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:
Jul. 29, 2003
Filed:
May. 23, 2001
Applicant:
Inventor:
Noriaki Uneda, Mihara, JP;
Assignee:
Furukawa Mfg. Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 6/508 ;
U.S. Cl.
CPC ...
B29C 6/508 ;
Abstract
A belt-like film is moved along a plate folded to be rectangular in section, so that the film is formed into a continuous tube by a tubular frame of the plate . A spring piece having an anvil bulged out therefrom is securely held on the inner side edge of the aforementioned plate , and an ultrasonic hammer is located face to face with said anvil , so that both side edges of the belt-like film formed into a tube are placed on the anvil to be melded by the ultrasonic vibration of the hammer