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:
Jan. 01, 1991
Filed:
Mar. 31, 1989
Applicant:
Inventor:
Reinhard Mannl, Mitterteich, DE;
Assignee:
Schott-Ruhrglas GmbH, Bayreuth, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65152 ; 65272 ; 65283 ;
Abstract
A heat-sealable glass container is heat-sealed by an apparatus which heats the container with an infrared lamp while rotating the container and elongating the heat-softened top portion. The elongation of the softened glass pulls the glass to a point and results in an airtight seal.