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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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