 45 and affix the adhesive tape to the leaf spring. Further, the preceding engaging protrusion 40a slides on the adherend surface 2a of the adhesive tape 2 adhered to the sliding surface of the fastening member 42, and the adhesive surface 2b is pressed against the sliding surface to ensure adhesion. I will make it. Eventually, the preceding engaging protrusion 40a is detached from the lower end of the sliding surface 42a of the fastening member 42, while the engaging protrusion 40a with which the object to be bound W abuts is detached from the leaf spring 45 and slid through the adhesive tape 2. It contacts the moving surface 42a. Then, the adhesive tape 2 previously attached to the leaf spring 45 is gradually peeled off and wound around the binding portion of the article to be bound W while being reversed. At this time, if there are two non-adhesive portions 2d stacked on the side, the flexibility of the non-adhesive portion 2d is reduced and the adhesive tape 2 is difficult to reverse, but the adhesive surface 2b is a leaf spring. 45, the adhesive tape can be easily and smoothly reversed even when there is a polymerized non-adhesive portion 2d and can be wound around the object to be bound W (FIG. 6). (See (3), (4) and (5) of FIG. 7).
[0042]
When the rotary engaging member 40 is further rotated, the engaging protrusion 40a with which the bound portion W comes into contact slides on the non-adhesive surface 2a of the adhesive tape 2 attached to the sliding surface 42a. On the other hand, the tip of the subsequent engagement protrusion 40a comes into contact with the leaf spring 45, and the adhesive tape 2 is sandwiched between the leaf spring 45 and locked. At this time, the pressure-sensitive adhesive tape 2 is pulled out of the tape winding body 4 by being pulled by the object to be bound W, and the pressure-sensitive adhesive tape 2 is a leaf spring due to the tension acting on the pressure-sensitive adhesive tape 2 when being pulled out. 45 is wound in a state where it is stretched between the tips of the subsequent engagement projections 40a without being attached to 45, and the side edge portion 2c of the adhesive tape 2 in the narrow width portion 36a of the drawer passage 36 is a width regulating member. The adhesive surface is folded by 62 and further folded by the tension acting on the adhesive tape, and the adhesive surfaces are overlapped with each other, and the portions in contact with the engaging protrusions 40a are bonded together to form a non-adhesive portion. (See (5) to (7) in FIG. 7).
[0043]
When the rotation engagement member 40 further rotates, the engagement protrusion 40a immediately behind the object to be bound W is detached from the leaf spring 45 and comes into contact with the sliding surface 42a of the fastening member 42, thereby sliding. The pressure-sensitive adhesive surface 2b of the pressure-sensitive adhesive tape that is locked to the tip of the engagement protrusion 40a is pressed against the pressure-sensitive adhesive surface 2b of the pressure-sensitive adhesive tape 2 that is peeled off from the surface 42a and temporarily fixed. At substantially the same time, the engaging protrusion 40a immediately before the object to be bundled W comes in contact with the sliding surface 42a (see (8) in FIG. 7). Up to this point, the fixing member 42 has been urged by the first spring 46 and the sliding surface 42 a is in contact with the engaging protrusion 40 a with a relatively weak elastic force. Since the frictional braking force is small, the rotation of the rotation engagement member 40 by the bundling member W is small, and the operation force is reduced.
[0044]
Further, when the immediately preceding engaging protrusion 40a is detached from the sliding surface 42a as described above, the object W to be bound directly contacts the lower end portion of the sliding surface 42a of the fixing member 42, and the fixing member 42 is moved to the first position. 1, while swinging in the lateral direction against the urging force of the second spring, it comes out below the fastening member 42, and after the fastening, the fastening member 42 comes into contact with the engagement protrusion 40 a again ( (See (9) to (10) in FIG. 8).
[0045]
When the object to be bound is further moved downward, the rotary engaging member 40 around which the adhesive tape 2 is wound rotates together with the adhesive tape 2 drawn out from the tape winding body 4, and the tip of the sliding surface 42a. The pressure-sensitive adhesive surface 2b of the pressure-sensitive adhesive tape 2 drawn downward is reversed while the pressure-sensitive adhesive tape 2 that has already been pulled out attached to the sliding surface 42a is peeled off. It will be pasted together. At this time, since the adhesive tape 2 attached to the sliding surface 42a is reversed and the adherend surfaces 2a are slid together, the adhesive tape 2 can be pulled out smoothly without resistance. Further, when the adhesive tape 2 attached to the sliding surface 42a side is polymerized while being peeled over its entire length, and pulled out downward by a predetermined length, the object to be bound W moves the cutting lever 50. By pushing and rotating, the cutter blade 54 cuts the adhesive tape immediately below the lower end portion of the fastening member 42. Here, immediately after the cutting, the tension acting on the adhesive tape 2 drawn out from the tape winding body 4 is released, and the adhesive tape 2 tries to shrink at a time. Since the tape 2 is sandwiched and locked at two locations between the sliding surface 42a and the engaging protrusion 40a and between the leaf spring 45 and the engaging protrusion 40a, the tape 2 is pressed by the spring back of the adhesive tape. It can prevent that the said adhesive tape 2 remove | deviates from the rotation engaging member 40 and the fastening member 42, and will be in the state shown to (1) of FIG. 6 after a cutting | disconnection.
