Ltv Energy Products Co.

Oil States Rubber Company

Robert K Brock

Don B Landers

Phil E Johnson

An improved reinforcement cage assembly for use in the manufacture of a load lifting swab cup wherein the swab cup includes an elastomeric material bonded to the reinforcement cage assembly. The reinforcement cage assembly includes a metal base assembly and a plurality of axially disposed reinforcing wire members. In addition, an improved load lifting swab cup is disclosed having as an integral part thereof the improved reinforcement cage assembly.

Load bearing swab cup

A shock load absorbing load cell with relatively longitudinally movable structural members interconnected by a plurality of shear load elastomeric segments, each having spaced plates bonded to opposite surfaces of an intervening flexible molded block of elastomeric material. Molded shape memory of the elastomeric material blocks resiliently urges the spaced plates back to their original position after they have been displaced in absorbing a shock load.

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Arlington, TX, United States of America

Robert K Brock