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    • 36. 发明专利
    • DE10356665A1
    • 2005-07-07
    • DE10356665
    • 2003-12-04
    • BENECKE KALIKO AG
    • BUEHRING JUERGENHUELSEWEDE VOLKER JOERGOHLINGER RAINERSCHAEFER BURKHARD
    • B29C51/14B29C51/26B29C59/00B29C69/00B29C71/04B32B3/26B32B3/28B32B3/30B32B5/18B32B27/32B32B38/06B32B38/12C08J7/18B29D9/00B60R13/10C08J5/18C08L23/16
    • Foamed polymeric material with a density of 35-120 g/l and a gel content of less than 80 (preferably 30-70) % is used as the lower foil component of a laminate with an upper foil based on partly crosslinked polymer (especially polyolefin), which is embossed, exposed to electron beam radiation and then deep-drawn to form grained, multilayered mouldings. A method (M1) for the production of grained, multilayered moulded products (I) comprising an upper foil containing partly crosslinked polymer materials (preferably based on polyolefin) and optionally other additives and laminated with a lower foil, in which the laminate is embossed, treated with electron beam radiation (EBR) to give the graining stability required for deep drawing processes and then deep-drawn to give (I). The lower foil comprises a foamed polymeric material with a density of 35-120 g/l and a gel content of less than 80 (preferably 30-70) %. Independent claims are also included for (1) a method (M2) for the production of (I) in which the EBR-treated, grained laminate is further processed to a formed product in a single operation (not under vacuum and especially without using an adhesive system), by pressing a prefabricated, preheated support material onto the preheated back of the laminate or by bonding a plastified starting material for the support with the back of the laminate in a mould (2) supported, grained, multilayered products (I) with good grain stability and a matt surface, made by M1 or M2, in which the upper foil (as above) shows a gel content of 20-70 (preferably 25-60) wt% .
    • 38. 发明专利
    • DE10110922B4
    • 2004-08-05
    • DE10110922
    • 2001-03-07
    • BENECKE KALIKO AG
    • MAEKER MICHAELVOGT GUENTEROHLINGER RAINER
    • B29C59/04B29D99/00B29K9/00B29K33/18
    • A process for the production of an embossing roller comprising silicon rubber for the continuous embossing of the surface of a thermoplastic film comprises use of a laser beam to form a positive of the structure to be replicated on the circumference of a secondary roller followed by casting of a silicon rubber negative which is removed and attached to the circumference of the embossing roller. A process for the production of an embossing roller comprising silicon rubber for the continuous embossing of the surface of a thermoplastic film whereby the embossing of the surface comprises a negative pattern of the surface structure to be embossed, preferably of a grained structure and is characterized by production of a secondary roller that comprises, at least in the region of its circumference, a plastic or metal material having a smooth circumferential surface followed by directing of a laser beam onto the circumference which is moved relative to the surface and controlled in relation to the surface structure of a real or imaginary pattern sample such that a positive representation of the surface structure is produced on the circumferential surface of the secondary roller. A uniformly thick layer of silicon rubber is cast or applied to the circumferential surface and vulcanized to form a daughter embossing tool that is peeled from the secondary roller and adhered to the circumference of an embossing roller with the negatively structured embossing surface to the outside.
    • 39. 发明专利
    • PT1238789E
    • 2004-06-30
    • PT02003490
    • 2002-02-15
    • BENECKE KALIKO AG
    • OHLINGER RAINERMAKER MICHAELVOGT GUNTER
    • B29C59/04B29D99/00B29K9/00B29K33/18B29D31/00
    • A process for the production of an embossing roller comprising silicon rubber for the continuous embossing of the surface of a thermoplastic film comprises use of a laser beam to form a positive of the structure to be replicated on the circumference of a secondary roller followed by casting of a silicon rubber negative which is removed and attached to the circumference of the embossing roller. A process for the production of an embossing roller comprising silicon rubber for the continuous embossing of the surface of a thermoplastic film whereby the embossing of the surface comprises a negative pattern of the surface structure to be embossed, preferably of a grained structure and is characterized by production of a secondary roller that comprises, at least in the region of its circumference, a plastic or metal material having a smooth circumferential surface followed by directing of a laser beam onto the circumference which is moved relative to the surface and controlled in relation to the surface structure of a real or imaginary pattern sample such that a positive representation of the surface structure is produced on the circumferential surface of the secondary roller. A uniformly thick layer of silicon rubber is cast or applied to the circumferential surface and vulcanized to form a daughter embossing tool that is peeled from the secondary roller and adhered to the circumference of an embossing roller with the negatively structured embossing surface to the outside.