Apparatus and method for sealing edges of corrugated plastic material
US5356696A · kind A · utility
17Cited by
38References
5Claims
0Family size
Inventor
Key dates
| Filing date | Aug 12, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Aug 12, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24777
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A substantially rigid corrugated plastic material having at least one sealed edge sealed with a seal line pattern. The seal line pattern has a series of generally parallel grooves, wherein preferably groove depth increases from the outside to the middle of the pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.