Class 264/539 - Including extrusion

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which material is shaped to the cross section
No. of patents: 40
Last issue date: 01/18/2011

Number	Title	Issue Date
7871558	Containers intended for moisture-sensitive products A container for a moisture-sensitive product. The container has an openable container body defining an interior volume for holding the product. More specifically, a rigid container defining an interior volume for holding a moisture-sensitive product, and comprising ...	01/18/2011
7115309	Synthetic resin preform to be biaxially stretched and blow molded into a bottle The blow molded preform of a laminated wall structure comprises a bulging shoulder portion which has a diameter that widens slightly in the downward direction; a bottom shell portion for molding a bottom, which has been blow molded from a corresponding portion of a ...	10/03/2006
7097446	Blow-molded container and closure, and method and apparatus for making same A blow-molded plastic container and reinforced lid are simultaneously produced in a blow mold. A lid is reinforced by having a portion of the lid formed by blow molding techniques and another portion of the lid formed by compression molding techniques. The container...	08/29/2006
7001564	Dual-chamber container and closure package A one-piece integrally molded container includes a finish having a deck and a pair of outlet openings surrounded by associated annular walls. A peripheral ring extends upwardly from the deck, and has a radial lip that helps retain the container in the mold tooling d...	02/21/2006
6968980	Pour spout fitment and container The present invention is directed to a pour spout fitment that has an enlarged spout opening thereby making it less susceptible to double pouring and advantageous for dispensing new flowable product forms such as gels. The pour spout opening is large relative to the...	11/29/2005
6926792	Method of fabricating an air-bag and an air-bag fabricated by the method In manufacturing an air-bag (1) which is formed from two super-imposed layers of fabric (2) interconnected by a plurality of seams (3), a sealant material is applied to the interior of the air-bag. The sealant material is applied by introducing ...	08/09/2005
6913729	Large blow moldings made from polyethylene Large blow moldings are made from polyethylene of density ρ≧0.94 g/cm3 and of melt flow rate MFR 190/21.6	07/05/2005
6796785	Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article An apparatus for manufacture of a hollow article having a configuration in which the wall thickness of each of both end portions changes multidirectionally with extremely high accuracy. The apparatus includes an annular orifice nozzle including a nozzle core and a n...	09/28/2004
6749796	Device for producing extrusion blow-molded containers with at least two chambers A process for producing containers involves a tube and at least one separating partition, both formed from plasticized synthetic material. The partition extends within the tube. The tube and partition are extruded into an opened blow mold. The blow mold is then clos...	06/15/2004
6602459	Dual-chamber container, and method and apparatus for its manufacture A method of fabricating a dual-chamber plastic container in an injection/extrusion/blow-molding operation, in which a container finish is first injection molded. The finish mold tooling is then moved axially upwardly as plastic continues to be extruded th...	08/05/2003
6500380	Method and apparatus for making a plastic container with drain back spout A one-piece self-draining container and method and apparatus for forming same. The container includes a body and a finish wall extending upwardly from a body opening. The finish wall surrounds a dispensing spout which extends above the top of the wall. A ...	12/31/2002
6290094	Integrally blow-molded container and closure A blow-molded container (10) having a closure flap (14) formed of compressed material (32) integral with the container (10). Preferably, the container body (12) has a normally-closed fill port (16) and a dispensing port (18) which can be selectively opene...	09/18/2001
6238615	Orientated gel molding method of polyolefin based resin composition The present invention provides method of molding a polyolefin-based resin comprising the steps of dissolving at least one dibenzylidene sorbitol compound in a molten polyolefin resin, cooling the molten resin to a temperature not higher than the sol-gel t...	05/29/2001
6159416	Stretch blow molded container and production process thereof The invention provides a stretch blow molded container formed from a thermoplastic resin material which comprises polyglycolic acid having (a) a repeating unit represented by the following formula (1): ##STR1## (b) a melt viscosity, η* [as measured at a ...	12/12/2000
6015626	Weather-resistant, plasticizer-free, deep-drawable film Described is a weather-resistant, plasticizer-free, deep-drawable film based on a semicrystalline ethylene/propylene/diene terpolymer and a homo- and/or copolymer of an alkene plus stabilizers and optional fillers, lubricants, pigments, and other ordinary...	01/18/2000
5962096	Flexible tube and method of making A flexible plastic tube and a method of forming a flexible plastic tube includes injection molding a finish having an opening, extruding a tube integrally with the finish by relevant movement of the finish with respect to an extruder, moving the finish ax...	10/05/1999
5885517	Method of making a plastic container having an injection molded finish with an integral closure attached thereto The plastic container and body including a body portion, a neck defining a finish and having an opening therein and a closure connected to the end of the neck by a strap. The strap is formed with a weakened line such as to define a integral hinge about wh...	03/23/1999
5882574	Injection extrusion blow molding process for making multiple compartment plastic containers The multiple compartment plastic container comprises an injection molded finish having a circumferential wall and at least one diametrical wall dividing the finish into at least two passages and an extruded and blow molded body integrally attached to said...	03/16/1999
5858301	Valve gate-type injection molding method and apparatus therefor A valve pin (4) for controlling an injection amount of molten resin is inserted into a cavity (13), and then the molten resin is injected by way of a gate (10) along the surface of the valve pin (4) into the cavity (13) to be dropped therein, and tip ends...	01/12/1999
5800770	Method of making a flexible tube In a method and apparatus wherein a container is formed, decorated by rotating the container and then the base of the contianer is cut off for a plastic tube, a container is formed with a diametral lug on the base to facilitate rotating the container duri...	09/01/1998
