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Patent Searching and Data


Title:
LASER-WELDED SEALED PACKAGE AND SEALING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2010/024189
Kind Code:
A1
Abstract:
Disclosed are packages that comprise laminated materials, and sealed packages comprising sealing members that hermetically seal said packages. Said laminated materials comprise a base material layer, a thermoplastic resin layer containing iron powder, and a thermoplastic resin layer that transmits laser beams, and at least the surface of said sealing member that contacts the package is made of thermoplastic resin that can transmit laser beams. By the contact surfaces of said package and sealing member being hermetically sealed by laser welding, laser welding can be performed effectively utilizing the iron powder that has conventionally been effectively used as an oxygen absorber in packaging containers.

Inventors:
SHINOZAKI KIYOTAKA (JP)
INABA SHOICHI (JP)
SHINAGAWA YOSHIAKI (JP)
IIDA JIRO (JP)
Application Number:
PCT/JP2009/064615
Publication Date:
March 04, 2010
Filing Date:
August 21, 2009
Export Citation:
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Assignee:
TOYO SEIKAN KAISHA LTD (JP)
SHINOZAKI KIYOTAKA (JP)
INABA SHOICHI (JP)
SHINAGAWA YOSHIAKI (JP)
IIDA JIRO (JP)
International Classes:
B65D77/20; B65B7/28; B65D81/26
Foreign References:
JP2000128166A2000-05-09
JP2006341869A2006-12-21
JP2007261667A2007-10-11
JP2007523807A2007-08-23
JP2008050020A2008-03-06
JP2000128166A2000-05-09
JP2001152985A2001-06-05
JP2005187798A2005-07-14
Other References:
See also references of EP 2316749A4
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
Ono Pure in addition (JP)
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