Class 425/516 - Extrusion

Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus wherein the shaping means has a shape imparting
No. of patents: 37
Last issue date: 12/19/2006

Number	Title	Issue Date
7150845	Mould 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
7108501	Injection blow moulding apparatus for producing biaxial oriented thermoplastic containers The present invention refers to an Integrated Injection-Stretch-Blow Mold suitable for producing bi-orientated thermoplastics containers, which can be installed in an injection molding machine, occupying the space normally destined for injection molds. It consists o...	09/19/2006
6722873	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...	04/20/2004
6616878	Method and apparatus for bonding extrusion-molded or die-molded pieces A method and apparatus for bonding molded pieces including left and right molds, a sheet material setting mechanism for inserting sheet material acting as a bonding medium between the left and right molds, a sliding blade portion that has a cutting blade ...	09/09/2003
6582643	Method for producing hollow extrusions Hollow extrusions are formed by initially extruding a plurality of separate strands adapted to form segments of the completed hollow extrusion in their positions corresponding to the locations of those segments in the finished extrusion. Webs between thes...	06/24/2003
5756030	Method and apparatus for extruding a rod of homogeneous plastic material A method of extruding a homogeneous plastic rod substantially free of shrink voids, the method having the steps of: extruding a rod central portion of plastic material having a glass transition point and a Vicat softening point below the glass transition ...	05/26/1998
5670208	PC stand coated with rust inhibitor and method thereof A PC strand is coated with rust inhibitive material of thermoplastic resin so as to wholly close spaces left around a core and peripheral wires twisted around the core, thus preventing the core and wires from rusting. The strand coated with the rust inhib...	09/23/1997
5292472	Coextrusion apparatus and method with rotating cord guidance Coextrusion apparatus for forming tubular elastomeric ply made up of first, second and third concentric streams of elastomeric material and a pair of coaxial helical patterns of individual reinforcing elements wound in opposite direction with respect to e...	03/08/1994
5171502	Method and apparatus for fabricating a rubberized wire sheet A method for fabricating a rubberized wire sheet passes a plurality of wires through an extruder to coat each of the plurality of wires with rubber to form rubberized wires, and passes the plurality of rubberized wires through a calender roller system to ...	12/15/1992
5118278	Twisted wire manufacturing apparatus and concentric twisted wire manufacturing machine A twisted wire manufacturing apparatus is provided with a plurality of injection dies communicating with an annular groove formed in a rotary head. An annular shoe for gradually reducing a sectional area of the annular groove is slidably fitted to the ann...	06/02/1992
5002712	Manufacturing composite materials Process for the manufacture of continuous moulded bodies from structures of reinforcing fibres impregnated with thermoplastic plastics, wherein a structure of reinforcing fibres is passed through a melt of the thermoplastic at a pressure of 1 to 800 bar f...	03/26/1991
4929409	Method in manufacturing a heat insulated tube and a device in extruders for manufacturing the tube Method in manufacturing a heat insulated tube includes a tube (17) for conducting fluid and a sheath (12) enclosing said tube, a heat insulating material (15) being disposed between the fluid tube and the sheath. The sheath is being extruded in an angle e...	05/29/1990
4917592	Apparatus for applying labels to blow molded articles In the forming of an article by blow molding parisons into conformity with cavities of an array of mold sections wherein parisons in the form of tubes are extruded from an extruder into an array of neck molds on a head, the head is moved axially away from...	04/17/1990
4854996	Method and apparatus for producing multilayer panels A method and an apparatus for producing multilayer panels. In the method for producing multilayer panels from extrudable plastic, two plastic strips are fed from extruders to a roll-arrangement and are joined together, with an inclusion of material thereb...	08/08/1989
4854848	Apparatus for applying labels to blow molded articles In the forming of an article by blow molding parisons into conformity with cavities of an array of mold sections wherein parisons in the form of tubes are extruded from an extruder into an array of neck molds on a head, the head is moved axially away from...	08/08/1989
4820470	Method and apparatus for extrusion, particularly for extruding masses of food products The mass to be extruded is forced into an extrusion duct (die) (1) so as to make it emerge in the extruded state from the outlet end (3) of the duct in a direction (2) generally-axial of the duct itself. An annular flow of fluid is generated around the ou...	04/11/1989
4671761	Apparatus for producing reinforced elongate bodies A shear head in which an extruded vulcanizable composition meets preheated reinforcing strands has a compartment adjacent a mouth of the head which is evacuated to reduce the danger of gases affecting adhesion of the strands to the composition....	06/09/1987
4569711	Manufacture of elastomeric material coponents An apparatus and a method of manufacture for discrete elastomeric material components comprising extending material through a die onto the surface of a component holding member, securing the leading end of the extrudate to said member, effecting relative ...	02/11/1986
