Cutting tape and packaging bag with cutting tape
US8714821B2 · kind B2 · utility
5Cited by
27References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2008 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | May 7, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/66
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cutting tape includes a leading portion, a first base, a second base and a seal layer. The leading portion is welded on a sealant layer with the seal layer interposed therebetween. The first base and the second base, which are laminated on the leading portion, respectively include thin laminated portions and body portions to be welded on the sealant layer. The laminated portions are welded on the leading portion. The body portions respectively have a substantially trapezoidal cross section projecting toward the sealant layer and having an inclined surface adjacent to the leading portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.