| Patents for B29L 1 - Articles provided with screw threads (241) |
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| 06/07/1994 | CA1330059C Multilayer preform for hot fill containers |
| 06/01/1993 | US5215341 Structural member molded of resin having a metal ring insert and method of producing the same |
| 06/24/1992 | EP0491300A2 Thermal valve gated injection molding apparatus with melt distribution plate |
| 06/18/1992 | CA2032294A1 Thermal valve gated injection molding apparatus with melt distribution plate |
| 04/29/1992 | EP0482037A1 Procedure and machinery for the production of an assembled object. |
| 03/10/1992 | US5094603 Thermal valve gated injection molding apparatus with melt distribution plate |
| 02/06/1992 | WO1992001546A1 Injection-moulded thermoplastic container and methods for producing the same |
| 01/02/1992 | EP0315660B1 Injection core for two-component injection moulding |
| 11/13/1991 | EP0456236A2 Structural member molded of resin and method of producing the same |
| 10/15/1991 | US5056211 Method for the manufacture of a ball nut and screw spindle system |
| 08/06/1991 | US5037595 Foamed plastic barrier strip |
| 02/07/1991 | WO1991001213A1 Procedure and machinery for the production of an assembled object |
| 12/05/1990 | EP0400265A2 Method for manufacturing a ball deflector guide for a ball nut and a ball screw device |
| 08/21/1990 | US4950442 Heating rod; passing between rolls while controlling temperature |
| 03/21/1990 | EP0359131A2 Multilayer preform for hot fill containers |
| 02/13/1990 | CA1265765A1 Pilfer-proof cap and method and apparatus for making same |
| 08/30/1989 | EP0330403A2 Method of and apparatus for manufacturing racks of thermoplastic resin |
| 07/11/1989 | US4847129 Multilayer preform for hot fill containers |
| 05/17/1989 | EP0315660A1 Injection core for two-component injection moulding. |
| 04/18/1989 | US4822270 Device for forming of thermoplastic products equipped with undercuts |
| 01/12/1989 | DE3718782A1 Spritzkern fuer die verwendung bei einem zwei-stoffe-spritzgiessen The injection core for use in a two-materials-injection molding |
| 12/15/1988 | WO1988009715A1 Injection core for two-component injection moulding |
| 10/18/1988 | CA1243163A1 Mold and process for manufacturing helical shaped items |
| 09/28/1988 | EP0202231A4 Pilfer-proof cap and method and apparatus for making same. |
| 09/20/1988 | US4772198 Apparatus for injection-molding threaded plastic caps and stoppers |
| 09/07/1988 | EP0281410A2 Plastic molding of a nut |
| 04/12/1988 | US4737334 Plastic molding of an improved Luer nut |
| 12/02/1987 | EP0247689A1 Method of manufacturing a plastic or synthetic resin lid, mould adapted thereto and the lid obtained with that method |
| 09/22/1987 | US4695421 Cross holes in a helicoid screw by use of a core |
| 09/15/1987 | US4693861 Mold and process for manufacturing helical shaped items |
| 04/08/1987 | EP0217249A2 Method and apparatus for the injection moulding of covers and stoppers of plastic material provided with a screw thread, whereby the covers and stoppers are or are not with a reinforcing cage embedded in the plastic material |
| 11/26/1986 | EP0202231A1 Pilfer-proof cap and method and apparatus for making same |
| 10/21/1986 | US4618121 Mold for forming plastic cap with perforation about the periphery of the skirt |
| 02/27/1986 | WO1986001179A1 Pilfer-proof cap and method and apparatus for making same |
| 11/21/1985 | EP0161787A2 Mould and process for manufacturing helical shaped items |
| 11/10/1983 | WO1983003793A1 Device for removing cores from mouldings provided with inner threads |
| 05/03/1983 | CA1145519A1 Simultaneously molded threaded port and plug |
| 05/18/1982 | CA1123638A1 Self-locking nut and manufacture and component thereof |
| 08/11/1981 | US4282913 Self-locking nut and manufacture and component therefor |
| 07/28/1981 | US4280976 Simultaneously molded threaded port and plug |
| 09/19/1978 | US4115505 Thermoplastics, injection molding |