초록 ▼

An expansible and contractable replaceable seal arrangement includes an elastomer body bonded to at least a pair of spaced, rigid plate members with a mechanical arrangement interconnecting the plate members and elastomer body to accommodate relative movement therebetween in response to expansion an

An expansible and contractable replaceable seal arrangement includes an elastomer body bonded to at least a pair of spaced, rigid plate members with a mechanical arrangement interconnecting the plate members and elastomer body to accommodate relative movement therebetween in response to expansion and contraction of the elastomer body bonded therewith and to inhibit separation of the plates and elastomer body.

대표청구항 ▼

A replaceable seal arrangement for a groove extending diametrically across the front of a blowout preventer ram body comprising: an elastomer body having upper and lower surfaces for fitting in the groove; plate members embedded in the upper and lower surfaces of said elastomer body; receptacle mean

A replaceable seal arrangement for a groove extending diametrically across the front of a blowout preventer ram body comprising: an elastomer body having upper and lower surfaces for fitting in the groove; plate members embedded in the upper and lower surfaces of said elastomer body; receptacle means in one of said plate members which includes said elastomer body therein; projection means forming part of and extending from said other plate member, through said elastomer body and into the elastomer in said receptacle means for interlocking said plate members together without securing said projection means to said one plate member to accommodate relative movement of said interlocked plate members upon expansion and contraction of said seal means, said receptacle means and elastomer body therein being significantly larger than the portion of the projection means received therein about the entire periphery of said portion to accommodate said relative movement; and releasable means for releasably securing said seal arrangement in the groove of the ram body.