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Class 264/503 - Shaping against interior of a forming surface by rotation of material or material shaping member


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which rotating motion is imparted to the material
No. of patents: 77
Last issue date: 10/05/2010


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NumberTitleIssue Date
7807095Air mat and method for manufacturing and device of molding the same
The present invention relates to a method for manufacturing an air mat that reduces the number of manufacturing processes by means of rotational molding, while preventing the generation of defective products, to a device for molding an air mat, and to an air mat man...
10/05/2010
7252280Method and device for manufacturing pellets of hot-melt ink
A method for manufacturing pellets of hot-melt ink which includes the steps of filling molten ink into a mold cavity defined by a first die and a second die of a mold, allowing the ink to cool down and solidify in the mold cavity, and heating at least one of the fir...
08/07/2007
7238015Control system for continuous rubber molding apparatus
A control system for continuous rubber molding apparatus comprising; a feed portion for feeding a rubber material previously removed of foreign substances or particles in the previous step; an extruder for kneading the fed rubber material and feeding forward the kne...
07/03/2007
7198746Method of connection with synthetic resin member
A method for connecting a member includes the steps of providing a member to be connected having a flange at an end to be connected with a bucklingly deformable synthetic resin member having an overhanging portion which overhangs the flange. A synthetic resin member...
04/03/2007
7157039Method and apparatus for producing a curly puff extrudate
A process and apparatus for the production of a spiral or coil shaped puffed extrudate. A tube or other peripheral containment vessel is placed at the exit end of an extruder die. A force or resistance is then applied on the extrudate downstream of the glass transit...
01/02/2007
7125466Method of preparing a molded cross vehicle beam
A method of preparing a molded cross vehicle beam which includes a hollow blow molded thermoplastic rigid member that is integrally attached to a rigid support, e.g., a U-shaped metal plate, and at least one attachment element, is described. The rigid support (12...
10/24/2006
7067084Package for a pharmaceutical product and method of manufacturing and sterilizing the package
The invention relates to a plastic package for a pharmaceutical product, particularly a blister package to dispense liquids or strings, and a method of manufacturing and sterilizing said package. The blister package (1) consists of a lower base portion (2
06/27/2006
7059187Seamless pressure vessel
A seamless marine fuel tank having directly mechanically fastened component parts such as a fuel withdrawal assembly and a direct-sight fuel gauge system. The fuel withdrawal system contains a split-nut fastening device which fastens the system to the tank and allow...
06/13/2006
7037098Device for producing plastic pipes
An apparatus for producing seamless plastic tubes comprises an injection head to which molten plastic material is fed by an extrusion device. The injection head has a plate-shaped distribution device 13a, 13b having an intake opening 2...
05/02/2006
7025843Articles comprising a polyolefin-based element joined to a polyamide-based element, and process for obtaining them
The invention concerns manufactured articles comprising at least two assembled thermoplastic elements, a first element based on polyolefin and a second element based on polyamide. The elements are assembled by being welded together. ...
04/11/2006
7018579Manufacturing system and process
A manufacturing system and method for use in the production of high strength plastic materials which can be used in the construction arts. The system and method includes a central rotary mold element which has vacuum means and cooling means placed inside thereof. He...
03/28/2006
6976835Manufacturing system and process
A manufacturing system and method for use in the production of high strength plastic materials which can be used in the construction arts. The system and method includes a central rotary mold element which has vacuum means and cooling means placed inside thereof. He...
12/20/2005
6969741Polyethylene compositions for rotational molding
Polyethylene blend compositions suitable for rotomolding, rotomolded articles, and processes for rotomolding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.4 to 3.0 g/10 min and a density of from 0.910 to 0...
11/29/2005
6966765Rotating circular die
A rotating circular die for mounting on an extruder. The die incorporates an inner component comprising a cone with support independent of the outer component and extruder, thereby permitting forward and backward adjustment of the inner component in relation to the ...
11/22/2005
6926656Method and apparatus for fabricating corrugated composite stiffeners
An apparatus and method for fabricating corrugated composite stiffeners provides a base tool having grooves formed in an outer surface and a roller having a rotating shaft and a removable, lobed, elastomeric member surrounding the shaft. The lobes of the elastomeric...
08/09/2005
6712234Fuel tank and method for its production
A fuel tank has a plurality of fuel system components therein and is formed by incorporating the fuel system components into the fuel tank as it is being formed. The fuel system components may be mounted on a carrier and then disposed with the carrier within a paris...
03/30/2004
6686034Process for producing a fiber-reinforced thermoplastic resin molded product and product thereby produced
A new process for producing a fiber-reinforced thermoplastic resin molded product with a high mechanical strength and no heat substantial deterioration of the resin, by an efficient heating without applying shear stress to the fiber-reinforced thermoplast...
02/03/2004
6551675Manufacturing method of a copolyester containing ethylene naphthalate unit (EN) and its application
A manufacturing method of the copolyester containing 2,6-ethylene naphthalate unit (EN) by using 2,6-naphthalenedicarboxylic acid (NDA), purified terephthalic acid (PTA), and ethylene glycol (EG) to proceed with esterification or by using dimethyl 2,6-nap...
04/22/2003
6533988Rotational moulding process of ethylene polymers or copolymers having a controlled particle size and morphology
Rotational moulding process for polymerizing or copolmerizing ethylene for manufacturing ethylene polymers or copolymers having a controlled particle size and morphology. Ethylene is polymerized or copolymerized under ethylene polymerizing conditions in t...
03/18/2003
6524514Method and device for producing fibrous materials from thermoplastic materials
The invention relates to a method for producing fibrous materials from thermoplastic material, wherein thermoplastic material is molten and fed into a rotating reactor to form a molten film and the fibers are formed on and stretched out along an open edge...
