Title:
METHOD FOR MANUFACTURING PAPER CUP AND PAPER CUP
Document Type and Number:
WIPO Patent Application WO/2005/030019
Kind Code:
A2
Abstract:
Disclosed is a paper cup which exhibits an appropriate barrier performance without deteriorating properties of a content therein. In the bonded portion of a side wall of this paper cup, one end portion of a side wall paper sheet located inner side of the cup has such a structure wherein the end face of a paper base layer is covered with a barrier layer while preventing both end faces of the paper base layer and barrier layer from being exposed to the outside. An end portion (3) of a side wall paper sheet (2) which is at the inner side of a side wall bonded portion (4) of a paper cup has a paper base-absent portion (18) which extends from a circular bottom (10) to an upper rim (12). In the paper base-absent portion (18), a paper base layer-removed portion (19) wherein the paper base is die-cut is covered with a barrier layer (15), and a barrier layer-removed portion (20) which is located inner side of the paper base layer-removed portion (19) and wherein the barrier layer (15) is die-cut is covered with a thermoplastic resin layer (14). The end face of the end portion (3) wherein the paper base-absent portion (18) is located is so formed that a paper base layer (16) and the barrier layer (15) are not exposed to the outside, and the end face of the paper base layer-removed portion (19) in the paper base-absent portion (18) is covered with the barrier layer (15).
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| WO/2011/051541 | TEA CUP AND METHOD OF MANUFACTURING A TEA CUP |
Inventors:
TANIGUCHI MASAYUKI (JP)
MAKINO KAZUTAKA (JP)
MAKINO KAZUTAKA (JP)
Application Number:
PCT/JP2004/014567
Publication Date:
April 07, 2005
Filing Date:
September 28, 2004
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
MORINAGA MILK INDUSTRY CO LTD (JP)
TANIGUCHI MASAYUKI (JP)
MAKINO KAZUTAKA (JP)
MORINAGA MILK INDUSTRY CO LTD (JP)
TANIGUCHI MASAYUKI (JP)
MAKINO KAZUTAKA (JP)
International Classes:
A47G19/22; B31B17/00; B31B50/00; B65D3/06; B65D3/14; B65D3/22; B65D3/28; A47J; (IPC1-7): A47J/
Foreign References:
| JPS57133046A | 1982-08-17 | |||
| JPS51122566A | 1976-10-26 | |||
| DE3838600A1 | 1990-05-17 | |||
| US4836400A | 1989-06-06 | |||
| JPS5260776A | 1977-05-19 | |||
| JP2003191943A | 2003-07-09 | |||
| JPH1179158A | 1999-03-23 |
Attorney, Agent or Firm:
Akimoto, Teruo (Minato-ku, Tokyo 62, JP)
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