专利名称：PIPE TESTING APPARATUS发明人：RITCHIE, Sandy,HORN, John申请号：EP99915941.1申请日：19990414公开号：EP1071936B1公开日：20020710
摘要：Pipe testing apparatus comprises an elongate tester body having sealing meansand actuator means to deform said sealing means on activation. The apparatus is furtherprovided with means to bias actuator means axially away from the sealing means ondeactivation of said actuator means. The apparatus is typically used to test the integrityof pipelines at specific points, for example joint or welds.
申请人：HEDLEY PURVIS LTD
地址：GB
国籍：GB
代理机构：Kennedy, David Anthony
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