The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 2022
Filed:
Jun. 15, 2017
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Masaki Miyamoto, Osaka, JP;
Masateru Yamada, Osaka, JP;
Kazukiyo Teshima, Osaka, JP;
Hiroki Sakamoto, Osaka, JP;
Toshihide Iida, Osaka, JP;
Tomoyuki Koike, Osaka, JP;
Motoaki Naruo, Osaka, JP;
NIPPON PILLAR PACKING CO., LTD., Osaka, JP;
Abstract
A method for manufacturing a resin pipe joint with a joint body includes the following steps. Preparing a mold and a supply device configured to supply molten resin. The mold includes a first mold for an outer shape of the joint body and a second mold for an inner shape of the joint body. Combining the second mold with the first mold to form a cavity, into which the molten resin is injectable, inside the mold. Supplying the molten resin to the cavity in the mold. Solidifying the molten resin in the cavity after stop of the supply of the molten resin from the supply device. The second mold has a gap that connects the cavity to a discharge space outside the cavity and allows gas to flow.