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Title:
NOVEL PROCESS FOR LONGITUDINAL SEALING OF BEVERAGE PACKAGE BOX PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2008/145014
Kind Code:
A1
Abstract:
A novel process for longitudinal sealing of beverage package box packaging material. It cuts the paper with a gap of 6-16 mm wide before the paper is coated, compounding the paper with plastic film and aluminum foil, cutting the central line open with both sides left with 3-8mm plastic edges, with one edge super positioned on the other, heat welding to the seal packing box, the said paper having a cutting width of 10-12 mm. It changes previous multi layer compound process, with first open then close, ensuring the vertical seal of the packing material, saving the expensive sealing strip and structures to stick the strips.

Inventors:
WU JIANGUO (CN)
SU CHUANYAO (CN)
PENG ZHAOBIAO (CN)
LIU LIHUA (CN)
Application Number:
PCT/CN2008/001015
Publication Date:
December 04, 2008
Filing Date:
May 26, 2008
Export Citation:
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Assignee:
WU JIANGUO (CN)
SU CHUANYAO (CN)
PENG ZHAOBIAO (CN)
LIU LIHUA (CN)
International Classes:
B31B50/64; B31B50/20
Foreign References:
JP2004284594A2004-10-14
CN2072524U1991-03-06
CN2341944Y1999-10-06
US6986730B12006-01-17
US20020088730A12002-07-11
CN101058240A2007-10-24
Attorney, Agent or Firm:
SHANGHAI ZHI XIN PATEMT AGENT LTD. (1233 Xie Tu Road, Shanghai 2, CN)
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