B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
154/80
B29C 69/00 (2006.01) B29C 51/00 (2006.01)
Patent
CA 1299479
SO5-45650C/YT/87 ABSTRACT OF THE DISCLOSURE Disclosed herein is an improved method for forming a double wall container by laminating a thermoplastic resin sheet for a container main body and a breathable thermoplastic resin sheet or film for an inner body with a low-melting adhesive heating the laminate sheet at a forming temperature, and forming the heated laminate sheet by using a male and female molds arranged with a certain space, characterized in that the container main body and the breathable inner body are separated with a prescribed distance from each other by vacuum suction through the female mold or by air pressure through the male mold. On account of the double wall structure, the container prevents the content from becoming sticky and deteriorated and keeps the content fresh.
537204
Ochi Katsutoshi
Ogawa Hisao
Shibata Hideo
Suzuki Tokitaro
Takada Masaru
Ochi Katsutoshi
Ogawa Hisao
Riches Mckenzie & Herbert Llp
Sekisui Kaseihin Kogyo Kabushiki Kaisha
Shibata Hideo
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