JPS6139213B2 - - Google Patents

Info

Publication number
JPS6139213B2
JPS6139213B2 JP54062434A JP6243479A JPS6139213B2 JP S6139213 B2 JPS6139213 B2 JP S6139213B2 JP 54062434 A JP54062434 A JP 54062434A JP 6243479 A JP6243479 A JP 6243479A JP S6139213 B2 JPS6139213 B2 JP S6139213B2
Authority
JP
Japan
Prior art keywords
partial
pattern
seal
sealing
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP54062434A
Other languages
English (en)
Other versions
JPS55154118A (en
Inventor
Yoshikazu Tsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP6243479A priority Critical patent/JPS55154118A/ja
Publication of JPS55154118A publication Critical patent/JPS55154118A/ja
Publication of JPS6139213B2 publication Critical patent/JPS6139213B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/345—Progressively making the joint, e.g. starting from the middle
    • B29C66/3452—Making complete joints by combining partial joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets

Description

【発明の詳細な説明】 本発明は包装袋体のヒートシール方法及び器具
に関するものである。
従来レトルト袋、真空包装、ガスパツク等のよ
うな袋の内部に圧力の変化を与える加工を施する
ことに用いられる袋には根切れの現象がよく発生
する。この根切れの現象とは第１図の切断面図で
示されている２つの被接着部材１，１ａのシール
２が施された部分と、シールが施されている部分
との境目に当る矢印の部分から破袋することをい
う。
本発明は以上のような根切れ現象を防止するた
めに発明されたものである。
すなわち、包装袋体の被接着部材同志をヒート
シールするに当り、周縁の完全シール部に引続い
て内側に向い断続的に接合される部分シール部を
形成し、該部分シール部が完全シール部から内側
のシールを施さない部分に向つて、その接合面積
が大なる状態から小なる状態に順次移行形成され
るようにヒートシールすることを特徴とする方法
と、この方法の実施に直接使用されるヒートシー
ルバーとして完全シール部がベタ柄、碁盤柄、線
柄からなり、部分シールがぼかし状の網点で構成
されたものを特徴とするものである。
本発明は以上のように包装袋体の周縁の完全シ
ール部に引続いて内側に向う部分シール部を施す
ことによつてシールした部分とシールしない部分
の厳しい境目をなくし根切れを防ぐことができ
る。
以下図面に示す実施例について説明する。
第２，３図において、包装袋体の２つの被接着
部材１，１ａは、周縁の完全シール部２とその内
側の部分シール部３とでシール部を構成してい
る。しかして完全シール部２はヒートシールバー
にベタ柄、碁盤柄、線柄を施すことによつて得ら
れ、部分シール部３はヒートシールバーにぼかし
状の網点模様を施すことによつて得られる。
もつとも部分シール部３はぼかし状の網点模様
のものではなくともよく、完全シール部からシー
ルを施さない部分に向つて、接合面積が大なる状
態から小なる状態に順次移行されるものならば、
どのような形状模様のものでもよい。すなわち、
図示の網点は大きな点滴から小さな点滴に順次移
行形成されているが、同じ大きさのものを密なる
状態から粗なる状態に移行するものでもよい。
以上のようにヒートシールすれば、レトルト袋
など内圧が高まる用途のものであつても、シール
した部分とシールしない部分との間に厳しい境目
がないから根切れの発生はない。
一般に製袋のヒートシールバーは８〜10ｍ／ｍ
巾で碁盤柄、ベタ柄、線柄のものが多いが、この
ようなヒートシールバーであると、シール面、す
なわちシールされた部分とシールされない境目か
ら破袋することが多い。
しかし本発明のヒートシールバーは、巾12ｍ／
ｍとし、８mmは従来通りの碁盤柄、ベタ柄、線柄
のシールとするも、４ｍ／ｍは部分シールするこ
とによつて、シール部分とシールしない部分の境
目を実質的になくして根切れを防止することがで
きるという特徴がある。
なお、本発明は袋の接着部の他テープ同志の接
合に用いても効果がある。
【図面の簡単な説明】
第１図は従来の袋のシール状態を示す部分切断
面図、第２図は本発明方法及び器具によつて形成
された袋のシール部分の部分平面図、第３図は同
上切断面図である。 １，１ａ……被接着部材、２……完全シール
部、３……部分シール部。

Claims (1)

  1. 【特許請求の範囲】 １ 包装袋体の周縁をヒートシールするに当り、
    周縁の完全シール部に引続いて内側に向い断続的
    に接合される部分シール部を形成し、該部分シー
    ル部を完全シール部から内側のシールを施さない
    部分に向つて、その接合面積が大なる状態小から
    なる状態に順次移行形成されるようにヒートシー
    ルすることを特徴とする包装袋体のヒートシール
    方法。 ２ 完全シール部がベタ柄、碁盤柄、線柄からな
    り、部分シール部がぼかし状の網点で構成された
    包装袋体の周縁ヒートシールバー。
JP6243479A 1979-05-21 1979-05-21 Heat sealing method and device for stuck member Granted JPS55154118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6243479A JPS55154118A (en) 1979-05-21 1979-05-21 Heat sealing method and device for stuck member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6243479A JPS55154118A (en) 1979-05-21 1979-05-21 Heat sealing method and device for stuck member

Publications (2)

Publication Number Publication Date
JPS55154118A JPS55154118A (en) 1980-12-01
JPS6139213B2 true JPS6139213B2 (ja) 1986-09-02

Family

ID=13200067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6243479A Granted JPS55154118A (en) 1979-05-21 1979-05-21 Heat sealing method and device for stuck member

Country Status (1)

Country Link
JP (1) JPS55154118A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01169218A (ja) * 1987-12-24 1989-07-04 Matsushita Electric Ind Co Ltd 燃焼装置
JPH03148505A (ja) * 1989-10-31 1991-06-25 Toyotomi Kogyo Co Ltd 石油燃焼器の燃焼筒

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157901A (en) * 1991-03-01 1992-10-27 House Food Industrial Co., Ltd. Method for sealing retort container
DE10029797A1 (de) * 2000-06-16 2001-12-20 Eul & Guenther Gmbh Verfahren und Vorrichtung zum Herstellen mehrlagiger Produkte und zugehöriges Produkt
ATE483650T1 (de) * 2006-07-11 2010-10-15 3A Technology & Man Ag Verpackungsbeutel
US10654632B2 (en) * 2017-03-08 2020-05-19 B. Braun Medical Inc. Flexible containers and related methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50116808U (ja) * 1974-02-28 1975-09-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01169218A (ja) * 1987-12-24 1989-07-04 Matsushita Electric Ind Co Ltd 燃焼装置
JPH03148505A (ja) * 1989-10-31 1991-06-25 Toyotomi Kogyo Co Ltd 石油燃焼器の燃焼筒

Also Published As

Publication number Publication date
JPS55154118A (en) 1980-12-01

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