发明名称 |
METHOD FOR MANUFACTURING FOAM SHEET BODY, AND FOAM SHEET BODY |
摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a foam sheet body avoiding a damage such as a cut in the selvage before reaching a molding roll with retaining easy moldability of a cap. SOLUTION: A cap film CF manufactured by forming a plurality of projecting caps CFa by heating a film made into the film in advance and by performing vacuum forming or air-pressure forming thereof is welded on a flat back film BF made into the film in advance under a non-heated condition through a sealant layer P comprising a molten resin successively extruded from a flat die 5 under a thermoplastic condition. COPYRIGHT: (C)2008,JPO&INPIT |
申请公布号 |
JP2008062504(A) |
申请公布日期 |
2008.03.21 |
申请号 |
JP20060242577 |
申请日期 |
2006.09.07 |
申请人 |
KAWAKAMI SANGYO CO LTD |
发明人 |
KITAZAWA MASAKAZU;IWASAKA MASAKI |
分类号 |
B29C47/02;B29K105/04;B29L9/00;B32B3/26;B32B27/00 |
主分类号 |
B29C47/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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