Molded plastic gate valve and sealing means therefor
US4705073A · kind A · utility
32Cited by
10References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1986 |
| Grant date | Nov 10, 1987 |
| Priority date | — |
| Expiry date | Apr 23, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86879
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A gate or slide valve of molded plastic construction having a flat gate or slide member reciprocable or rotatable in a slot whose widths may vary due to the limitations of the molding process in combination with a flat low-friction laminated seal which is resiliently adjustable to accommodate the aforesaid widthwise variations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.