Ring set ball coupling
US4005881A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1975 |
| Grant date | Feb 1, 1977 |
| Priority date | — |
| Expiry date | Aug 6, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L27/053
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Apparatus for connecting the ends of two pipes comprising; a pair of coupling members, each of which is connected at one end thereof to the end of one of the pipes; one of the coupling members having attached to the other end thereof an annular spherically-shaped enlarged portion having axially forward and rearward sides; the other coupling member having attached to the other end thereof a housing having an internal surface for receiving the spherically-shaped forward side of said enlarged portion in mating engagement therewith, thereby enabling the central axes of the coupling members to be inclined at an angle relative to each other for connecting similarly inclined pipe ends; seal means disposed between the enlarged portion and the housing for providing a fluid seal therebetween; a plurality of cam members supported in circumferentially disposed relation about the housing and movable axially and radially inward towards the internal surface between a retracted position in which the housing freely receives the spherically-shaped forward side of the enlarged portion in mating engagement therewith, and an extended and locked position in which the cam members engage the spherically-s…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.