Title:
SEAL STRUCTURE OF GUSSETTED BAG AND GUSSETED BAG
Document Type and Number:
WIPO Patent Application WO/2005/019051
Kind Code:
A1
Abstract:
[PROBLEMS] A seal structure having excellent impact bearing capability, used for a gusseted bag likely to be subjected to an impact load. [MEANS FOR SOLVING PROBLEMS] A seal structure for a gusseted bag whose opening is sealed has a pair of flat surface portions and a pair of side surface portions. Seal portions (20) for sealing the opening are constructed such that flat surface portions (2) and side surface portions (3) are adhered to each other for a predetermined depth from end edges of the opening side, with the side surface portions interfolded at folding lines (4). An impact absorbing seal portions (Q1) are provided at positions above intersections between inner edges of the seal portions (20) and the folding line (4), the positions being on the outer sides of the folding lines (4).
Inventors:
SHIRAI KAZUYOSHI (JP)
SHINOHARA TOMONARI (JP)
IGOTA SHOJI (JP)
SHINOHARA TOMONARI (JP)
IGOTA SHOJI (JP)
Application Number:
PCT/JP2004/012022
Publication Date:
March 03, 2005
Filing Date:
August 20, 2004
Export Citation:
Assignee:
HOSOKAWA YOKO KK (JP)
SHIRAI KAZUYOSHI (JP)
SHINOHARA TOMONARI (JP)
IGOTA SHOJI (JP)
SHIRAI KAZUYOSHI (JP)
SHINOHARA TOMONARI (JP)
IGOTA SHOJI (JP)
International Classes:
B65D30/16; B65D30/20; B65D33/38; (IPC1-7): B65D30/16
Foreign References:
JP2002154553A | 2002-05-28 | |||
JPH10287344A | 1998-10-27 | |||
JP2002179102A | 2002-06-26 | |||
JP2002179102A | 2002-06-26 | |||
JPH10250747A | 1998-09-22 |
Other References:
See also references of EP 1657172A4
Attorney, Agent or Firm:
Ishikawa, Yasuo (Shiba 2-chome Minato-k, Tokyo 14, JP)
Download PDF:
Previous Patent: DEVICE FOR ACCOMMODATING AND DISPENSING A FLOWABLE PRODUCT
Next Patent: METHOD FOR THE PRODUCTION OF A TUBE
Next Patent: METHOD FOR THE PRODUCTION OF A TUBE