Invention Grant
- Patent Title: Vertical bag-making/filling/packaging machine, manufacturing method of film packaging bag with content, and film packaging bag with content
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Application No.: US18275857Application Date: 2022-02-04
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Publication No.: US12060177B2Publication Date: 2024-08-13
- Inventor: Orihiro Tsuruta , Masataka Tsuruta , Akira Yamaguchi
- Applicant: ORIHIRO Engineering Co., Ltd.
- Applicant Address: JP Tomioka
- Assignee: ORIHIRO Engineering Co., Ltd.
- Current Assignee: ORIHIRO Engineering Co., Ltd.
- Current Assignee Address: JP Tomioka
- Agency: WHDA, LLP
- Priority: JP 21023890 2021.02.18
- International Application: PCT/JP2022/004372 2022.02.04
- International Announcement: WO2022/176645A 2022.08.25
- Date entered country: 2023-08-04
- Main IPC: B65B3/02
- IPC: B65B3/02 ; B31B70/14 ; B31B70/84 ; B65B3/04 ; B65B7/02 ; B65B9/12 ; B65B9/20 ; B65B9/213 ; B65B9/22 ; B65B43/10 ; B65B51/10 ; B65B51/26 ; B65B51/30 ; B65B57/00 ; B65B61/06 ; B65B61/18 ; B65B61/24 ; B65D75/00 ; B65D75/12 ; B65D75/48 ; B65D75/58
Abstract:
A vertical bag-making/filling/packaging machine (1) includes: a top folding portion (20) which forms a first fold (F1) by folding a side of a band-shaped film (F) into a Z-shape; a bottom folding portion (30) which forms a second fold (F5) by folding a center of the film (F) into an M-shape; a top seal portion (40) which forms a top gusset (G3) and a spout portion (G7) protruding from the top gusset (G3) by heat-welding the first fold (F1) and side edges (E1 and E2) of the film (F) so as to make the film (F) into a tube shape; and a bottom-seal portion (50) which forms a bottom gusset (G4) by heat-welding the second fold (F5).
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