发明名称 Ski - with core of polyurethane foam and sliding sole of polyethylene
摘要 A ski comprising a core obtd. from a foam block is produced by (a) heating to 150-190 deg.C a piece cut in a hard, heat deformable block of foam contg. urethane and/or isocyanate gps. of density higher than 100 kg/m3, and having the dimensions of a ski of max. height, (b) compressing this piece in a cold mould or slightly heated mould into a double corner ski, (c) introducing into a ski mould a sliding sole of polyethylene, a prepreg, the core from (b) and a layer of metal or plastics lining and opt. other decorative layers, and compressing hot. The obtd. ski is also claimed.
申请公布号 FR2627701(A1) 申请公布日期 1989.09.01
申请号 FR19890001735 申请日期 1989.02.10
申请人 DANUTEC WERKSTOFF GMBH 发明人 RUEDIGER SPAUN;JOHANN SCHMID
分类号 A63C5/12;A63C5/14 主分类号 A63C5/12
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