Paper joint without discontinuity for tube shaped paper wraps closed by means of embossed paper and re-sealable innerliner seal by means of structured innerliner
US11325338B2 · kind B2 · utility
0Cited by
28References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2017 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Feb 5, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31F2201/0764
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A set of thin foil surfaces configured to achieve a joint among the foil surfaces, the joint being arranged to be without discontinuity, comprising at least a first portion of surface dedicated to achieve the joint; pixelized type embossings on the first portion of surface; and at least a second portion of surface dedicated to achieve the joint. The second portion of surface is shaped to correspond to the first portion of surface for making the joint between the first portion of surface and the second portion of surface through contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.