Method of testing for a leak with the inner vessel of a double blow molded bottle

Double blow molded bottles of synthetic resins are given consistent quality by making it possible to detect the existence of a leak in the inner vessel in which to store the liquid contents. The bottles of consistent quality can be provided by a method of leak test, which includes forming an air cha...

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1. Verfasser: NOMOTO TUGIO
Format: Patent
Sprache:eng
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