[0046]
Therefore, as is apparent from the above description, according to this adhesive tape cutter 10 for bundling, it was folded and polymerized to the longitudinal side portion of the adhesive tape 2 drawn out from the tape wound body 4 with the adhesive surface 2b facing upward. By continuously forming the non-adhesive portion 2d, the adhesive tape 2 can be stably and securely bound to the binding site of the article W to be bound, and the adhesive tape 2 that has been bound after peeling can be peeled off without being bonded. The part 2d can be easily picked up.
[0047]
=== Second Embodiment ===
9 to 16 show a second embodiment of the present invention. FIG. 9 is a front view showing an appearance thereof, FIG. 10 is a plan view, FIG. 11 is a left side view in FIG. FIG. 13 is a perspective view showing a side edge folding polymerization mechanism forming a superposition part forming means provided at the upper part in FIG. 12, and FIG. 14 is the side edge folding polymerization. FIG. 15 is a vertical sectional view showing an inclined guide portion in the folding mechanism portion of the side edge folding polymerization mechanism, and FIG. 16 is a notch guide portion in the folding mechanism portion of the side edge folding polymerization mechanism. FIG.
[0048]
Here, the second embodiment is different from the first embodiment described above in the overlapping portion forming means. That is, in the first embodiment, the width regulating member 62 that forms the narrow width portion 36a of the pull-out passage 36 is the overlapping portion forming means 60. However, in the first embodiment, the non-adhesive portion 2d that is overlapped is formed. There is a concern that some wrinkles become wakame-like. This is because when the side edge portion 2c is superposed and attached to one side of the adhesive tape 2 to be pulled out, the first portion that comes into contact with the rotation engagement member 40 and the engagement protrusion 40a is first intermittently pasted together. It is because it ends.
[0049]
For this reason, in the second embodiment, the side edge folding polymerization mechanism that continuously folds the side edge part in the middle of the pull-out passage 36 of the first embodiment and superposes it so that the non-adhesive part 2d can be formed more beautifully. 80 is additionally provided, and only the components of the side edge folding polymerization mechanism 80 are different from the first embodiment. Therefore, only the side edge folding mechanism 80 portion will be described below, and the same reference numerals are given to the same components as those in the first embodiment, and the description thereof will be omitted. 5 to 8 of the first embodiment described above and the description thereof are common to the second embodiment.
[0050]
As shown in FIGS. 9 to 16, in the adhesive tape cutter 10A for bundling according to the second embodiment, upper central portions of the pair of support plates 12a and 12b are formed to extend upward in a rectangular shape. A side edge folding polymerization mechanism 80 is provided between the outlet portions 12aA and 12bA. Here, the extending portion 12bA of the support plate 12b can be opened and closed laterally by a hinge 124, and the upper end portion thereof is bent in an L shape to form a top plate portion 125, which serves as an opening / closing cover. ing. The top plate portion 125 is provided with a lock means 128 that engages the lock piece 127 with an engagement hole 126 formed in the extension portion 12aA of the support plate 12a to detachably engage the opening / closing cover 12bA. It has been. Reference numeral 127 a denotes an operation knob for the lock piece 127 provided so as to protrude from the top plate portion 125.
[0051]
The side edge folding polymerization mechanism 80 includes an adhesive surface side member disposed on the adhesion (adhesion) surface 2b side and a non-adhesion surface side disposed on the non-adhesion surface 2a side in the drawing passage 36 of the adhesive tape 2. The adhesive tape 2 is inserted into and pulled out between the two members while pressing and contacting the adhesive surface side member and the non-adhesive surface side member, so that at least one side in the longitudinal direction of the adhesive tape 2 The side edge portion 2c is folded back to the adhesive surface 2b side with a predetermined width to form a superposed portion that becomes the non-adhesive portion 2d.
[0052]
As shown in FIGS. 12 to 16, the side edge folding polymerization mechanism 80 is a folding mechanism that bends the side edge 2 c on one side in the longitudinal direction of the drawn adhesive tape 2 to approximately 90 degrees above the adhesive surface 2 b side. Part 90, the folded side edge part 2c is further folded back to about 180 degrees so that the adhesive surfaces 2b face each other, and the bonding means 110 for superposing and bonding the adhesive surfaces 2b that face each other. It consists of.
