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Class 425/396 - Corrugating platens or dies


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus wherein at least one of the opposed coacting shaping
No. of patents: 168
Last issue date: 02/10/2009


1          
NumberTitleIssue Date
7488169Three-dimensional structure and method and apparatus for manufacture thereof
A three-dimensional structure, and a method and device for producing the structure, where the structure has pressure resistant characteristics despite its voluminous and elastic nature and has higher resistance to surface wear and mechanical dimensional stability th...
02/10/2009
7429171Device for sheet material corrugation
The device contains the transformable mandrel (12) made of plane elements (14) pivotedly connected in-between with the use of gas-proof fabric (15,16), the means for preliminary and final mandrel transformation including the flexible vacuum cham...
09/30/2008
7306448Mobile impression half-mould for a corrugator for making pipes with transverse ribs
A half-mold for a corrugator for making pipes with transverse ribs. The half-mold comprises two sides located spaced apart from each other and a semi-cylindrical base surface linking the two sides. Directly mounted forming elements bent in the shape of a semicircle ...
12/11/2007
7267535Pipe molding apparatus with mold tunnel air turbulence
An extruding apparatus which extrudes continuous length of hollow plastic product has an extruder (3) which feeds molten plastic through die equipment (5) to a mold tunnel (7) formed by side by side moving mold blocks (9). The apparatus i...
09/11/2007
7264462Consolidated cellulosic article having increased thickness and target face density and apparatus and method for manufacturing same
A consolidated cellulosic article of increased thickness and target face density, as well as an apparatus and method of manufacturing same, are disclosed. The apparatus includes first and second dies adapted to move toward one another with a mat of cellulosic materi...
09/04/2007
7220114Equipment and process for producing a molded article
The present invention relates to a process and equipment for producing a molded article, especially a flat molded article, which has cavities and webs between the cavities, which webs essentially join two disks, wherein the equipment includes a press mold with a die...
05/22/2007
7213508Molded egg-shaped food product, and method and mold for making same
A mold for making an egg-shaped food product includes top and bottom mold halves which cooperate when joined to form an egg-shaped interior mold cavity adapted for receiving a liquid foodstuff. The top and bottom mold halves define a plurality of thermal transit hol...
05/08/2007
7207791Device for the production of transversely ribbed pipes
Described is an apparatus for the production of transversely ribbed tubes comprising mold jaw halves which are movable in a condition of bearing against each other along two guide. The guide paths have a common mold section, a respective return section and two respe...
04/24/2007
7175412Heat pressing die set for forming embossed designs on garments
A heat pressing die set for forming embossed designs on garments includes a male and a female die seat on which a silicon and a metal die are respectively supported. The silicon and the metal die are cut according to given designs to form complementary male and fema...
02/13/2007
7172402Mold jaw halves for an apparatus for producing transversely ribbed tubes
Described is a mold jaw half for an apparatus for the production of transversely ribbed tubes, wherein the mold jaw half (16) has end faces and a base face and in its interior a cooling passage with a coolant feed and a coolant discharge, which open at a spac...
02/06/2007
7153124Preforming thermoplastic ducts
There are provided apparatuses and related methods for preforming sheets to form preforms for forming ducts. The preforms can be formed of a thermoplastic material, such as flat sheets of reinforced thermoplastic, which can be lightweight, strong, and perform well i...
12/26/2006
7153117Device for producing tubes provided with cross ribs
Described is an apparatus for the production of transversely ribbed tubes, comprising mold jaw halves which are circulatingly moved in a condition of bearing against each other along two endless guide paths by means of a respective associated drive device, wherein t...
12/26/2006
7150622Systems for magnification and distortion correction for imprint lithography processes
The present invention is directed toward a system to vary dimensions of a template in order to attenuate if not prevent distortions in an underlying pattern formed by the template. To that end, the system features a compression device that includes a pair of spaced-...
12/19/2006
7118369Corrugated pipe plant
The present invention relates to an apparatus for the manufacture of corrugated pipes from thermoplastic in which mould segment halves, which complement one another in pairs, are guided together in a circuit along a mould path adjacent to an injection head, are move...
10/10/2006
7014449Process and apparatus for forming dual hose cuffs, hose, e.g. corrugated hose, provided with cuffs, hose cuffs and hose, e.g. corrugated hose, provided with cuffs formed by such process
Apparatus and process for forming dual hose cuffs for being split to provide one hose cuff on one length of hose, particularly a corrugated hose, and another hose cuff on another length of hose, particularly a corrugated hose. Cuffs, or hose cuffs, formed by such pr...
03/21/2006
7001171Apparatus and methods for managing molds and forming transverse corrugations and other shapes in extruded tubular polymer melt parisons
A corrugator and mold management apparatus and methods for continuously forming transverse corrugations and other shapes in a tubular polymer melt parison formed by an extrusion die employs a plurality of molds that interlock when mated. Each mold has common outside...
02/21/2006
6986862Method of making three-fold bellows and an arrangement for carrying out the method
A vulcanization mold (2) includes several segments (8a, 8b; 10a, 10b; 12a, 12b; 14a, 14b) which define two end profiles (8, 10) and two inne...
01/17/2006
6939503Method and apparatus for the manufacture of pipes of thermoplastics with transverse profile features
A method and an apparatus for the manufacture of pipes of thermoplastics with transverse profile features comprises mold segment halves which are circulated by twos on a molding path. A conveying device of the type of a gantry crane is provided for recirculation of ...
09/06/2005
6877976Molding die for ribbed pipe
A ribbed pipe molding apparatus has a die with a plastic flow passage which carries molten plastic from an extruder to a mold for making the ribbed pipe. The plastic flow passage has a downstream flow region which exits at an acute angle through the external surface...
