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Class 425/528 - Including means to prepare parison


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus including means to treat or condition the preformed
No. of patents: 49
Last issue date: 01/31/2012


1    
NumberTitleIssue Date
8105072Apparatuses and methods for manufacturing containers
An apparatus comprises a blow-moulding mould arrangement arranged for expanding a preform to obtain a container, said blow-moulding mould arrangement comprising a die arrangement cooperating with a punch arrangement, the apparatus further comprising a compression-mo...
01/31/2012
8100687Injection blow molding device for the manufacture of a thin-walled part
The invention concerns an injecting/blowing device comprising at least one mold for injecting a thin-walled hollow preform capable of being transformed into a more voluminous hollow body by blowing, said mold including a counter mold defining the inner surface of th...
01/24/2012
7857614Continuous molding machine
Disclosed, amongst other things, is: a continuous molding machine, a cam of the continuous molding machine, a post-molding device of the continuous molding machine, a molded article handling device, amongst other things. ...
12/28/2010
7335007Quick change mold
A mold insert set is provided for use with a mold system having first and second mold bodies, the first and second mold bodies aligning opposite each other during a molding process. Each of the mold bodies has at least one insert receiving region for replaceably rec...
02/26/2008
7335011Device and method for compression moulding plastic containers
A compression-moulding press for moulding plastic containers (P) consisting of a moulding cavity formed by a plunger (5), a female mould (14), and two separable lips (7, 8). A cylinder (16) slides inside a sliding slide (22) to kee...
02/26/2008
7311513Installation for producing objects by thermoforming pellets of thermoplastic material
The installation for manufacturing objects such as receptacles by thermoforming pellets of thermoplastic material includes conveyor means for conveying the pellets through the various stations in the installation, said stations including a heating station and a ther...
12/25/2007
7270529Apparatus for blow molding
A mold assembly for blow molding comprises first and second mating mold components, each mating mold component comprising molding surfaces open to a mating face of the mold component and defining the exterior of an article to be molded from a tubular parison and at ...
09/18/2007
7220379Continuous 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...
05/22/2007
7179071Compression molding container preforms
An apparatus for supplying a mold charge for a mold cavity in accordance with one aspect of the present invention includes a mold charge chamber having a longitudinal dimension and at least two lateral inlets for supplying resin materials to the chamber such that th...
02/20/2007
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
7163390Machines and process for injection-moulding plastic material
In the molding of parisons made of thermoplastic material for making bottles for containing effervescent beverages, resistance to bursting of the bottles is increased considerably the gasket (4) between the injector nozzle (3) and the injection cavity ...
01/16/2007
7147457Injection device used for blow molding hollow plastic bodies, comprising extrusion mandrels that can be tempered and are inserted into extrusion mandrel fastener
Disclosed is an extrusion mandrel fastener (2) that is embodied as a two-piece unit comprising a supporting beam (4) and a holding beam (5) which can be joined together and are provided with semi-cylindrical recesses (7, 8) complementing ...
12/12/2006
7101167Method and a device for manufacturing a tool and a tool made by the method
A rotary tool such as a helix drill and an end mill for example, is manufactured by forming a blank by an extrusion process, and then sintering the blank. During the extrusion, a mixture is passed through a die which provides a cylindrical shape to the outer periphe...
09/05/2006
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
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
6814923Preform, intermediate article and method for manufacturing a blown finish container
A dimensionally-stable, injection-molded portion of a blow molded intermediate article is engaged by a conveyance mechanism of a trimmer to controllably drive the intermediate article within the trimmer to permit accurate and high speed severing of the injection mol...
11/09/2004
6793871Method and device for producing a large-volume container
The invention relates to a method for producing a large-volume cup-shaped or tub-shaped container made of a synthetic thermoplastic material, whereby a compact plastic, flexible hose-type preform (6) is extruded to obtain a given length and the container (...
09/21/2004
6592358Hollow article and its manufacturing method and apparatus thereof
The present invention is a hollow article with an integral impact absorbing rib and the method of manufacturing the same. The apparatus is a hollow article made of thermoplastic resin and integrally formed by blow molding, comprising a first wall and a se...
07/15/2003
6428739Method of handling and transferring a molten parison
A parison handling device has a pair of opposed arms with each arm having at least a pair of grippers to selectively engage an extruded parison and transfer it to a second location such as to a mold of a blow molding machine. At least one gripper on each ...
08/06/2002
6416313Blow molding machine for low-waste blow molding
A blow molding machine for producing three-dimensional low-waste articles including at least one horizontally separated blow mold formed of upper and lower half-molds, a device for vertically displacing at least one of the upper and lower half-molds betwe...
07/09/2002
6375453Synchronous moving and sealing apparatus for a blow-molded product
A synchronous moving and sealing apparatus for a blow-molded product is disclosed. It mainly comprises a vertical moving mechanism and a sealing mechanism. The sealing mechanism has a clamping gear activator and two pulling rod activators with two pulling...