[0053]
The bending mechanism 90 includes a positioning roller 91 as positioning means, a bending roller 92 as bending means, and a bending guide piece 94. The positioning roller 91 is provided between the tape support portion 16 and the folding roller 92 and positions the supply position of the adhesive tape 2 drawn from the adhesive tape winding body 4 to the folding roller 92, and is tapered. The roller main body 91a and a flange 91b provided at the end of the roller main body 91a are rotatably supported and attached to both the support plates 12a and 12b. The non-adhesive surface 2a of the adhesive tape 2 drawn out from the adhesive tape winding body 4 is in press contact with the roller body 91, and one side end of the adhesive tape 2 is in contact with the flange 91b. ing. The pressure-sensitive adhesive tape 2 drawn out from the pressure-sensitive adhesive tape wound body 4 is directed toward the bending roller 92, and its height position and width direction position are positioned and guided.
[0054]
The folding roller 92 is positioned between the folding mechanism unit 100 and the positioning roller 91 and is rotatably supported on the opening / closing cover 12bA. One end 92a of the folding roller 92 is located on the adhesive surface 2b of the adhesive tape 2 inserted through the drawer passage 36, and the adhesive surface side is left with a predetermined folding width at one side of the adhesive tape 2. Press contact. That is, as illustrated in FIG. 14, the outer peripheral surface 92 b of the folding roller 92 is not in contact with the adhesive surface 2 b of the adhesive tape 2 drawn out from the adhesive tape winding body 4 over its entire width. It is in contact with only the predetermined range portion and is not in contact with the adhesive surface 2b of the side edge portion 2c having a predetermined bending width. In addition, a large number of grooves are formed in the outer peripheral surface 92b, and the contact area with the adhesive surface 2b is reduced to prevent the adhesive tape 2 from being bonded. Then, one side portion of the adhesive tape 2 guided by the positioning roller 91 is bent at the end surface 92a portion, and is guided toward the folding mechanism portion 100 in this bent state. In the present embodiment, the folding roller 92 is formed in a cylindrical shape, but the present invention is not limited to this, and the bending roller 92 may be a disk-shaped one having a thin outer peripheral surface that is in contact with a predetermined position of the adhesive surface 2b of the adhesive tape 2. Good.
[0055]
Also. In order to bend the side edge 2c of the adhesive tape 2 that is disposed opposite to the end surface 92a of the folding roller 92 and is not in contact with the folding roller 92 to the adhesive surface 2b side with a predetermined folding width, the side edge of the folding width portion Bending as a non-adhesive surface side member that presses and contacts the non-adhesive surface 2b side of the portion 2c and folds the side edge portion 2c between the end surface 92a of the bending roller 92 to the adhesive surface 2b side with a predetermined width. A guide piece 94 is provided on the support plate 12b. Here, the bending guide piece 94 extends further outward in the radial direction of the roller 92 toward the folding mechanism 20 side than the outer peripheral edge of the end surface of the bending roller 92, and has an extended end portion of approximately 90 degrees. In contact with the non-adhesive surface 2b of the side edge 2c of the folded adhesive tape 2, the bending angle θ of the side edge 2c is reduced to approximately 120 degrees, that is, to an acute angle of approximately 60 degrees on the adhesive surface side. A guide protrusion 95 for guiding is provided so as to protrude in a triangular shape.
[0056]
The folding mechanism 100 as the folding means is pressed against the non-adhesive surface 2b side of the side edge 2c of the adhesive tape 2 folded as shown in FIGS. 15 and 16, and the side edge 2c is substantially omitted. It is a folding guide piece having a guide portion for folding up to 180 degrees. In this embodiment, as shown in FIG. 15, the folding guide piece has a folding angle θ of the side edge 2c of the adhesive tape 2 of approximately 135 degrees (an acute angle of approximately 45 degrees between the adhesive surfaces). An inclined block 101 as a first guide portion that guides and narrows up to, and a notch block 102 as a second guide portion that is arranged adjacent to the inclined block 101 and guides and folds the bending angle up to approximately 180 degrees. In this embodiment, both blocks 101 and 102 are integrally formed of resin, arranged on the adhesive surface 2a side above the adhesive tape 2, and attached to the opening / closing cover 12bA.
[0057]
That is, the inclined block 101 includes an inclined surface 101a having an acute angle (≈45 degrees) with respect to the adhesive surface 2b of the adhesive tape 2 in the pull-out passage 36, and the notched block 102 is formed in a wedge shape. A pressure roller 103 having an inclined surface 102a and below the notch block 102 is brought into contact with the lower surface 2a of the adhesive tape and presses the adhesive tape 2 against the notch block 102. Is provided with both ends pivotally supported by a pair of support plates 12a and 12b.
