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. 12, 1982
Filed:
Feb. 13, 1980
Mitsubishi Kasei Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
In a welding apparatus of the type including a pair of opposing press plates relatively movable toward and away each other and each supporting a molded article to be welded together, and a heating plate movable into and out of a space between separated molded articles for fusing confronting surfaces of the molded articles whereby the molded articles are welded together by applying pressure thereto by the press plates, there are provided mold frames on the press plates. The mold frames define an opening having substantially the same contour as the molded articles to be welded together but having a slightly smaller size than the molded article. The inner surface of the opening is provided with an outwardly inclined surface.