发明名称 Device and method for reducing the effective cutting surface of a cutting machine
摘要 The invention provides apparatus for reducing the working area for cutting on a cutting machine for cutting a stack (1) of sheet material, the machine being provided with an automatic moving cutting tool (4) and with suction apparatus for holding the stack covered in air-impervious film (5) down on a cutting table (3) having a conveyorized support surface 3a. The apparatus comprises the air-impervious film (5) for covering the stack (1), an air-impervious movable mask loop (6) designed to cover a portion of the table (3), and a low friction block (65) for positioning the mask (6) over the portion of the table. The mask (6) covers the portion of the table and holds down the film (5) and the mask (6) when suction is applied beneath the table. The mask (6) is able to move across the portion of the table when a conveyor (62) transfers the stack (1) by use of the conveyorized support surface 3a.
申请公布号 US5924185(A) 申请公布日期 1999.07.20
申请号 US19970938458 申请日期 1997.09.29
申请人 LECTRA SYSTEMES 发明人 LALLEMENT, REGIS
分类号 B26D7/01;(IPC1-7):B26D7/01 主分类号 B26D7/01
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