发明名称 FOERFARANDE OCH ANORDNING FOER STANSNING AV FOERPACKNINGSMATERIAL
摘要 <p>PCT No. PCT/SE90/00040 Sec. 371 Date Jul. 5, 1991 Sec. 102(e) Date Jul. 5, 1991 PCT Filed Jan. 17, 1990 PCT Pub. No. WO90/08018 PCT Pub. Date Jul. 26, 1990.A process and an apparatus for preventing a packaging material which is being die-cut and scored from developing cracks. A crack-reducing sheet material (17) is positioned between the cutting/scoring tools (9, 13) and the packaging material (5) to absorb impact energy from said tools and relieve the packaging material of crackproducing forces in the direction of its plane.</p>
申请公布号 SE462903(B) 申请公布日期 1990.09.17
申请号 SE19890000209 申请日期 1989.01.20
申请人 BIRGER EDHOLM;SOEREN CAVLIN 发明人 BIRGER EDHOLM;SOEREN CAVLIN
分类号 B26F1/00;B26D1/06;B26D3/08;B26D7/00;B26D7/08;B26D7/20;B31B1/14;B31B1/20;B31B1/22;B31B1/25 主分类号 B26F1/00
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