Title:
【発明の名称】容易に開封可能な包装品用積層品
Document Type and Number:
Japanese Patent JP2812951
Kind Code:
B2
Abstract:
A first web having an ionomer, or ionomer/ethylene vinyl acetate copolymer (EVA) sealant layer, heat sealed to a second web having an EVA/ethylene butene copolymer (EBC)/polypropylene (PP) sealant layer, forms an easily opened package. A layer adjacent the sealant layer of the second web optionally includes PP or ethylene propylene copolymer. With this optional layer, the sealant layer of the first web may comprise a polymeric material which forms strong interweb adhesion upon heat sealing.
Inventors:
Stephen G. Friedrick
Kent A Davis
Kent A Davis
Application Number:
JP11369888A
Publication Date:
October 22, 1998
Filing Date:
May 12, 1988
Export Citation:
Assignee:
W. R. Grace and Company-Connecticutto
International Classes:
B65D65/40; B32B27/28; B32B27/32; B65D75/30; B65D75/58; B65D75/26; B65D75/32; (IPC1-7): B32B27/28; B32B27/32; B65D65/40; B65D75/30
Domestic Patent References:
| JP6254745A | ||||
| JP4933783A |
Attorney, Agent or Firm:
Heiyoshi Odashima