04/12/2005
6773253Device for producing profiled tubes consisting of synthetic material
An apparatus for the manufacture of profiled plastic pipes comprises a machine bed (1) that half shells (2, 2′) are guided on, forming a molding path (9). A driving pinion (17) is provided above the molding path (9). At least one...
08/10/2004
6764627Method of making corrugated part
A method for continuously forming molded parts includes providing an extruder; directing a hollow column of plastic material from the extruder; providing a plurality of die blocks each including planar end segments having differing geometry and joined by the interme...
07/20/2004
6752955Method of manufacturing a boot seal
In a process and an apparatus for making a plastic sleeve (56), plastic is fed into an extruder die (216). The plastic is extruded from the extruder die (216) as a molten plastic stream into a mold cavity (272) having an inner wall (27...
06/22/2004
6719942Method and apparatus for production of tubing
A method and apparatus for producing an extruded product includes a machine that cooperates with an extruder. The machine is commonly used as a corrugator and the extruded product is often corrugated piping. The machine has a frame supporting a trackway in a continu...
04/13/2004
6659759Apparatus for the production of a recording medium
A sheet used as a spacer layer is made of photo-curing organic material and thermoplastic organic material, a stamper is pressed on the sheet, and light irradiating is performed after the stamper is stripped....
12/09/2003
6652258Mold block for thermoforming large diameter corrugated plastic pipe
Mold blocks and methods for thermoforming corrugated plastic pipe that provide a uniform vacuum on the internal lateral surface and optimize forced convective cooling on exterior surface is disclosed. Mating mold blocks have an interior surface with trans...
11/25/2003
6644951Molding apparatus with mold block section transfer system
A molding apparatus which is used in a continuous molding operation includes an endless looped track, track carriers which are moved around the track to and from a product shaping mold region and a transfer system for replacement of mold block members use...
11/11/2003
6485286Exchangeable corrugator
The invention provides a molding apparatus and particularly a corrugator for manufacturing pipes, particularly corrugated pipes, having at least two series of circulation mold jaw parts, which form a molding channel in a predetermined area, and wherein th...
11/26/2002
6457965Apparatus for the manufacture of corrugated plastic pipes
An apparatus for the manufacture of corrugated plastic pipes comprises half shells. Each half shell has a base body which consists of a metal of a higher thermal conductivity and a lower specific gravity than steel and which holds a core. Provided in the ...
10/01/2002
6358034Molding machine with mold block carriage
A molding machine including a plurality of carriages for carrying mold blocks in an axial direction. The carriages each include wheels on opposite sides which follow a guide track along an endless path including a molding section extending in the axial di...
03/19/2002
6309205Device for producing cross-finned pipes
Described is an apparatus for the production of transversely ribbed tubes, having mold jaw halves which bear against each other along a common mold section and form a mold passage. Each mold jaw half has a cooling passage which is produced directly during...
10/30/2001
6210617Apparatus and method for adjusting a mandrel and kernel while producing a plastic pipe
The present invention relates to an apparatus for producing pipes of a moldable material, preferably plastic, comprising an extruder, a cylindrical mold comprising chill molds (4, 5), a mandrel (8) inside the extruder and a kernel (9) as an extension of t...
04/03/2001
6206670Process for the production if transversely ribbed tubes
Described is an apparatus for the production of transversely ribbed tubes, having mold jaw halves which bear against each other along a common mold section with front faces and form therebetween a mold passage. Each mold jaw half has vacuum passages which...
03/27/2001
6193496Molding machine with mold block carriage
A molding machine including a plurality of carriages for carrying mold blocks in an axial direction and a track for the carriages including a molding section, the track including spaced apart channels receiving the carriage wheels for guiding the carriage...
02/27/2001
6155813Pipe molding apparatus with air assist of plastic onto cooling plug
A pipe molding apparatus for forming double walled plastic pipe comprises an extruder which feeds first and second parisons of flowing plastic material to a moving mold tunnel to make respectively the outer and inner walls of the pipe. The moving mold tun...
12/05/2000
6149421Device for producing cross-finned pipes
Described is an apparatus for the production of transversely ribbed tubes, having mold jaw halves which bear against each other along a common mold section with front faces, and form a mold passage. Each mold jaw half is connected at a surface to a suppor...
11/21/2000
6120721Process for the production of pile-up lids
A process for the production of pile-up lids, each of which comprises an upper wall (1) and an element (2) arranged around the perimeter of said upper wall (1) and which forms a lip (3) protruding above said upper wall (1), and skirt (4) extending below s...
09/19/2000
6089851Mold block with air flow control
A mold block which is used in a moving mold tunnel comprises first and second mold block sections which meet at their parting faces to close the mold block. Each mold block section has a product shaping interior surface and an air movement passage having ...
07/18/2000
6045347Apparatus for the production of plastic compound pipes
An apparatus for the production of plastic compound pipes has a pipe head and half shells completing each other in pairs to form a mold. The pipe head has a supporting ring, which is joined to a connecting piece of an extruder by a first adjusting device....
04/04/2000
6015282Apparatus for the production of corrugated plastic tubes
In an apparatus for the production of corrugated plastic tubes an extrusion device passes plastic material into a perpendicularly arranged injection head for injecting the plastic material into a perpendicularly arranged mold section comprising at least t...
01/18/2000
6004125Apparatus for the production of pile-up lids
An apparatus for the production of pile-up lids, each of which comprises an upper wall (1) and an element (2) arranged around the perimeter of said upper wall (1) and which forms a lip (3) protruding above said upper wall (1), and skirt (4) extending belo...
12/21/1999
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