Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1982-04-20
1983-10-18
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
206 69, 206303, 277207A, F16J 1532
Patent
active
044101856
ABSTRACT:
The invention relates to a method of sealing the space between two substantially coaxial sealing surfaces (24 and 30) which are insertable one in the other, preferably for sealing the space between a socket and a spigot end of a pipe joint.
Before the sealing surfaces are inserted one into the other a sealing ring (2) is positioned in connection with one of the sealing surfaces, the sealing ring being thereby enclosed in or being thereby enclosed into a covering (12), which contains a lubricant (18). The insertion of the sealing surfaces one in the other is facilitated either by the fact that the covering (12) is broken so that the lubricant is made accessible at surfaces of the joint sliding against each other and/or by the fact that a portion of the covering slides between the sealing ring and the sealing surface or the sealing surfaces.
REFERENCES:
patent: 1813178 (1931-07-01), Lindsley
patent: 2690253 (1954-09-01), Francois
patent: 3136417 (1964-06-01), Clinch
patent: 3214010 (1965-10-01), Sunshine
patent: 3282414 (1966-11-01), Penksa
patent: 3510140 (1970-05-01), Hermann
patent: 4365818 (1982-12-01), Tolliver
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