Crompton David B.,Dias Libardo Ochoa,Bouchard Herbert J.
申请号：
US201615342276
公开号：
US9664316(B1)
申请日:
2016.11.03
申请国别(地区):
美国
年份:
2017
代理人:
Mullen Williams`Bergert Thomas F.
摘要：
A press fitting device, components and method provide one or more indicators to provide a visual indication that the fitting has been properly pressed around a tube and that the correct amount of pressure has been provided to create a permanent seal. In embodiments, the present invention includes a fitting having a main body component with a packing arrangement including a sealing ring, a lock ring support member, a lock ring and a malleable and expandable indicator ring.
