JPS6436435A - Manufacture of packaging bag - Google Patents
Manufacture of packaging bagInfo
- Publication number
- JPS6436435A JPS6436435A JP62192071A JP19207187A JPS6436435A JP S6436435 A JPS6436435 A JP S6436435A JP 62192071 A JP62192071 A JP 62192071A JP 19207187 A JP19207187 A JP 19207187A JP S6436435 A JPS6436435 A JP S6436435A
- Authority
- JP
- Japan
- Prior art keywords
- packaging bag
- roughened surface
- unsealing
- contact type
- parts
- 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.)
- Granted
Links
Landscapes
- Bag Frames (AREA)
- Making Paper Articles (AREA)
Abstract
PURPOSE: To easily unseal a bag at a position different from a heat sealed face by forming a roughened surface part for unsealing of a specific width on a plastic film by a contact type or non-contact type roughened surface forming means before the laminating treatment of a laminate film to be used in a packaging bag material. CONSTITUTION: The roughened surface parts 13, 15 for unsealing, of a specific width are formed on one face of a plastic film by using a contact type or non- contact type roughened surface creating means. This film is laminated on a base film to form a packaging bag material, and this packaging bag material is cut in such manner that the roughened surface parts for unsealing 13, 15 are located on the positions corresponding to the folded parts 21, 22 of a packaging bag 20 to be formed, which comprises the folded part at least at one side thereof. Then the packaging bag material is folded and formed, and the joining edge parts 11 are sealed by heat to form the packaging bag. The bag can be opened by tearing the bag from the roughened surfaces for unsealing 13, 15 formed on the folded parts 21, 22 of the bag, by a hand.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62192071A JP2703230B2 (en) | 1987-07-31 | 1987-07-31 | Packaging bag |
US07/098,880 US4778058A (en) | 1987-03-19 | 1987-09-21 | Pouch or sack for packing and laminate film therefor and method for producing the pouch |
IT8847513A IT1219788B (en) | 1987-03-19 | 1988-01-08 | Sealed package made from folded laminated plastics strip |
US07/505,347 USRE33880E (en) | 1987-03-19 | 1990-04-05 | Pouch or sack for packing and laminate film therefor and method for producing the pouch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62192071A JP2703230B2 (en) | 1987-07-31 | 1987-07-31 | Packaging bag |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6436435A true JPS6436435A (en) | 1989-02-07 |
JP2703230B2 JP2703230B2 (en) | 1998-01-26 |
Family
ID=16285146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62192071A Expired - Lifetime JP2703230B2 (en) | 1987-03-19 | 1987-07-31 | Packaging bag |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2703230B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0185242U (en) * | 1987-11-25 | 1989-06-06 | ||
WO2005120968A1 (en) * | 2004-06-10 | 2005-12-22 | Hosokawa Yoko Co., Ltd. | Packaging bag and method of manufacturing the same |
EA016590B1 (en) * | 2006-12-27 | 2012-06-29 | Мицубиси Кемикал Корпорейшн | Process for production of polyolefins and a raw material for producing linear low-density polyethylene |
US8506165B2 (en) | 2008-01-15 | 2013-08-13 | Hosokawa Yoko Co., Ltd. | Easily openable packaging bag |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3608815A (en) * | 1969-07-03 | 1971-09-28 | Dixie Wax Paper Co | Opening aid for packages |
JPS6139228A (en) * | 1984-07-27 | 1986-02-25 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
-
1987
- 1987-07-31 JP JP62192071A patent/JP2703230B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3608815A (en) * | 1969-07-03 | 1971-09-28 | Dixie Wax Paper Co | Opening aid for packages |
JPS6139228A (en) * | 1984-07-27 | 1986-02-25 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0185242U (en) * | 1987-11-25 | 1989-06-06 | ||
WO2005120968A1 (en) * | 2004-06-10 | 2005-12-22 | Hosokawa Yoko Co., Ltd. | Packaging bag and method of manufacturing the same |
EA016590B1 (en) * | 2006-12-27 | 2012-06-29 | Мицубиси Кемикал Корпорейшн | Process for production of polyolefins and a raw material for producing linear low-density polyethylene |
US8506165B2 (en) | 2008-01-15 | 2013-08-13 | Hosokawa Yoko Co., Ltd. | Easily openable packaging bag |
Also Published As
Publication number | Publication date |
---|---|
JP2703230B2 (en) | 1998-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |