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Class 264/520 - Including application of internal fluid pressure to hollow finite length preform to force same into conformity with female mold part


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which a finite length preform is forced into
No. of patents: 118
Last issue date: 06/23/2009


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NumberTitleIssue Date
7550105Apparatus and method for strengthening blow molded articles
A method and apparatus are provided for strengthening a portion of a blow molded bottle. The method includes directing a jet of cooled air at a preform before it is molded, causing the wall thickness in the cooled area to remain thicker after molding to strengthen t...
06/23/2009
7364688Method for post-molding a molded article conditioning apparatus with a selectively controlled transfer flow structure
A cooling tube assembly for operating on a malleable molded plastic part. The cooling tube assembly comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with the porous tube. In use, the vacuum ...
04/29/2008
7316797Synthetic resin container having a craze pattern thereon and method for producing the same
A synthetic resin container according to the invention has a craze pattern on the outer surface of its body. The container comprises an inner layer that comes into direct contact with content during its storage, an outer layer laid over the inner layer, and a transl...
01/08/2008
7306760Process and apparatus for producing bottle-shaped container made of synthetic resin
A method for producing bottle-type containers made of a synthetic resin, e.g., polyethylene-terephthalate resin, includes a heat treatment step for heating and crystallizing a neck portion of a perform corresponding to a neck portion of a container. In a first stage...
12/11/2007
7255826Container with a foldable portion and method for manufacturing the same
The invention relates to a container which is formed at the upper portion of the main body with the foldable portion having folding lines for easily folding the foldable portion. Processes for forming the container include a first step for forming a perform by injec...
08/14/2007
7229587Blow molded container having holes therein and method and apparatus for facilitating the creation thereof
A method and apparatus for facilitating the creation of holes in a blow molded container is disclosed generally comprising first and second mold portions mounted adjacent each other along a seam and a mechanism for creating holes at the seam. In some embodiments, fi...
06/12/2007
7226472Catheter balloon with advantageous cone design
The present invention provides a catheter balloon having an advantageous cone design. In particular, the catheter balloon has at least one cone section with a volume in mm3 such that, when the ratio of one cone volume to the transverse cross-sectional are...
06/05/2007
7172087Squeezable container and method of manufacture
A plastic container includes a finish, a shoulder extending from the finish, a closed base, and a sidewall connecting the shoulder to the base. The sidewall is of blow molded construction and generally uniform wall thickness. The sidewall has an array of circumferen...
02/06/2007
7150845Mould with turnable middle section
A method and molding tool for the molding of both one- or multi-component parts preferably comprising plastic material which may be integrated together with parts of another material, such as steel and copper, where the turnable middle section during the molding pro...
12/19/2006
7108497Interchangeable blow mold parison closing apparatus
The invention provides a blow mold parison closing apparatus having actuators which are interchangeable. The closing apparatus includes an attachment block having a cylinder body mount and holder/guide support, a pinch bar spaced apart from the attachment block, the...
09/19/2006
7097446Blow-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
7056465Post mold cooling apparatus and method having transverse movement
Post mold cooling apparatus and method having transverse movement preferably includes structure and/or steps for cooling a plurality of plastic articles molded on a row of mold cores. A post mold cooling device is provided having (i) a first row of cooling tubes con...
06/06/2006
7052270Post mold cooling apparatus
Post mold cooling apparatus and method having transverse movement preferably includes structure and/or steps for cooling a plurality of plastic articles molded on a row of mold cores. A post mold cooling device is provided having (i) a first row of cooling tubes con...
05/30/2006
7026377High performance fiber reinforced thermoplastic resin, method and apparatus for making the same
A process for producing a fiber-reinforced molded article and the resulting article such as a cantilevered battery tray. In the process, thermoplastic material in its solid state having a melt flow index above 25 g/10 minutes is fed into a suitable processing machin...
04/11/2006
7005097Medical devices employing chain extended polymers
Medical devices such as catheters and balloons are formed from a thermoplastic polymer composition comprising a melt mixture product of at least one terminally reactive polymer and a chain extender. ...
02/28/2006
6957954Post-mold cooling apparatus
The present invention relates to an improved method and apparatus for injection molding and cooling molded articles such as preforms so as to avoid crystallinity. The apparatus and method make use of a take-off plate for removing articles from a mold, which plate ma...
10/25/2005
6951452Cooling station for post mold cooling of plastic pieces
Method and apparatus for cooling molded plastic pieces preferably includes a take out structure/step configured to hold the plurality of plastic parts oriented such that closed ends thereof are disposed toward an inside of the take out structure and open ends thereo...
10/04/2005
6916442Process and device for the extrusion-moulding of hollow bodies made of a thermoplastic
Process and device for the extrusion-moulding of hollow bodies made of a thermoplastic, comprising the extrusion of a tubular parison, its deposition via the use of a robot arm in a preforming device which takes it into a lower part of a mold in which the parison is...
07/12/2005
6915560Apparatus for contracting, loading or crimping self-expanding and balloon expandable stent devices
An apparatus for manipulating a medical device is formed of at least three coupled movable blades which are disposed about a reference circle to form an aperture whose size may be varied. The aperture capable of being sized to contain a medical device. Each blade is...
07/12/2005
6910596Water bottle with handle
A liquid storage bottle is provided with a generally cylindrical liquid storage chamber and an integral handle. A well is formed in the liquid storage chamber to accommodate the handle. The walls of the well are configured to prevent water from pooling thereon, and ...