[0058]
As shown in FIG. 12, the laminating means 110 superposes and bonds the opposing adhesive surfaces of the adhesive tape 2 with the side edge 2c folded back, and the side edge 2c is folded back. The pressure-sensitive adhesive tape 2 includes at least a pair of upper and lower pressing members disposed on the bonding surface side and the non-bonding surface side. In the second embodiment, the pressing members are pivotally supported by the pair of support plates 12a and 12b. Two lower guide rollers 111 and 112 arranged in parallel below and in the insertion direction on the lower side of the adhesive tape 2 and positioned between the lower guide rollers 111 and 112 and above the adhesive tape. The upper guide roller 113 is provided to be rotatably supported by the opening / closing cover 12bA. The lower guide rollers 111 and 112 and the upper guide roller 113 are in pressure contact with both sides of the adhesive tape 2 with the side edge 2c folded back. Further, when the opening / closing cover 12bA is closed, the outer peripheral surface 42a of the upper guide roller 113 is engaged with the side edge edge portion of the adhesive tape 2 when the opening / closing cover 12bA is closed to guide the bending of the side edge portion 2c. A groove 113a is formed.
[0059]
The opening / closing cover 12bA serving as the opening / closing cover switches between the closed position where the adhesive surface side member attached to the opening / closing cover 12bA is pressed against the adhesive tape 2 inserted through the drawer passage 36 and the open position where no pressure contact is made. The adhesive surface side member is separated from the non-adhesive surface side member to open the drawer passage 36 of the adhesive tape 2 over its entire length. ing. Further, the opening / closing cover 12bA is rotated and moved sideways with respect to the insertion direction of the adhesive tape 2.
[0060]
That is, in this embodiment, as shown in FIGS. 10 and 11, the opening / closing cover 12bA has a lower end portion rotatably attached to the upper end portion of the support plate 12b via the hinge 124, and the opening / closing cover 12bA. The side members of the adhesive surface such as the bending roller 92, the inclined block 101, the notch block 102, and the upper guide roller 113 supported by the opening / closing cover 12bA are moved to the positioning roller 91, the bending guide piece 94, and the press. The roller 103 and the non-bonding surface side members such as the lower guide rollers 111 and 112 are rotated and separated. That is, by opening the opening / closing cover 5, the inclined block 101, the cutout block 102, the bending roller 92, and the upper guide roller 113 are separated from the adhesive tape 2, and the drawing passage 36 of the adhesive tape 2 is opened over the entire length. It is like that.
[0061]
And when setting the adhesive tape 2 to the side edge folding | stacking superposition | polymerization mechanism 80 comprised as mentioned above, the state which floated and stretched the adhesive tape 2 pulled out from the tape winding body 4 on the non-adhesion surface side member While opening and closing, the opening / closing cover 12bA is closed, the tip of the inclined block 101 attached to the opening / closing cover 12bA is inserted into the lower surface of the side edge 2c of the adhesive tape 2, and the edge of the side edge 2c is inserted into the upper guide. The roller 113 is hooked and locked in the locking groove 113a, and the open / close cover is slowly closed in this state. Thereby, the side edge 2c of the adhesive tape 2 whose edge is locked in the locking groove 113a is folded back to the pressure-sensitive adhesive surface side, and the pressure-sensitive adhesive surfaces are superposed. At this time, an error that is larger or smaller than the planned width occurs in the width of the overlapping portion. However, if the adhesive tape 2 is pulled out more than the distance from the positioning roller 91 to the exit of the bonding means 110, the side edge folding polymerization mechanism 80 is obtained. The bending roller 92, the bending guide piece 94, the inclined block 101, the notch block 102, the guide rollers 111, 112, 113, etc. function, and the side edge 2c is gradually smoothed while automatically adjusting the bending width to the predetermined width. The pressure-sensitive adhesive tape 2 having a non-adhered portion 2d in a beautiful folded and polymerized state without wrinkles is continuously fed out while being bent and bent.
[0062]
That is, one side end of the adhesive tape 2, that is, the non-adhesive surface 2 a at the side portion of the inclined tape 101 is in contact with the inclined surface 21 a of the inclined block 101, and one side end of the adhesive tape 2 has the adhesive surface 2 b inside. It will be bent at an acute angle.
[0063]
In the notched block 102, the adhesive tape 2 is introduced in a state of being bent by the inclined block 101, and the degree of bending is gradually increased at the inclined surface 102a, and the adhesive tape 2b is bent until the opposing adhesive surfaces 2b become substantially parallel to each other. It is done. That is, the superposition | polymerization part which makes the adhesive surface 2b an inner side is continuously formed in the one side end of the adhesive tape 2. FIG.
