Patents for B29C 49 - Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor (26,476)
12/1976
12/28/1976US4000102 Process for the manufacture of antistatic and biaxially oriented polypropylene film
12/28/1976US3999927 Apparatus for feeding and discharging blow molds
12/28/1976US3999925 Extruder for corrugated tube
12/28/1976US3999915 Liner feeder apparatus
12/21/1976US3998579 Device for producing externally ribbed pipes of plastic
12/21/1976US3998577 Temperature controlled core rod
12/21/1976US3998576 Machine for producing blown hollow plastic articles
12/21/1976US3998331 Method and apparatus for handling and trimming blow molded articles
12/14/1976US3997642 Method for transferring and heating a deformed and one-sided wall-thickness parison
12/14/1976US3997641 Molding uncured rubber, curing
12/14/1976US3996967 Reinforced lining for tubes
12/07/1976USRE29065 Method for blow molding
12/07/1976US3996323 Extrusion, pressurization
12/07/1976US3995990 Pre-form reheat oven for stretch blow molding machines
11/1976
11/30/1976US3994992 Biaxially oriented polymeric sheet having attenuated blocking tendencies and a method of attenuating
11/30/1976US3994655 Blowmolding machine
11/30/1976US3994651 Apparatus for removing waste portions from hollow moulded articles
11/30/1976US3994649 Apparatus for making plastic containers
11/30/1976US3994647 Blow molding apparatus
11/30/1976US3994646 Apparatus for producing double-walled tubes of plastic material
11/30/1976US3994644 Extruder head for extruding an outer tube or sheath about an inner tube or cable
11/23/1976USRE29045 Method for blow molding plastic articles
11/23/1976US3993723 Heat exchanging with a fluid
11/23/1976US3993427 Movable preform locator and blow air valve apparatus for a blow molding machine
11/09/1976US3990827 Apparatus for making corrugated plastic pipe with integral coupler collars
11/09/1976US3990826 Injection blow molding apparatus
11/02/1976US3989786 Method for removing surplus plastic material from the neck portions of blow molded bottles or the like
11/02/1976US3989784 Method of making blow molded plastic articles
11/02/1976US3989442 Apparatus for blow molding thermoplastic material
11/02/1976US3989437 Moulding apparatus
11/02/1976US3989045 Hypodermic syringe
10/1976
10/26/1976US3988101 Machines for treating filaments of plastics materials
10/26/1976US3988100 Apparatus for injection blow moulding
10/19/1976US3986807 Blow molding apparatus
10/19/1976US3986806 Injection moulding apparatus
10/12/1976US3985850 Adjusting parison alignment by temperature control of picker finger
10/12/1976US3985849 Preparation of biaxially oriented polyvinyl alcohol film
10/12/1976US3985827 Packaging; diene rubber and styrene or alpha-methylstyrene, acrylonitrile graft polymer
10/12/1976US3985485 Blow molding apparatus with multiple cycle core rods
10/12/1976US3985265 Destacking assembly
10/12/1976US3985251 Method for handling workpieces
10/05/1976US3984513 Continuous injection-blow molding method
10/05/1976US3984498 Blown thermoplastic bottle and method for making same
09/1976
09/28/1976US3983199 Method for making plastic articles having blown and non-blown portions
09/28/1976US3982877 Apparatus for expanding sealing a laminated plastic preform
09/28/1976US3982872 Lateral transfer loading apparatus for stretch blow machines
09/28/1976US3982635 Feeding and discharging apparatus for blow molding operation
09/21/1976US3981952 Fibrous materials
09/21/1976US3981673 Parison transfer means
09/21/1976US3981668 Apparatus and method for longitudinal stretch for blow molding
09/21/1976US3981667 Takeout apparatus for a blow molding machine
09/21/1976US3981663 Apparatus for making high speed corrugated plastic tubing
09/14/1976US3980744 Extrusion of hollow articles through a lubricated die
09/14/1976US3980418 Guide assembly for air-expanded thermoplastic tubes
09/07/1976US3979491 Thermoplastic resins, nitriles
09/07/1976US3979393 Imidyl- and isoimidyl-phthalic anhydrides, process for their manufacture and their use for curing epoxide resins
08/1976
08/31/1976US3978184 Method of two-step blow molding employing a transfer clamp
08/31/1976US3977822 Apparatus for continuous stretch-blow molding
08/31/1976US3977585 Demoiling apparatus
08/31/1976US3977553 Unitary thermoplastic container having breakaway cap which protects sterile interior access barrier
08/24/1976US3976732 Method for the extrusion of tubular thermoplastic film
08/24/1976US3976414 Apparatus for the production of double-walled synthetic plastic tubes having a transversely corrugated outer wall and a smooth inner wall
08/24/1976US3976411 Apparatus for calibrating synthetic-resin tubing
08/24/1976US3976410 Extrusion processes and apparatus therefor
08/17/1976US3975618 Method and apparatus for heating synthetic plastic components
08/10/1976US3973941 Method of producing a blown bottle having means determinative of relationship between the bottle body and the annular position of associated means mounted on the finish
08/10/1976US3973897 Forming molecularly oriented containers from preforms
08/10/1976US3973896 Blow molding apparatus
08/03/1976US3972976 Method for longitudinal stretch of a parison to be blow molded
08/03/1976US3972669 Multi-stage blowmolding apparatus
07/1976
07/20/1976US3970421 Blow moulding method
07/20/1976US3970419 Apparatus for controlled processing of blown plastic articles
07/20/1976US3970418 Apparatus improvements for controlling parison length
07/13/1976US3969455 Method for forming, sealing, capping and pasteurization of beverage in plastic container
07/13/1976US3969060 Apparatus for deforming a tubular slug of thermoplastic material
07/13/1976US3969059 Continuous rotary apparatus for blow-molding plastic hollow bodies
07/13/1976US3968829 Molding apparatus with shielding mold member
07/06/1976US3967996 Method of manufacture of hollow pieces
07/06/1976US3967516 Trimming blow molded plastics articles
06/1976
06/29/1976US3967025 Magnetic recording material
06/29/1976US3966686 P-benzamide, p-phenylene terephthaloyl hydrazide recurring units
06/29/1976US3966382 Apparatus for forming thin-walled plastic articles
06/29/1976US3966378 Apparatus for making oriented hollow plastic articles
06/22/1976US3964856 Vacuum moulding techniques
06/22/1976US3964852 Device for producing hollow bodies of thermoplastic material
06/15/1976US3963404 Method and apparatus for multiple blow molding with rotary turntable
06/15/1976US3963399 Injection-blow molding apparatus with parison heat redistribution means
06/15/1976US3963398 Injection blow molding apparatus for hollow article having openings at both ends
06/15/1976US3962938 Method and apparatus improvements for trimming plastic articles
06/15/1976US3962760 Laminating interlayer expanding apparatus
06/08/1976US3962396 Process for manufacturing a triple-wall container
06/01/1976US3961113 Thermoplastic preform and heated mandrel constructions
06/01/1976US3960474 Apparatus for manufacturing reinforced plastic containers by blow molding
05/1976
05/25/1976US3959427 Method for manufacturing a plastic tube
05/25/1976US3959426 Thermoplastic
05/25/1976US3959052 Wrap around heat shrinkable article
05/25/1976US3958685 Coupling for handling workpiece, conveyor combined therewith, and method
05/18/1976US3957934 Thermoplastics
05/18/1976US3957415 Method and apparatus for converting nestable plastic containers into non-nestable containers products
05/11/1976US3956441 Method of making a blown bottle having a ribbed interior surface