02/25/2003
6394783Continuous rotary melt thermoformer
An apparatus for thermoforming a thermoplastic article comprises an extrusion die for extruding a sheet of thermoplastic and a rotating wheel having at least one mold member. The mold member includes a male mold or forming cavity for receiving at least a ...
05/28/2002
6258453Thermoplastic composite materials made by rotational shear
A composite with a thermoplastic matrix and fiber reinforcement is made by rotation of an exit die about a roving of continuous fiber in the presence of a thermoplastic melt. The rotation causes opposing inner and outer helical flow conditions which reduc...
07/10/2001
6224817Method and apparatus for making containers from thermoplastic materials
A container (5) such as a bottle made of thermoplastic material and provided with a bottom wall having an inwardly convex curved central portion (3) is disclosed. The container is produced by blow moulding a blank (4) with at least one incipient bottom re...
05/01/2001
6193924Storage tank assembly
A method of making a container assembly comprises the step of molding a container body over a portion of a plastic fixture. A plastic fixture is disposed in the mold. The mold has an inner surface defining an outer surface of a container. The fixture incl...
02/27/2001
6132668Biaxially oriented ordered polymer films
This invention relates in general to the formation of thick films having a biaxial molecular orientation. Such films are prepared in accordance with the present invention from rod-like extended chain aromatic-heterocyclic ordered polymers. Such films have...
10/17/2000
6045737Coextrusion of liquid crystal polymers and thermoplastic polymers
A flat and nearly mechanically isotropic polymer film or sheet, or a tube, can be formed by laminating two or more films, preferably by coextrusion of a liquid crystal polymer film and a thermoplastic polymer film. A liquid crystal polymer layer may be co...
04/04/2000
6007760Method of producing inflation film, apparatus therefor and molded articles thereof
A method of producing an inflation film which includes the steps of melting an ultra-high-molecular-weight polyolefin in an extruder, extruding the molten polyolefin from a screw die, and blowing a gas into a molten tubular film formed by extrusion. An ap...
12/28/1999
5948343Hollow shaped molded article, hollow shaped molding process and hollow shaped molding device
The invention relates to a hollow shaped molding process which comprises injecting a molten resin into a main cavity which has an injection port provided with a floating core at its one end and a sub-cavity at the other end through an openable communicati...
09/07/1999
5827471Blow molded container with improved neck with locking teeth and method for forming same
A blow molded container is provided which includes a neck portion having locking teeth with features which ensure the proper formation of the teeth. Specifically, the container neck portion includes an annular inclined surface extending from both the uppe...
10/27/1998
5756167Rigid elongated member for use in vehicles and producing method and apparatus therefor
A method of producing an elongated member having a main body portion and terminal portions extending form ends thereof includes bending an elongated strip between circumferential faces of first forming rolls and second forming rolls having parallel centra...
05/26/1998
5753173Method of manufacturing a blood oxygenation system
A novel integral cardiotomy/venous blood reservoir, blood oxygenator and heat exchanging device, method of making a blood oxygenating and heat exchanging device and an extracorporeal circulatory support circuit. The reservoir includes a novel blood defoam...
05/19/1998
5651935Spiral die and laminate production method using same
A spiral die for forming a laminate includes an outer die ring, an inner die ring inserted into the outer die ring with a fit clearance therebetween, a plurality (m, a positive integer greater than 1) of spiral grooves each having a gradually decreasing d...
07/29/1997
5614275High-relief, resiliently flexible, composite molded plastic product
A high-relief, resiliently flexible composite molded plastic product (21). The product (21) includes a relatively rigid injection molded core member (22) having a pair of oppositely facing core shoulders (26,27), and a plastic sleeve member (23) with slee...
03/25/1997
5554248Method for manufacturing a livestock feeder
A method for manufacturing a livestock feeder for retaining hay so that livestock can consume the hay without trampling thereon is disclosed which includes forming a plurality of leg members and a plurality of retainer members connectable to the leg membe...
09/10/1996
5503543Prosthetic casting machine
A prosthetic casting machine receives an amputated stump while a patient is standing so that a hard socket can be made based upon the shape of the stump when it is under load. The machine includes a brim for accommodating an above-the-knee stump or a reta...
04/02/1996
5501831Method for preparing interpenetrated polymer films
This invention relates in general to a method for the formation of films having a controlled molecular orientation prepared from rod-like extended chain aromatic-heterocyclic ordered polymers, and containing a binder in the micro-infrastructure. Such film...
03/26/1996
5374389Process for producing a container with at least one chamber formed by a tubular body
In a double chamber container, the inner chamber is formed by a tubular body of an elastic rubbery material stretched in order to expel a pressurized substance against its own elasticity. To obtain a precise stretching ratio of the tubular body and to emp...
12/20/1994
5350471Production of cross-laminated film from tube
A cross-oriented multi-layer laminated plastic film is produced by first providing a flattened tubular plastic film having a outer plastic film layer with a first melting temperature and an inner plastic film layer with a second melting temperature lower ...
09/27/1994
5242737Surface structured film made of thermoplastic and a process to manufacture such
A biaxial stretch oriented and heat-set film made of thermoplastic is described. The film has, on at least one of its surfaces, a surface roughness (Ra) of greater than 0.003 μm. The surface roughness is the result of an integral texturing of ...
09/07/1993
5232763Bituminous coating material and a process for producing a bituminous coating on a support
A bituminous sheet or web coating material (1) is on the one side provided with a heat activatable adhesive layer (3) optionally covered by a plastic film (5), wherein the adhesive layer is provided with a pattern of close grooves (4) with intermediate un...
08/03/1993
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