[0064]
Further, the size of the overlapping portion formed by the folding mechanism portion 100 is regulated to a predetermined size by the folding roller 92. That is, as shown in FIG. 14, since the end portion 92a of the bending roller 92 is positioned on the adhesive surface 2b of the adhesive tape 2, the overlapping portion may be bent beyond the end portion 92a. It is regulated so that its dimensions are kept constant.
[0065]
Further, the dimension of the overlapping portion regulated by the folding roller 92 changes depending on the positional relationship in the width direction between the adhesive tape 2 and the folding roller 92. Therefore, in this tape cutter 10A, the position of the adhesive tape 2 in the width direction is regulated by the positioning roller 91 that guides the adhesive tape 2 to the bending roller 92. That is, the side end of the adhesive tape 2 in contact with the flange 91b of the positioning roller 91 tends to move toward the overlapping portion forming side, that is, downward in FIG. 14 due to the tension generated when the overlapping portion is formed. However, since the movement of the side edge of the adhesive tape 2 is restricted by contacting the flange 91b of the positioning roller 91, the position in the width direction of the adhesive tape 2 is always kept constant.
[0066]
As shown in FIG. 12, the adhesive tape 2 in which the overlapping portion is formed by the folding mechanism portion 100 is inserted between the lower guide rollers 111 and 112 and the upper guide roller 113. At this time, the opposing adhesive surfaces 2b of the overlapping portion are pressed against each other by the tension applied by the adhesive tape 2 being pressed against the guide rollers 111, 112, and 113, and one side end of the adhesive surface 2b. That is, the side edge 2c is folded at the side to form a non-adhered portion 2d that is superposed.
[0067]
Such a series of steps is continuously performed by sequentially pulling out the adhesive tape 2 from the adhesive tape wound body 4.
[0068]
Then, the adhesive tape 2 in which the non-adhesive portion 2d is superposed on one side is passed through the narrow portion 36a of the pull-out passage 36, and the leading end thereof is guided onto the insertion passage 34 of the binding member W, and the adhesive tape If the portion to be bound W is inserted and inserted into the insertion path 34 from above 2, the setting of the adhesive tape 2 is completed in the state shown in FIG. 6 (1) described in the first embodiment. Become.
[0069]
Thus, by using this tape cutter 10A, the non-adhesive portion 2d that functions as a knob at the time of peeling is formed on one side end of the adhesive surface 2b of the adhesive tape 2 without generating wrinkle-like wrinkles. It can be formed beautifully and can be stably and reliably wound around the binding site of the object to be bound W, and the adhesive tape can be easily peeled off after wrapping.
[0070]
【The invention's effect】
As described in detail in the above embodiments, according to the adhesive tape cutter for bundling according to the present invention, the adhesive tape is pulled out from the tape wound body with the adhesive surface facing upward, and the adhesive tape is not adhered to the longitudinal side portion. The overlapping portion is continuously formed so that the adhesive tape can be stably and securely bound to the binding site of the object to be bound, and the adhesive tape can be easily peeled off after ripening.
[Brief description of the drawings]
FIG. 1 is a front view showing an external appearance of a first embodiment of an adhesive tape cutter for bundling according to the present invention.
FIG. 2 is a plan view of the tape cutter of FIG.
FIG. 3 is a left side view in FIG. 1;
4 is a view showing the inside of the support plate in FIG. 1 with the front support plate removed. FIG.
FIG. 5 is an enlarged view showing a main part in FIG. 4;
FIG. 6 is a diagram illustrating step by step a process of bundling operation by the tape cutter shown in FIGS. 1 to 5;
FIG. 7 is a view for explaining stepwise the process of bundling operation by the tape cutter shown in FIGS. 1 to 5;
FIG. 8 is a view for explaining stepwise the process of bundling operation by the tape cutter shown in FIGS. 1 to 5;
FIG. 9 is a front view showing an external appearance of a second embodiment of a binding pressure-sensitive adhesive tape cutter according to the present invention.
10 is a plan view of the tape cutter of FIG. 9. FIG.
11 is a left side view in FIG. 9. FIG.
12 is a view showing the inside of the support plate in FIG. 9 with the front support plate removed.
13 is a perspective view showing a side edge folding superposition mechanism that constitutes a superposition part forming means provided in the upper part in FIG. 12;
FIG. 14 is a plan view showing a folding mechanism portion of the side edge folding polymerization mechanism.
FIG. 15 is a longitudinal sectional view showing an inclined guide portion in a folding mechanism portion of the side edge folding polymerization mechanism.
FIG. 16 is a longitudinal sectional view showing a notch guide portion in a folding mechanism portion of the side edge folding polymerization mechanism.