06/28/2005
6890621Stretch blow receptacle and molding method of the same
Improve the strength of the stretch blow receptacle and make the heat resistant treatment easier, by making the receptacle wall cross-section multi-layered in view of crystalline density, and the crystalline density of the surface layer high density. The inventions ...
05/10/2005
6888103Preform preheater
A housing is mounted to a slide that transports a series of preforms downward under the influence of gravity through a pre-heating apparatus toward a reheat blow molding machine. The housing is coupled to the slide so that a selected portion of each of the series of...
05/03/2005
6855289Method and apparatus for cooling during in-mold handle attachment
Method and apparatus for in-mold handle attachment, wherein a portion of a blow-molded container is formed about a retaining member on a handle during blow molding. After forming the container portion about the retaining member, a cooling medium is directed at the l...
02/15/2005
6835439Panel for air bags and method of manufacturing the same
A panel for an airbag of an automobile is formed by integrally molding a cover body, which is made of a synthetic resin, with a main body, made of another synthetic resin. The panel includes a joint portion, joined with the cover body, and provided around an opening...
12/28/2004
6749794Method and apparatus for molding components with molded-in surface texture
An automobile interior trim component includes a molded substrate laminated onto a cover sheet including a foam backing and a skin film having a surface texture. The cover sheet is preheated so the skin film is in a melted viscous liquid state above its melting temp...
06/15/2004
6730259Method for stretch blow molding wide-mouthed container
A method for stretch blow molding a wide-mouthed container, employing a preliminary stretching before stretch blowing without making an upper body portion thickened so as to thin the wall thickness from the connecting portion between the mouth portion and the body p...
05/04/2004
6660214Pressure vessel manufacture method
A method of molding a hollow, reinforced molded plastic article. A preform is provided in the shape of the article to be molded. The preform comprises randomly commingled, short lengths of thermoplastic and reinforcing fibers loosely bonded together. A co...
12/09/2003
6555046Injection stretch blow molding method
A required preform 2 is molded by rapidly cooling molten resin which has been injected and filled into an injection mold. The preform 2 is held by its neck portion with a neck mold and is mold-released in a high temperature state. A bottle 1 having a thin...
04/29/2003
6485666Post extrusion profile processing
This invention relates to the post-extrusion processing of extruded profiles in an economic manner. The first process step involves heating at least a portion of the extruded profile in a preheated profile heating means to a first temperature at which the...
11/26/2002
6465061Paper composite for making packages for liquid or granular products
A paper composite for realizing packages in three-dimensional form having a layer of yieldable paper with a degree of yieldingness in any direction not less than 10% and impermeablilizing film having a yieldingness compatible with yieldable paper. A metho...
10/15/2002
6444159Blow mold shell and shell assembly
An improved blow mold shell, and a blow mold shell assembly, for use in blow molding containers is disclosed. The blow mold shell comprises an elongate unitary blow mold shell body defining a partial molding cavity, the partial molding cavity having a con...
09/03/2002
6241938Single-stage apparatus and method for producing containers made of thermoplastic material
A method of producing parisons of thermoplastic material, which includes the steps of injection of plasticized resin into a plurality of multiple-cavity molds, removal of the parisons from the respective injection molds and transferring parisons to condit...
06/05/2001
6217817Method for blow-molding tube container
A blow molding method for molding tube containers by introducing blow air into a parison having been extruded by an extruder is disclosed, which comprises introducing blow air into the parison to shape a tube container and form a discharge outlet in part ...
04/17/2001
6168748Method of balloon formation by cold drawing/necking
A method for forming a balloon for a dilatation catheter involving the steps of extruding a segment of thermoplastic material, maintaining the center portion at a temperature below the glass transition of the thermoplastic material, drawing the segment to...
01/02/2001
6168740Partial crystallization method of amorphous plastic articles
A plastic article is formed in an injection mold by injecting molten plastic into the injection mold at an elevated temperature, cooling the plastic from the molten condition to a solid condition, and crystallizing a portion of the plastic by slowing down...
01/02/2001
5951938Process for injection stretch blow molding
An improved method for injection stretch blowing is provided. In the process, a molten resin is injected into an injection cavity defined by an injection mold, a lip mold and an injection core to form a desired preform, the cooling time for this preform b...
09/14/1999
5869110Container molding apparatus
An apparatus for molding a container has a standby section disposed between a heating section and a blow molding section. A preform is supported by carrier members, and is intermittently carried from the heating section via the standby section to the blow...
02/09/1999
5851478Molding method and cooling apparatus for pressure resisting bottles of synthetic resin
A biaxially stretched blow molded bottle of a synthetic resin having a big foot type petaloid bottom is produced in a blow time of not more than 3 seconds, and after the bottle has been released from the mold, the temperature of the bottom portion of the ...
12/22/1998
5807520Method of balloon formation by cold drawing/necking
A method for forming a balloon for a dilatation catheter involving the steps of extruding a segment of thermoplastic material, maintaining the center portion at a temperature below the glass transition of the thermoplastic material, drawing the segment to...
09/15/1998
5792414Method of manufacturing a container with improved wall uniformity and reduced material
A method of manufacturing a container, wherein less material is required to produce the container, the container has a more uniform wall thickness, and malformations around the neck of the container are significantly reduced. The method includes forming p...
08/11/1998
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