Bag with zipper tape and manufacturing method therefor
US11279527B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2014 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Sep 12, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/2541
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bag body includes a bag main body and a zipper tape heat-sealed to an inner surface of the bag main body. The zipper tape comprises a pair of belt-shaped bases and two pairs of mating portions configured to be mated with each other. One of the belt-shaped bases is attached to the bag main body only at a widthwise side near an opening. First one of the mating portions includes a pair of hooks provided to each of the belt-shaped bases and respectively having nails at ends of the hooks that are configured to be meshed with each other. The second mating portion includes a concave female mating portion provided to the belt-shaped base and a male mating portion having the same shape as the hook and configured to disengageably mate with the female mating portion. The nail of the hook protrudes toward the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.