Twist indicator gasket
US5031924A · kind A · utility
8Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1989 |
| Grant date | Jul 16, 1991 |
| Priority date | — |
| Expiry date | Nov 30, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F2280/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gasket and method for detecting the status of an installed gasket is disclosed, wherein the gasket comprises a series of protruding projections which vary from a visually detectable, defined direction when installed improperly. This invention has particular utility in manufacturing operations where improper gasket installation is difficult to detect during assembly, particularly in the automotive heat exchanger industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.