发明名称 ELASTOMER TESTING INSTRUMENT
摘要 Stress relaxation apparatus and method which applies a sudden impulse torque to a heated or an unheated sample of material of uncured or cured elastomeric material such that a stress relaxation measuring means located between the sample of material and the force applier is effective to measure the relaxation that occurs in the sample of material progressively.
申请公布号 US3693421(A) 申请公布日期 1972.09.26
申请号 USD3693421 申请日期 1971.06.15
申请人 PAUL W. KARPER;JOHN P. PORTER 发明人 PAUL W. KARPER;JOHN P. PORTER
分类号 G01N33/44;(IPC1-7):G01N3/30 主分类号 G01N33/44
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