[Explanation of symbols]
W Bundled material
2 Adhesive tape
2a Non-adhesive surface of adhesive tape (non-adhesive surface)
2b Adhesive surface (adhesive surface) of adhesive tape
2c Side edge of adhesive tape (folding side)
2d Non-adhesive part (polymerization part) of adhesive tape
4 Tape wound body
10,10A Bonding adhesive tape cutter
12 Support plate 12bA Open / close cover
16 Tape support
32 Groove 32a Insertion slot
33 Guide member 34 Insertion path
36 Drawer passage 36a Narrow part
40 Rotating engagement member 40a Engagement protrusion
42 Fastening member 42a Sliding surface (fastening portion)
44 Biasing means for pressure contact 45 Leaf spring
46 1st spring 48 2nd spring
50 Tape cutting lever
52 Biasing means for return (pulling coil spring)
54 Cutter blade 60 Overlapping part forming means
62 Width regulating member 92 Bending roller
94 Bending guide piece 95 Guide protrusion
100 Folding mechanism (folding guide piece)
101 1st guide part
102 2nd guide part
110 Bonding means
111, 112 Lower roller
113 Upper roller

Claims (11)

所定間隔を隔てて対向配置された一対の支持板と、
該支持板間に設けられて、片面が粘着面のテープをロール状に巻いてなる粘着テープ巻付体を回転自在に支持するテープ支持部と、
該一対の支持板に設けられた溝部によって形成され、被結束物の結束部位を上端部の挿入口から下方に向けて挿通するための挿通路と、
該テープ支持部に支持されたテープ巻付体から該粘着面を上側にして引き出される粘着テープの先端を該挿通路に案内する引き出し通路と、
所定間隔で放射状に突出する多数の係合突起を有して該一対の支持板間に回転自在に軸支されるとともに、一側部の該係合突起が該挿通路内に臨まされて該引き出し通路の下方に設けられ、該挿通路内に挿入される被結束物に該係合突起が係合して回転される回転係合部材と、
該回転係合部材の側方に位置されて該一対の支持板間に上部が揺動自在に軸支されて設けられるとともに、該回転係合体の係合突起先端が当接して摺動する湾曲した摺動面を有し、該摺動面が粘着テープの粘着面を所定の長さに亘って貼着係止するための止着部とされた止着部材と、
該止着部材の摺動面を該回転係合部材の係合突起先端に圧接させるべく付勢する圧接用付勢手段と、
該一対の支持板間に中央部が揺動自在に軸支されて該止着部材よりも下方に設けられるとともに、下端の力点側が該挿通路内に常時臨むように復帰用付勢手段によって付勢され、該力点側が該挿通路内に挿通される被結束物に係合して揺動されることにより上端部に取り付けられたカッター刃が該止着部材直下の挿通路内に出没して粘着テープを切断するテープ切断レバーとを備え、
該引き出し通路には、該粘着テープの長手方向の少なくとも一側に、その側縁を所定幅で粘着面側に折り返して非接着の摘み部となる重合部を形成する重合部形成手段が設けられていることを特徴とする結束用粘着テープカッター。A pair of support plates opposed to each other at a predetermined interval;
A tape support portion provided between the support plates and rotatably supporting an adhesive tape winding body formed by winding a tape having an adhesive surface on one side in a roll;
An insertion passage formed by a groove portion provided in the pair of support plates, and for passing the binding portion of the object to be bound downward from the insertion port of the upper end portion;
A draw-out path for guiding the tip of the adhesive tape drawn out from the tape wound body supported by the tape support section with the adhesive surface facing upward to the insertion path;
A plurality of engaging projections projecting radially at a predetermined interval are rotatably supported between the pair of support plates, and the engaging projection on one side faces the insertion passage and A rotary engagement member provided below the pull-out passage and rotated by the engagement protrusion engaging with the object to be bound inserted into the insertion passage;
A curve that is positioned on the side of the rotation engagement member and is pivotally supported between the pair of support plates so that the upper end of the rotation engagement member is swingable. A fastening member having a sliding surface, the sliding surface being a fastening portion for sticking and locking the adhesive surface of the adhesive tape over a predetermined length;
Pressure contact biasing means for biasing the sliding surface of the fastening member to press contact with the tip of the engagement protrusion of the rotary engagement member;
A central portion is pivotally supported between the pair of support plates so as to be provided below the fixing member, and is attached by a return biasing means so that the power point side of the lower end always faces the insertion path. As a result, the cutter blade attached to the upper end part appears and disappears in the insertion path directly below the fixing member as the force point side engages and swings with the object to be bundled inserted into the insertion path. A tape cutting lever for cutting the adhesive tape,
