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:
Feb. 20, 2007
Filed:
Oct. 11, 2002
Satoshi Kume, Tokushima-ken, JP;
Mitsuhiko Shinohara, Tokushima-ken, JP;
Takeshi Iseki, Tokushima-ken, JP;
Michio Ueda, Tokushima-ken, JP;
Satoshi Kume, Tokushima-ken, JP;
Mitsuhiko Shinohara, Tokushima-ken, JP;
Takeshi Iseki, Tokushima-ken, JP;
Michio Ueda, Tokushima-ken, JP;
Shikoku Kakoki Co., Ltd., Tokushima-ken, JP;
Abstract
An ultrasonic sealing apparatus is provided for transversely ultrasonically sealing a packing material comprised of a laminated body including at least a thermoplastic resin layer having a tubular form and containing a fluid. The apparatus includes a horn having an elongated and flat sealing face and an opposing jaw with an action face including a pressing portion for pressing the packing material in cooperation with the sealing face of the horn to a define at least one transverse sealing zone of the tubular packing material. At least one groove is disposed on the action face of the opposing jaw for forming a molten thermoplastic resin bulge in a vicinal area of the at least one sealing zone on a side in contact with the fluid in the tubular packing material.