Draw tape bag with two single wrap around draw tapes and method of manufacture
US4786189A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1987 |
| Grant date | Nov 22, 1988 |
| Priority date | — |
| Expiry date | Nov 2, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/28
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A draw tape bag with two single draw tapes having a front wall and back wall of flexible sheet material joined to each other along edges of the bag. Tubular channels extend along opposed transverse top edges of the front and back walls. The channels define an open mouth for the bag. Each of the channels has openings at the opposite ends of the top edges of the bag. A pair of draw tapes extends through both of the channels. One end of each of the tapes is attached to opposite side edges of the bag beneath the openings in one of the channels and the other end of each of the tapes extends through the openings at the corresponding ends of the other of the channels so that the tapes cross each other in both channels and wrap around the mouth of the bag whereby when the tapes are pulled the mouth of the bag is drawn tightly together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.