The draw-out passage is provided with at least one side in the longitudinal direction of the pressure-sensitive adhesive tape with a superposed portion forming means for forming a superposed portion that becomes a non-adhesive knob by folding the side edge to the pressure-sensitive adhesive surface side with a predetermined width. An adhesive tape cutter for bundling. 前記止着部材の摺動面が、前記重合部が形成された粘着テープに残存する貼着面のみに対面するように形成されていることを特徴とする請求項１に記載の結束用粘着テープカッター。The adhesive tape for binding according to claim 1, wherein the sliding surface of the fastening member is formed so as to face only the adhesive surface remaining on the adhesive tape on which the overlapping portion is formed. cutter. 前記止着部材の上部に一端が固定され、他端が該止着部材の前記摺動面の上側部分に延びて前記回転係合部材の係合突起先端に圧着し、該係合突起先端との間で粘着テープを挟持する板バネが設けられていることを特徴とする請求項１または２のいずれかに記載の結束用粘着テープカッター。One end is fixed to the upper portion of the fastening member, the other end extends to an upper portion of the sliding surface of the fastening member, and is crimped to the engagement projection tip of the rotation engagement member. 3. The bundling adhesive tape cutter according to claim 1, further comprising a leaf spring for sandwiching the adhesive tape therebetween. 前記止着部材の圧接用付勢手段が、該止着部材をその揺動範囲の全域で付勢する低弾発力の第１スプリングと、該止着部材が所定揺動量を超えてから機能する高弾発力の第２スプリングとからなり、前記テープ切断レバーが前記被結束物の挿通路を挟んで該止着部材と反対側に配置されていることを特徴とする請求項１〜３のいずれかに記載の結束用粘着テープカッター。The pressing member biasing means functions as a first spring having a low resilience that biases the fixing member over the entire swing range thereof, and after the fixing member exceeds a predetermined swing amount. 4. The second spring having a high resilience force, wherein the tape cutting lever is disposed on the opposite side of the fastening member across the insertion path of the bundled object. The adhesive tape cutter for binding according to any one of the above. 前記重合部形成手段が、テープ巻付体から引き出されて前記引き出し通路に挿通される該粘着テープの側縁を所定幅で上方に折り返して重合上させるべく該引き出し通路幅を粘着テープ幅よりも狭幅に幅規制する幅規制部材でなることを特徴とする請求項１〜４のいずれかに記載の結束用粘着テープカッター。The overlapping portion forming means is configured such that the width of the drawing path is larger than the width of the pressure-sensitive adhesive tape so that the side edge of the pressure-sensitive adhesive tape pulled out from the tape winding body and inserted into the pull-out path is folded upward by a predetermined width to cause polymerization. The adhesive tape cutter for bundling according to any one of claims 1 to 4, wherein the adhesive tape cutter is a width regulating member that regulates the width to a narrow width. 前記引き出し通路における前記幅規制部材の配設位置よりも後方のテープ支持部寄りに位置させて、該幅規制部材によって形成される狭幅部内に導かれる粘着テープを上側から挿入案内するガイド部材を設けたことを特徴とする請求項５に記載の結束用粘着テープカッター。A guide member for inserting and guiding the adhesive tape guided into the narrow width portion formed by the width regulating member from the upper side, positioned closer to the tape support portion behind the arrangement position of the width regulating member in the drawer passage The adhesive tape cutter for bundling according to claim 5 provided. 前記幅規制部材の上部後方側の粘着テープ導入部に、狭幅部の幅を徐々に狭くするテーパー面が設けられていることを特徴とする請求項５または６のいずれかに記載の結束用粘着テープカッター。7. The bundling device according to claim 5, wherein a taper surface that gradually narrows the width of the narrow width portion is provided in the adhesive tape introduction portion on the upper rear side of the width regulating member. Adhesive tape cutter. 前記重合部形成手段は、前記粘着テープの接着面側に配置される接着面側部材と非接着面側に配置される非接着面側部材とからなり、これら接着面側部材と非接着面側部材とに押圧接触させつつ該両部材間に該粘着テープを挿通して引き出すことにより、該粘着テープの長手方向の少なくとも一側に、その側縁を所定幅で粘着面側に折り返して非接着部となる重合部を形成するものであって、
該粘着テープの側縁部に所定の折り曲げ幅を残して該粘着面側に接触する接着面側部材としての折り曲げローラーと、
該折り曲げローラーの端面に対向配置されて、該折り曲げローラに接触していない該粘着テープ側縁の前記所定の折り曲げ幅部分の非粘着面側に押圧接触して該側縁を該折り曲げローラーの端面との間に挟んで該所定幅で粘着面側に折り曲げる前記非接着面側部材としての折り曲げガイド片と、
該折り曲げられた粘着テープ側縁の非粘着面側に押圧接触して該側縁を鋭角に折り返すガイド部を有して、該粘着テープの接着面側に配置された前記接着面側部材としての折り返しガイド片と、
該側縁が折り返された該粘着テープの非接着面に押圧接触して、該側縁が折り返された粘着テープの対向する粘着面同士を重合させて貼り合わせる前記非接着面側部材としての貼り合わせ手段とからなり、
該接着面側部材は開閉自在な開閉カバーにて支持され、
該開閉カバーは、挿通される該粘着テープに対して該接着面側部材を押圧接触させる閉位置と押圧接触させない開位置との間を開閉移動可能に設けられるとともに、該開位置では該接着面側部材を該非接着面側部材から離間させて該粘着テープの挿通路を開放することを特徴とする請求項１〜４のいずれかに記載の結束用粘着テープカッター。The overlapping portion forming means comprises an adhesive surface side member disposed on the adhesive surface side of the adhesive tape and a non-adhesive surface side member disposed on the non-adhesive surface side, and these adhesive surface side member and non-adhesive surface side By inserting and pulling out the adhesive tape between the two members while being in pressure contact with the member, the side edge of the adhesive tape is folded back to the adhesive surface side with a predetermined width on at least one side of the adhesive tape and non-adhered Forming a polymerization part to be a part,