04/23/2002
6369171Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde resin-based binders
The preparation of phenol-formaldehyde and melamine formaldehyde resin-based binders extended with a cyclic urea-formaldehyde prepolymer and to products prepared using the binders. More particularly, the invention relates to a cyclic urea prepolymer compr...
04/09/2002
6176699Parison handling device
A parison handling device has a pair of opposed arms with each arm having at least a pair of grippers to selectively engage an extruded parison and transfer it to a second location such as to a mold of a blow molding machine. At least one gripper on each ...
01/23/2001
5971740Process and apparatus for producing a container
A compression mold and blow mold are provided in spaced relationship to each other. A preform is formed from a preform precursor in the compression mold and transferred to a blow mold while maintaining the spaced relationship between the compression mold ...
10/26/1999
5649991Individual section glass container forming machine
A section of an I.S. machine for manufacturing glass containers. A gob of molten glass is delivered to a blank mold to be formed into a parison. The formed parison is then transferred to a blow mold so that an initial blowing operation can be performed to...
07/22/1997
5549468Heating lamp assembly
An alignment assembly for aligning heating lamps in a heating lamp assembly intended for use in an oven of a blow molding machine, the heating lamp assembly having a chassis removably positionable in at least one preselected location in the machine and in...
08/27/1996
5540579Injection mold used to mold a preform with a hanger
The present invention provides a preform used to mold a container with hanger. This preform has a cylindrical bottomed barrel portion, a flat plate-like hanger having a central opening formed therethrough and a connection formed on the bottom wall of the ...
07/30/1996
5498150High thermal capacity mold assembly
A mold assembly has a mold part with a plurality of elongated cavities therein forming the outer wall of a molded part and wherein a fluid cooled core is inserted within each of the elongated cavities having an outer surface forming the inner wall of the ...
03/12/1996
5340304Mold for injection molding preform with undercut lip
The present invention provides an injection mold having an injection core mold for defining the inner wall of a lip portion in a preform having an undercut, a first lip cavity mold for defining the outer wall of the lip portion having no undercut, and a s...
08/23/1994
5340302Apparatus for preparing hollow plastic article
Apparatus for forming hollow plastics including reciprocable mold portions to form a blow mold movable from an open position to a closed position a holding device for holding the parison within the blow mold. An alignment device is provided for aligning t...
08/23/1994
5178817Stretch blow molding method for manufacturing an expanded bottle
A stretched bottle (1) has an inclined mouth portion (31). The bottle (1) is formed in a manner that a straight parison is set in a blow mold (M1, M2) having an inclined cavity (20, 404) to be stretched by a stretching rod (17) durin...
01/12/1993
5124110Temperature adjusting and compressing in injection stretch blow molding for forming raised portions in the container produced
A process for forming a hollow container from a hot closed-end parison includes the steps of injection molding a hot closed-end parison, adjusting the temperature of the hot closed-end parison by heating or cooling the hot closed-end parison in a predeter...
06/23/1992
4948357Draped parison blow molding apparatus
A double-walled plastic box (20) is molded from a single parison (50) in an unlimited depth by closing the bottom of parison (50) and draping it downwardly over a core (60) so that a leading part of the parison forms an inside wall of the box and a follow...
08/14/1990
4850850Apparatus for preparing heat-set plastic hollow vessel
An apparatus for preparing a drawn heat-set plastic hollow vessel, which comprises a rotary member having a plurality of openable-closable blow-forming and heat-setting molds and preform-supporting mechanisms corresponding to said molds, a preform supply ...
07/25/1989
4846662Reverse parison draping for blow molding
A double-walled plastic box (20) is molded from a single parison (50) in an unlimited depth by closing and holding a bottom region of the parison at the bottom of a cavity (30), bringing together parts of a core (40) above the cavity to close off an upper...
07/11/1989
4746283Head tooling parison adapter plates
Plastic blow molding equipment of a type including a die housing with a tubular chamber disposed therein. The die housing includes an inner portion on the inside of the tubular chamber and an outer portion on the outside of the tubular chamber. The tubula...
05/24/1988
4690633Apparatus for preparing hollow plastic articles
The apparatus of the present invention involves transferring plastic parisons from a receiving station to a finishing station on a plurality of pallets in a single row for forming said parisons into hollow plastic articles. The pallets with parisons there...
09/01/1987
4652229Apparatus 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...
03/24/1987
4648824Injection stretching blow molding machine
In accordance with the present invention, there is provided an injection stretching blow molding machine comprising a base secured onto a machine bed, a top plate positioned above said base and connected to said base by means of a plurality of tie rods in...
03/10/1987
4529372Hollow article forming apparatus
Apparatus and method for forming hollow articles from plasticized materials are disclosed. A preform is partially formed under substantially no pressure on a preform core by introducing the core into a void-free charge of plasticized material that is plac...
07/16/1985
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