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:
Dec. 08, 1992
Filed:
Apr. 22, 1991
Applicant:
Inventor:
Hajime Yoshida, Tokyo, JP;
Assignee:
Hajime Industries Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
5110 / ; 5121 / ; 5128 / ; 51326 ; 51125 ;
Abstract
A bottle mouth top surface polishing apparatus including rotating machine having a rotary shaft, a rotary plate means coupled at its center to the rotary shaft, a grinding plate fixed to the rotary plate and having a grinding face which is to be made in contact with a bottle mouth top surface to be polished, and a contact adjusting device for making the contact between the grinding face and the bottle mouth top surface always close over whole contact surfaces thereof upon polishing.