A folding roller as an adhesive surface side member that contacts the adhesive surface side leaving a predetermined folding width at the side edge of the adhesive tape;
An end surface of the folding roller that is disposed opposite to the end surface of the folding roller and presses and contacts the non-adhesive surface side of the predetermined folding width portion of the adhesive tape side edge that is not in contact with the folding roller. A bending guide piece as the non-adhesive surface side member that is sandwiched between and bent to the adhesive surface side with the predetermined width;
As the adhesive surface side member disposed on the adhesive surface side of the adhesive tape, having a guide part that presses and contacts the non-adhesive surface side of the bent adhesive tape side edge and turns the side edge at an acute angle A folded guide piece;
Affixing as the non-adhesive surface side member by pressing and contacting the non-adhesive surface of the pressure-sensitive adhesive tape with the side edges folded, and polymerizing and bonding the opposing pressure-sensitive adhesive surfaces of the pressure-sensitive adhesive tape with the side edges folded back It consists of a combination means,
The adhesive surface side member is supported by an openable openable cover,
The open / close cover is provided so as to be openable and closable between a closed position where the adhesive surface side member is pressed and contacted with the adhesive tape to be inserted and an open position where the adhesive surface side member is not pressed and contacted. The adhesive tape cutter for binding according to any one of claims 1 to 4, wherein a side member is separated from the non-adhesive surface side member to open an insertion path of the adhesive tape. 前記折り返しガイド片が、前記粘着テープの側縁の折り曲げ角度を略１３５度まで案内する第１のガイド部と、略１８０度まで折り返す第２のガイド部とを有することを特徴とする請求項８に記載の粘着テープカッター。9. The folding guide piece includes a first guide portion that guides a bending angle of a side edge of the adhesive tape to approximately 135 degrees and a second guide portion that returns to approximately 180 degrees. The adhesive tape cutter described in 1. 前記折り曲げガイド片に、前記折り曲げられた粘着テープ側縁の非粘着面に当接して該側縁の折れ曲がり角度を略１２０度に案内するガイド突起を突出形成したことを特徴とする請求項８または９のいずれかに記載の結束用粘着テープカッター。9. The bent guide piece is characterized in that a guide protrusion is formed so as to protrude from the non-adhesive surface of the bent adhesive tape side edge so as to guide the bent angle of the side edge to about 120 degrees. The adhesive tape cutter for binding according to any one of 9. 前記開閉カバーが、前記粘着テープの挿通方向に対して側方に回動して開閉移動されることを特徴とする請求項８〜１０のいずれかに記載の結束用粘着テープカッター。The adhesive tape cutter for bundling according to any one of claims 8 to 10, wherein the opening / closing cover is pivoted laterally with respect to the insertion direction of the adhesive tape to be opened and closed.
JP2003180343A 2003-06-24 2003-06-24 Bonding adhesive tape cutter Expired - Fee Related JP4181929B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006256787A (en) * 2005-03-17 2006-09-28 Ａｐｍ Ｊａｐａｎ株式会社 Tape winding device
CN111483866A (en) * 2020-04-10 2020-08-04 温红丽 Portable medical adhesive tape tearing cutter
CN115214919A (en) * 2022-08-15 2022-10-21 重庆交通大学 Full-automatic ring body winding packaging machine based on PLC control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006256787A (en) * 2005-03-17 2006-09-28 Ａｐｍ Ｊａｐａｎ株式会社 Tape winding device
CN111483866A (en) * 2020-04-10 2020-08-04 温红丽 Portable medical adhesive tape tearing cutter
CN115214919A (en) * 2022-08-15 2022-10-21 重庆交通大学 Full-automatic ring body winding packaging machine based on PLC control
CN115214919B (en) * 2022-08-15 2024-04-23 重庆交通大学 Full-automatic ring body winding packagine machine based on PLC control

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