Reversible lock and seal apparatus
US4676533A · kind A · utility
46Cited by
23References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1984 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | Nov 13, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H33/6063
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A reversible lock and seal apparatus for coupling swimming pool piping and fittings, comprising a frusto-conical U-cross section metal ring with longitudinally spaced circular rows of teeth, adapted to be cammed into piping by a follower coupled to the fitting for locking the piping to the fitting without need of piping threads or solvent cements, and squeezing a seal ring therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.