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Class 264/529 - Including plural distinct steps of differential fluid pressure induced expansion


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which expansion by differential fluid pressure
No. of patents: 146
Last issue date: 02/22/2011


1        
NumberTitleIssue Date
7892477Process and device for the manufacture of a particularly heat-resistant hollow body
A process and a device for the manufacture of a hollow body, particularly of a heat-resistant hollow body, which is molded out of a heated preform of thermoplastic plastic in a contoured blow mold through the introduction of a first medium into the preform, which me...
02/22/2011
7887743Method and apparatus for blow-molding containers
The method and the apparatus serve for blow-molding containers. After thermal conditioning, a parison is formed into the container within a blowing mold of a blow-molding machine (41) by the action of blow-molding pressure. The required blow-molding gas is pr...
02/15/2011
7485251Method for producing bottle-shaped container mainly made of polyethylene terephthalate resin
A method for producing a bottle-shaped container that is highly thermally resistant and shows an excellent shaping/shape-keeping property in a short period of time is provided. The method for producing the bottle-shaped container mainly made of polyethylene terephth...
02/03/2009
7473389Method and device for blow-forming containers
The invention relates to a method and to a device which is used to blow-form containers (2). A preform (1) is stretched inside a blow form (4) by a horizontal bar (11) after thermal conditioning and is shaped in the container by means of ...
01/06/2009
7320586Container blowing device
The invention concerns a device for blowing containers, in particular bottles, from a preform with a gas and recuperating said gas, comprising at least means for supplying the device with gas at a first pressure and at a second pressure, drawings means and container...
01/22/2008
7316798Biaxial orientation blow molding process
The double blow molding process comprises a primary blow molding step of biaxially drawing and blow molding the preform into a primary intermediate product, a step of heating the primary intermediate product to shrink-mold it into the secondary intermediate product,...
01/08/2008
7287658Container having a base with a convex dome and method of use
A polymeric container for holding a fluid and a gas includes a specially designed base. The base includes an annular outer ridge connected to a convex dome by a flexible annular joint. During a hot fill operation, the structure of the base resists outward deformatio...
10/30/2007
7264458Process and apparatus for forming medical device balloons
Medical device balloons are formed from a tubular parison by a process or apparatus which establishes a controlled location (initiation zone) on the parison where radial expansion is initiated. Initiation within the initiation zone is achieved by heating the parison...
09/04/2007
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
7220332Electrical cable
An electrical cable of the present invention comprises a plurality of spaced, parallel flat conductors. Each of the plurality of flat conductors was previously integral with each immediately adjacent flat conductor. A dielectric material is holds the conductors in t...
05/22/2007
7182906Moisture curable balloon materials
The present invention relates to a catheter device having a dilatation balloon formed from a polymeric material crosslinked by moisture through —Si—O—Si— linkages, and to a method of making the same. The polymeric material is formed by reacting at least one ...
02/27/2007
7175791Process for producing dish-shaped moldings of thermoplastic material
A process for the production of dish-shaped moldings or hollow bodies of thermoplastic material comprises the step of producing an at least approximately tubular preform by the extrusion of thermoplastic material. The preform is axially divided to form at least one ...
02/13/2007
7172721Thermoplastic molding process
The invention provides a novel thermoplastic molding process useful in the manufacture of hollow, deformable thermoplastic articles such as hollow doll heads. In the process of the instant invention, a parison is formed at a first injection station and is transferre...
02/06/2007
7157040Helical blow molding preform and method of manufacturing
A multiple cavity bottle is manufactured by injection molding a preform having a helical septum and blow molding the preform to create a bottle having a helical septum separating the bottle into two cavities. The helical septum is molded with a twist sufficient to a...
01/02/2007
7153455Method of making a stretch/blow molded article (bottle) with an integral projection such as a handle
The method involves making a hollow blow molded thermoplastic article having an integral handle. An unblown preform of polyethylene terephthalate (PET) is inserted into a blow mold and thereafter stretched by a stretch rod. Blow gas is then injected into the interio...
12/26/2006
7153127Method and apparatus for blow molding hollow plastic containers
A mold system for blow molding hollow plastic containers includes an extruder for providing a hollow tube of plastic material having a longitudinal axis. Three mold segments include at least two mold segments that are movable against the third mold segment, in direc...
12/26/2006
7141202Method and apparatus for blow molding a bottle with a punched hole in a molded neck recess
A method for blow molding bottles having a hole formed in a molded interior recess extending from a top face of a bottle neck includes the steps of: (i) providing a mold having a neck forming cavity with an end flange surface therein; (ii) disposing a parison of mol...
11/28/2006
7115309Synthetic 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
7108826High compliance, high strength catheter balloons useful for treatment of gastrointestinal lesions
Balloon especially useful for dilatation of gastrointestinal lesions have a burst pressure of at least 9 atmospheres, a diameter at 3 atmospheres of about 5 mm or more, and an average compliance over the range of from 3 atmospheres to burst of at least 3% per atmosp...
