Tapping sleeve
US5374087A · kind A · utility
22Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1991 |
| Grant date | Dec 20, 1994 |
| Priority date | — |
| Expiry date | Jul 24, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L41/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tapping sleeve for attaching a branch line to a main fluid conduit. The tapping sleeve has upper and lower sleeve members, bolted together around the main fluid conduit. Shell gaskets seal between the sleeve members and the main fluid conduit and a branch gasket seals around a side opening in the upper sleeve member. Metal shell gasket retaining rings secure the shell gaskets in place and a metal branch gasket retaining ring secures the branch gasket. In the preferred embodiment, the retaining ring has a circular cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.