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. 14, 2004
Filed:
Mar. 12, 2003
Applicant:
Inventors:
Ikuo Hayafuji, Yokohama, JP;
Shinichi Ogimoto, Sagamihara, JP;
Assignee:
Shibaura Mechatronics Corporation, Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 3/100 ;
U.S. Cl.
CPC ...
B28B 3/100 ;
Abstract
At least when an upper glass substrate held by an upper retention head and a lower glass substrate held by a lower retention head are abutted on each other through a sealing material , air cylinders apply a lifting force balancing with a dead weight of the upper retention head to the upper retention head to cancel its dead weight. In this state, the upper glass substrate and the lower glass substrate are abutted on each other through the sealing material