09/19/2006
7101597Medical devices made from polymer blends containing low melting temperature liquid crystal polymers
A medical device, at least a portion of which is composed of a polymeric material in which the polymeric material is a melt blend product of at least two different thermoplastic polymers, one of the thermoplastic polymers being a thermoplastic liquid crystal polymer...
09/05/2006
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
7080746Pinch grip type bottle-shaped container
A bottle-shaped container according to the present invention is of pinch grip type and includes a container body having opposed recesses formed at sidewall regions of a main body portion of the container body, respectively, to thereby form a grip part of the contain...
07/25/2006
7066345Bottom structure of bottle-shaped container made of synthetic resin
A bottom structure of a biaxially-oriented blow-molded bottle-shaped container is made of a synthetic resin and includes a neck, a shoulder, a body and a bottom. The bottom has a connecting cylindrical wall, a tapered-cylindrical wall, a bottom wall and a grounding ...
06/27/2006
7052644Continuous production of molded plastic containers
A system for making plastic containers includes a source for providing a continuous stream of molten plastic, and a cutter for severing a continuing series of individual mold charges from the continuous molten plastic stream. A compression molder includes a pluralit...
05/30/2006
7033535P.E.T. off-center neck bottle and its manufacturing method
For the manufacture of a polyethylene terephalate (P.E.T.) bottle with an off-centre neck, a preform is heated and its body is slightly angled with respect to its neck by sideways displacement. The preform is inserted in a blowing mould. A tilted stretching rod is a...
04/25/2006
7029732Medical device balloons with improved strength properties and processes for producing same
A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elo...
04/18/2006
7021920Method and apparatus for blow molding a bottle with a punched hole in a molded neck recess
An apparatus for blow molding bottles having a hole formed in a molded interior recess is provided. The apparatus includes a mold having a neck forming cavity having an end flange surface. A recess forming rod is slideable within a hole in the end flange surface fro...
04/04/2006
7017763Base having a flexible vacuum area
A non-round base structure for a hot-fill plastic container provides the container with enhanced structural integrity. The base structure is roughly rectangular and is composed of a flexible vacuum absorbing area and a bearing edge which support the container in an ...
03/28/2006
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
6997336Plastic cafare
A plastic carafe includes a body portion having an enclosed base defined by a plurality of upstanding posts and a plurality of panels separating the posts from one another. The carafe further includes a neck portion having a blown finish at the top of the carafe tha...
02/14/2006
6974047Rectangular container with cooperating vacuum panels and ribs on adjacent sides
The present invention provides an improved blow molded plastic non-round container having generally rectangular sidewalls that are adapted for hot-fill applications. The hot-fill container has two adjacent sides one with a vacuum panel and the other with a series of...
12/13/2005
6971530Plastic container having stepped neck finish
The improved plastic container and preform is light weight and includes a base, a cylindrical sidewall projecting upwardly from the base, and a neck finish projecting upwardly from the sidewall and having an opening to the inside of the container. The neck finish in...
12/06/2005
6964347Handy bottle and process for manufacturing same
A handy bottle is capable of absorbing deformation strain caused by variation of capacity, is easy to lift and carry because of its recessed portions for gripping and is excellent in dropping strength and capable of not buckling while maintaining moldability and lig...
11/15/2005
6945957Valve treatment catheter and methods
The invention provides a catheter for insertion into a biological passage which contains a first flowing fluid, the catheter including a tubular member having a proximal end and a distal end; a fluid delivery lumen contained within the tubular member; an inflatable ...
09/20/2005
6946174Moisture curable balloon materials
The present invention relates to a catheter device having a dilatation balloon formed from a polymeric material crosslinked by moisture through —Si—O—Si—linkages, and to a method of making the same. The polymeric material is formed by reacting at least one o...
09/20/2005
6939569Medical device having anti-infective and contraceptive properties
There is disclosed a medical device for implantation that acts to prevent transmission of infectious agents. Specifically, the present invention provides implantable devices, such as catheters or living skin matrices or wound dressings, for insertion into various bo...
09/06/2005
6926859Method of forming container with high-crystallinity sidewall and low-crystallinity base
A method of making a polyester container having an enhanced level of crystallinity in the sidewall while maintaining a low level of crystallinity in a thickened base portion. The container is particularly useful as a refillable container which can withstand higher c...
08/09/2005
6916167Method and apparatus for extrusion blow molding of shapes with an even wall thickness and varying radii
A method of extrusion blow molding is disclosed; the method allows the finished part to have consistent and even wall thickness within a broad range of local mold radii. This result is achieved without resorting to injection blow molding or other common techniques o...
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
6884382Stretched container threads and method of manufacture
A method of making a plastic container having a body and a finish with at least one external thread includes injection or compression molding a plastic preform having a body and a finish with at least one external thread, blow molding the body of the preform to form...
04/26/2005
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