Reclosable seams for fluid-tight applications
US4841603A · kind A · utility
103Cited by
10References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1986 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Dec 22, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/45152
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An interlocking structure and a method of testing wherein the structure includes spaced interlocked rib and groove members with a compartment therebetween exposed to one side of each of the interlocked ribs and grooves and the ribs and grooves submerged beneath water while the compartment is pressurized with air so that any leakage past the interlocked rib and grooves will be detected by bubbles rising through the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.