Invention Grant
- Patent Title: Method for producing cork stopper and cork stopper
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Application No.: US16134184Application Date: 2018-09-18
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Publication No.: US10703026B2Publication Date: 2020-07-07
- Inventor: Akihiro Anabuki , Tatsuo Katayama , Tomohisa Yamamoto
- Applicant: Uchiyama Manufacturing Corp.
- Applicant Address: JP Okayama-Shi, Okayama
- Assignee: UCHIYAMA MANUFACTURING CORP.
- Current Assignee: UCHIYAMA MANUFACTURING CORP.
- Current Assignee Address: JP Okayama-Shi, Okayama
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@70520fcc
- Main IPC: B29C43/52
- IPC: B29C43/52 ; B65D39/00 ; B29C43/00 ; B29C35/08 ; B29C43/02 ; B27N7/00 ; B27K7/00 ; B27N5/00 ; B29K103/00

Abstract:
An objective of the present invention is to provide a method for producing a cork stopper by compression molding cork grains, which can provide a cork stopper excellent in sealability and safety. There is provided a method for producing a cork stopper, comprising: mixing cork grains and an adhesive; compression molding the mixture to give an intermediate; and then heating the intermediate to expand the cork grains.
Public/Granted literature
- US20190084199A1 METHOD FOR PRODUCING CORK STOPPER AND CORK STOPPER Public/Granted day:2019-03-21
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