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:
May. 18, 2021
Filed:
Jan. 13, 2017
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Inventor:
Yuichi Takai, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/46 (2006.01); B29D 30/08 (2006.01);
U.S. Cl.
CPC ...
B29D 30/46 (2013.01); B29D 30/08 (2013.01); B29D 2030/463 (2013.01); B29D 2030/466 (2013.01);
Abstract
To accurately cut a ply for a tire. It is a cutting devicefor cutting a plyfor a tire in which a plurality of cordsparallelly arranged at fixed pitches are coated with an unvulcanized topping rubber. It has a pitch increasing meansfor increasing the pitches of the cordsby pressing the plyfrom a second surfaceside to a first surfaceside of the plyso as to stretch the plytoward the first surfaceside; and a ply cutting meansdisposed on the first surfaceside of the ply, for cutting the stretched portion of the plyalong the cords