EP4737111A1 - Web forming device and forming method, and bag making machine for double bag - Google Patents

Web forming device and forming method, and bag making machine for double bag

Info

Publication number
EP4737111A1
EP4737111A1 EP24831661.4A EP24831661A EP4737111A1 EP 4737111 A1 EP4737111 A1 EP 4737111A1 EP 24831661 A EP24831661 A EP 24831661A EP 4737111 A1 EP4737111 A1 EP 4737111A1
Authority
EP
European Patent Office
Prior art keywords
web
double
layer
gusset
webs
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.)
Pending
Application number
EP24831661.4A
Other languages
German (de)
English (en)
French (fr)
Inventor
Yuji Ohnishi
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.)
Totani Corp
Original Assignee
Totani Corp
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 Totani Corp filed Critical Totani Corp
Publication of EP4737111A1 publication Critical patent/EP4737111A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/10—Feeding or positioning webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16—Cutting webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts

Landscapes

  • Making Paper Articles (AREA)
EP24831661.4A 2023-06-28 2024-06-11 Web forming device and forming method, and bag making machine for double bag Pending EP4737111A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023105721 2023-06-28
PCT/JP2024/021226 WO2025004795A1 (ja) 2023-06-28 2024-06-11 ウェブ形成装置および形成方法、および、二重袋の製袋機

Publications (1)

Publication Number Publication Date
EP4737111A1 true EP4737111A1 (en) 2026-05-06

Family

ID=93938738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24831661.4A Pending EP4737111A1 (en) 2023-06-28 2024-06-11 Web forming device and forming method, and bag making machine for double bag

Country Status (4)

Country Link
EP (1) EP4737111A1 (https=)
JP (1) JP7693182B2 (https=)
CN (1) CN121335800A (https=)
WO (1) WO2025004795A1 (https=)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7414166A (nl) * 1973-11-29 1975-06-02 Packaging Ind Inc Verpakkingszak en werkwijze voor de vervaardi- ging daarvan.
JPS5884752A (ja) * 1981-11-14 1983-05-20 中国レジン株式会社 弁付包装袋の製造方法およびその装置
JPS6271633A (ja) * 1985-09-26 1987-04-02 三和レジン工業株式会社 複層袋用シ−ト材の製造装置
JPH02127282A (ja) * 1988-10-27 1990-05-15 Keiichi Isotani フレキシブルコンテナ用包装袋の製法
JP3872449B2 (ja) * 2003-06-09 2007-01-24 トタニ技研工業株式会社 プラスチックフィルムの印刷ピッチ矯正装置
JP4174680B2 (ja) * 2004-02-09 2008-11-05 三菱瓦斯化学株式会社 脱酸素性袋の製造方法及び装置
JP6560500B2 (ja) 2015-01-30 2019-08-14 エステー産業株式会社 収容容器、その製造方法および製造装置
JP2017128017A (ja) * 2016-01-19 2017-07-27 西部機械株式会社 底ガゼットを有する袋を製袋する製袋機
CN114728485B (zh) * 2019-12-11 2023-08-25 户谷技研工业株式会社 位置对准装置
JP7539262B2 (ja) 2020-06-25 2024-08-23 株式会社細川洋行 ガゼット袋及びバッグインボックス

Also Published As

Publication number Publication date
WO2025004795A1 (ja) 2025-01-02
JPWO2025004795A1 (https=) 2025-01-02
JP7693182B2 (ja) 2025-06-17
CN121335800A (zh) 2026-01-13

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Legal Events

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