| Patents for B29L 7 - Flat articles, e.g. films or sheets (7,747) |
|---|
| 02/11/1981 | EP0023776A1 A method of heat-treating a polyolefin film |
| 01/20/1981 | CA1093934A1 Flow distribution valve system for control of extrusion from multiple die orifices |
| 01/14/1981 | EP0022278A1 Method and apparatus for longitudinally stretching a substantially amorphous polyethylene terephthalate film |
| 01/13/1981 | US4244683 Apparatus for compression molding of retroreflective sheeting |
| 01/07/1981 | EP0021159A2 Apparatus for the continuous production of foam plastic blocks or webs |
| 01/07/1981 | EP0021158A2 Apparatus for producing endless foam plastic webs, particularly rigid foam plastic webs |
| 01/06/1981 | US4243627 Polyvinyl chloride, polyvinyl alcohol, extrusion |
| 12/30/1980 | CA1092544A1 Machine for the automatic manufacture of mixtures of different kinds of caoutchouc intended to form part of a filler mixture |
| 12/02/1980 | CA1090678A1 Flow distribution valve |
| 11/18/1980 | US4234532 Simultaneous stretching of length and transverse section and heat setting |
| 10/07/1980 | US4226826 Method for manufacturing polyester films |
| 07/29/1980 | US4214640 Machine for the automatic manufacture of mixtures of different kinds of caoutchouc intended to form part of a filler mixture |
| 07/09/1980 | EP0013046A1 Process for simultaneously biaxially stretching a thermoplastic synthetic resin foil and device for carrying out said process |
| 06/25/1980 | EP0012405A1 Process for the manufacture of flat thermoplastic films having improved dimensional stability |
| 06/12/1980 | WO1980001149A1 Method for simultaneous biaxial drawing of a synthetic sheet material and machine therefor |
| 06/10/1980 | US4206980 Metl blending thermoplastic polymer with compound in which polymer will dissolve or disperse at polymer melting point but from which polymer will separate on cooling |
| 05/13/1980 | CA1077220A1 Draw plates for the production of sheet on stock composites__ |
| 03/19/1980 | EP0008693A1 Method for producing an oriented polyester film |
| 03/19/1980 | EP0008689A1 A method and an arrangement for the manufacture of a material web of foamed thermoplastics |
| 03/19/1980 | EP0008679A1 Method for producing a polyester film |
| 03/18/1980 | CA1073623A1 Biaxially stretched polyolefin foil |
| 01/29/1980 | CA1070466A1 Extrusion process |
| 01/23/1980 | EP0007196A1 Filter means for high viscosity liquids and process for the filtration of molten polymers employing such filter means |
| 12/18/1979 | US4179081 Apparatus for application of plastics stretch films |
| 11/20/1979 | US4175177 Crosslinkable copolymer of a lactone and a polyfunctional acrylate |
| 10/31/1979 | EP0005077A1 Extrusion apparatus and method of use thereof |
| 10/30/1979 | CA1065276A1 Diaphragm electrolytic cell |
| 10/30/1979 | CA1065239A1 Process for the continuous overlap welding of plastic sheets or panels |
| 09/05/1979 | EP0003846A1 A process for producing a crosslinkable copolymer of a lactone and a polyfunctional acrylate, the so obtained copolymer, a method for the manufacture of articles therefrom and the so formed articles |
| 07/31/1979 | CA1059278A1 High modulus polyethylene |
| 07/17/1979 | US4161385 Extrusion apparatus for producing composite structures |
| 07/17/1979 | CA1058362A1 Process for the extrusion of a plastic foil having small variations in thickness |
| 07/10/1979 | US4160638 Apparatus for forming sheets of foamed synthetic plastics material |
| 05/15/1979 | CA1054323A1 Device for stretching laminating interlayers |
| 03/20/1979 | US4145173 Film-forming head |
| 02/13/1979 | US4139338 Air ring for the production of blown film |
| 12/05/1978 | US4128386 Apparatus for the extrusion of patterned sheets or panels of thermoplastic synthetic resin compositions |
| 11/28/1978 | US4127373 Extruder and twin roller calendering plant |
| 08/08/1978 | US4104769 Apparatus for stretching film |
| 05/16/1978 | US4089758 Electrolytic process |
| 02/28/1978 | US4076785 Method of and apparatus for increasing the production output of stretched flat film webs composed of thermoplastic material |
| 12/06/1977 | US4061519 Process for the continuous overlap welding of plastic sheets or panels |
| 06/07/1977 | US4028031 Screw extruder and calender assemblage |
| 04/05/1977 | US4015919 Multi-roll calender for rubber or synthetic plastics materials |
| 03/22/1977 | US4013745 Process for the extrusion of a plastic foil having small variations in thickness |
| 03/15/1977 | US4011874 Dorno ray transmitting sheet |
| 10/05/1976 | US3984509 Extrusion process for mixtures of elastomer particles and resin particles |