SHEET PROVIDED WITH SAW TEETH MADE OF VULCANIZED FIBERS, CARTON TO WHICH SAID SHEET IS BONDED, AND METHOD OF BONDING

Title:

SHEET PROVIDED WITH SAW TEETH MADE OF VULCANIZED FIBERS, CARTON TO WHICH SAID SHEET IS BONDED, AND METHOD OF BONDING

Document Type and Number:

WIPO Patent Application WO/1993/004935

Kind Code:

A1

Abstract:

A sheet provided with saw teeth to be fixed to a carton case containing a rolled cooking sheet made of synthetic resin film, paper, or metallic foil and to be used for cutting said film, which is characterized particularly in that: said saw teeth are made of vulcanized fiber and, while utilizing stiffness and resilience of said vulcanized fiber as advantages thereof, sheets of moisture-proof film made of synthetic resin are formed on both sides of an original sheet of vulcanized fiber in order to improve wet-absorbing tendency as a drawback of said sheet; and further includes a carton case to which said sheet is bonded as well as a method of bonding said sheet to the carton by making use of said film and ultrasonic fusion-bonding.

Inventors:

SANO MITSUHIRO (JP)
WAKABAYASHI NOBUO (JP)
MIKAMO HIROAKI (JP)
IKEDA KEIICHI (JP)
SHOJI ISAO (JP)

Application Number:

PCT/JP1992/001176

Publication Date:

March 18, 1993

Filing Date:

September 14, 1992

Export Citation:

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Assignee:

HONSHU PAPER CO LTD (JP)
TOYO FIBRE CO LTD (JP)

International Classes:

B26D1/00; B26D1/08; B26D3/10; B26D7/27; B26F1/40; B26F3/02; B29C69/00; B31B1/90; B65D83/08; B65H35/00; B29C65/08; (IPC1-7): B65D5/72

Foreign References:

JPH01294429A	1989-11-28
JPH0326719U	1991-03-19
JPH01114532U	1989-08-01

Other References: