Title:
DRAWN PAPER CONTAINER AND METHOD OF MANUFACTURING THE PAPER CONTAINER
Document Type and Number:
WIPO Patent Application WO/2003/101839
Kind Code:
A1
Abstract:
A drawn paper container allowing an energy control at the time of ultrasonic fusing to be easily performed and providing the smooth paper-wrinkled portions of a flange part and a method of manufacturing the paper container, the method comprising the step of adhering a molten thermoplastic resin on the surface of the flange part only to the wrinkled portions of the flange part to close at least parts (18) of the wrinkled portions with the thermoplastic resin, whereby an energy can be efficiently controlled since the energy by ultrasonic or high frequency is not applied between paper wrinkles in the wrinkled portions (19) of the drawn paper container.
Inventors:
UEDA YOSHIKI (JP)
NAITO TOSHIYA (JP)
NAKAJIMA MASAO (JP)
NAITO TOSHIYA (JP)
NAKAJIMA MASAO (JP)
Application Number:
PCT/JP2003/006832
Publication Date:
December 11, 2003
Filing Date:
May 30, 2003
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
UEDA YOSHIKI (JP)
NAITO TOSHIYA (JP)
NAKAJIMA MASAO (JP)
UEDA YOSHIKI (JP)
NAITO TOSHIYA (JP)
NAKAJIMA MASAO (JP)
International Classes:
B29C65/00; B29C65/08; B31B45/00; B65D1/34; (IPC1-7): B65D1/00
Foreign References:
| JP2001328617A | 2001-11-27 | |||
| JP2000033927A | 2000-02-02 | |||
| JP2000033928A | 2000-02-02 |
Attorney, Agent or Firm:
Suzuye, Takehiko c/o SUZUYE & SUZUYE (7-2 Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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