5704507	Plastic container with integral flexible handle A plastic container comprising hollow plastic body including a side wall, a base wall, a shoulder, an integral neck and an integral finish on the upper end of the neck. An integral laterally extending flexible handle is provided on the neck below the thre...	01/06/1998
5688570	Method and apparatus for forming a multi-layer preform A preform mold assembly for the injection molding of a multi-layer preform for use in the blow molding of container. The preform mold assembly comprises a preform mold having a gate for receiving molten plastic material. The preform mold has a cavity with...	11/18/1997
5632951	Method of making a flexible plastic tube A flexible plastic tube and a method of forming a flexible plastic tube includes injection molding a finish having an opening, extruding a tube integrally with the finish by relevant movement of the finish with respect to an extruder, moving the finish ax...	05/27/1997
5330342	Apparatus for and method of manufacturing of preforms having a longitudinal wall with a variable cross section An apparatus for manufacturing a tube-like preform having a longitudinal wall with a variable cross-section for blow molding of a hollow body from a thermoplastic material, includes a tubular die having a variable exit opening, and a collar die having a r...	07/19/1994
5275780	Blow molding method for forming a lightweight plastic bottle A method and apparatus for forming a lightweight plastic bottle having a body and an integral handle includes pre-blowing a tubular parison positioned between partible blow mold sections, closing the blow mold sections to compression mold the handle and b...	01/04/1994
5262119	Plastic system for injection molding and extruding a hollow tube for forming a plastic container by blowing A plastic system for extruding injection molding and extruding a hollow tube from plastic containing heat sensitive material for thereafter forming into a plastic container by blowing including an extruder for melting the plastic and delivering it to an i...	11/16/1993
5261795	Volumetric pump and process for volumetric pumping A volumetric pump for paste-like material, for example, unvulcanized rubber, in which a screw 21 feeds a cylinder 11 through ports 12 and in which a delivery piston 10 within the cylinder displaces the material through a non-return valve 15. A process for...	11/16/1993
5242653	Injection-extrusion blow molding process for forming a bioriented hollow body A process and apparatus for the injection-extrusion blow molding of a hollow tubular plastic product useful as a liquid container or the like, and which includes the steps of injecting a predetermined amount of the thermoplastic resin into a tubular cavit...	09/07/1993
5114659	Blow molding method for forming a one-piece self-draining container A self-draining container and method of forming. The container includes a body and a wall extending upwardly from a body opening. The wall surrounds a dispensing spout which extends above the top of the wall. A web joins the wall and the dispensing spout ...	05/19/1992
4849154	Method for molding plastic container with an integrally formed chime structure A method for forming a plastic container having an integrally formed chime structure is disclosed. A lower mold is raised toward but does not contact an extrusion die. Molten resin is then filled into the lower mold and subsequently the lower mold is rais...	07/18/1989
4816304	Multi-layer gas-barrier drawn polyester vessel Disclosed is a multi-layer gas-barrier drawn polyester vessel, which comprises an open end portion, a barrel portion which is molecularly oriented in at least one axial direction and a closed bottom portion, said vessel having inner and outer layers compo...	03/28/1989
4806093	Apparatus comprising a ring-shaped nozzle, for manufacturing a hollow body comprised of plastic material In an apparatus comprised of a ring-shaped nozzle in a nozzle piece, which ring-shaped nozzle has a reciprocally movable nozzle cone piece, wherewith the cone piece and nozzle piece together define a ring-shaped nozzle opening, it is desired to modify the...	02/21/1989
4594212	Method for the manufacture of tubular preforms of plastics The invention relates to a method for the manufacture of tubular preforms. Its purpose is to improve the flow pattern in the plastics chamber and simultaneously to shorten the dwell time of the plastics. This is achieved, in the course of the dip blow met...	06/10/1986
4204826	Blow molding apparatus Apparatus for blow molding consisting of a preform station where a blank is shaped around a mandrel and a blow station where the blank is formed in a mold, the mandrel being removed from the blank and a compressed air member being applied to the orifice o...	05/27/1980
4188179	Apparatus for manufacturing a blown synthetic hollow body with a closed bottom portion An apparatus for manufacturing a blown hollow body having a closed bottom portion from a synthetic material comprising a ring nozzle extruder, a head portion forming section, and a multisectional blow-mold wherein extension pieces of each mold section fro...	02/12/1980
4144013	Injection blow molding method and apparatus A method and apparatus of injection blow molding containers utilizing injection and blow mold members opening on horizontal parting lines wherein the core pins are moved radially and wherein the core pins are first positioned in a lower half of the mold a...	03/13/1979
4118452	Two-stage process for industrial blow molding An improved method and apparatus for two-stage blow molding especially suitable for large plastic containers, wherein an overhead shuttle mechanism transfers a blown preform from a preform station to a final blowing station and then to a separation statio...	10/03/1978
4086315	Production of hollow plastic bodies Hollow plastic bodies are obtained by a process wherein plastic material is blown within a mold. This process includes heat injecting of the plastic material under pressure into a mold having a blow plunger and centering means for the head of the plunger ...	04/25/1978
3984513	Continuous injection-blow molding method The novel method comprises sequential and repetitive steps in which a series of core rods are moved into parison molds, plastic is injected into the molds to form a sheath of plastic about the rods, the plastic-sheathed rods are transferred to blow molds,...	10/05/1976
3944642	Method for blow molding plastic articles This invention relates to a method for blow molding articles, such as handled containers, having injection molded portions integrally formed with blow molded portions. The method includes forming a tubular blowable parison, blowing this parison in a pre-f...	03/16/1976

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Class 264/539 - Including extrusion