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:
Oct. 01, 2002
Filed:
May. 08, 2001
Applicant:
Inventor:
Hiroshi Yoshimoto, Hiroshima, JP;
Assignee:
Furukawa Mfg. Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/100 ;
U.S. Cl.
CPC ...
B32B 3/100 ;
Abstract
A hammer ( ) coupled to an ultrasonic vibrator ( ) is actuated to apply vibrations to a wrapping material ( ) with irregularities in composition and thickness so that the wrapping material ( ) can be fusion-bonded with uniform strength. The surface temperature of the wrapping material ( ) measured by an infrared sensor ( ) is sent to a control unit ( ), and a controller ( ) sends a control signal ( ) to a variable-voltage source ( ). The variable-voltage source ( ) controls the amplitude of vibrations of the hammer ( ) by temperature feedback to make uniform the generation of heat in the wrapping material ( ).