4493747	Method for insulating conductors with a crystalline plastic material An extrusion system is provided for covering a conductor (14) with a crystalline thermoplastic elastomer insulating material. The plastic material is tubed onto the conductor by apparatus which includes a core tube (61) that is mounted in an extruder cros...	01/15/1985
4448739	Method and device for manufacturing multi-ply sheets The invention relates to a method and a device for manufacturing multi-ply sheets of extrudable plastics material supplied by way of at least two webs which are produced by extruders having flat sheet dies and which are bonded to a structured insert web b...	05/15/1984
4385882	Apparatus for manufacture of candy An apparatus for manufacture of milk chocolate-coated toffee candy pieces that comprises a toffee header with means connected to the header for heating a mass of toffee to a softened temperature sufficient to permit portions of it to be pulled from the ma...	05/31/1983
4385954	Method for applying binding agents to fibrous webs A method and system for applying a foamed binding agent to a fibrous web is disclosed. The invention is characterized by the use of an extruder having an upper lip extending 1/16 to 1/4 inch beyond the lower lip, and by the drawing of a vacuum beneath the...	05/31/1983
4371415	Process for manufacturing synthetic resin hose having a reinforcing member embedded therein and apparatus thereof There is disclosed an apparatus for manufacturing a synthetic resin hose having a tubular reinforcing member embedded therein, which comprises a hollow cylindrical member having diameter adjusting discs provided with yarn guide holes for guiding a plurali...	02/01/1983
4348251	System for applying binding agents to fibrous webs A method and system for applying a foamed binding agent to a fibrous web is disclosed. The invention is characterized by the use of an extruder having an upper lip extending 1/16 to 1/4 inch beyond the lower lip, and by the drawing of a vacuum beneath the...	09/07/1982
4339298	Apparatus for insulating relatively flexible conductors An extrusion system for covering a flexible conductor (14) with a crystalline thermoplastic elastomer insulating material by tubing the plastic onto the conductor includes a core tube (61) which is mounted in an extruder crosshead (41) such that its free ...	07/13/1982
4226580	Apparatus for producing thermoplastic tubing An apparatus for producing multi-walled thermoplastic tubing having a corrugated wall and a substantially smooth inner wall secured to the corrugated wall, there is incorporated two sets of endless flexible belts each of which is entrained around rotatabl...	10/07/1980
4225301	Plant for producing fired brick blanks The invention relates to an installation or plant for making sintered brick blanks, which includes a material preparation plant, a press and molding device, a drying and sintering device, a discharge device and feeding means, as well as a central power so...	09/30/1980
4206011	Apparatus for insulating flexible conductors An insulation comprising a polyether polyester thermoplastic copolymer obtained by reacting 1,4 butane diol terephthalate with terephthalate esters of polytetramethylene glycol is coated over an irregularly configured conductor, such as for example, a tin...	06/03/1980
4194942	Apparatus for manufacturing synthetic resin hose having a reinforcing member embedded therein There is disclosed an apparatus for manufacturing a synthetic resin hose having a tubular reinforcing member embedded therein, which comprises a hollow cylindrical member having diameter adjusting discs provided with yarn guide holes for guiding a plurali...	03/25/1980
4139648	Protein texturization A bland protein product having a texture and mouth feel simulating animal meat is prepared from a dough-like mixture of proteinaceous material and water. The proteinaceous material can comprise relatively low protein content blends or even single ingredie...	02/13/1979
4111634	Apparatus for producing papermaker's felt This invention contemplates an apparatus for affixing to a papermaking felt a plurality of beads comprising means for supporting a papermaking felt having a working surface and means for applying beads of plastic backing, said beads extending away from sa...	09/05/1978
4090835	Apparatus for applying an elastomeric edge to a sheet of elastomeric fabric The present invention relates to apparatus for edging reinforced elastomeric fabric and a preferred method for the operation thereof. One embodiment of apparatus includes a frame, a table for support of the elastomeric fabric, at least one extruder assemb...	05/23/1978
4043096	Automatic packaging method and apparatus In a packaging process in which a molten sheet of thermosetting or thermoplastic resin material is extruded and projected from a film forming head and the articles to be packaged are moved along a conveyor underlying the head so as to intercept the projec...	08/23/1977
4028042	Moulding apparatus A moulding apparatus including a pair of mould cavities with locking spue grooves, means to form moulded rubber article parts in the cavities, means to prework the rubber without substantial curing before it is formed, means to pressurize the mould with g...	06/07/1977
3997382	Method of and apparatus for manufacturing reinforced flexible tubes A method of manufacturing a reinforced flexible tube in which a hard synthetic resin spiral core is embedded in and fused to a soft synthetic resin matrix through the medium of a semi-hard synthetic resin adhesive layer and the apparatus for carrying out ...	12/14/1976
3985485	Blow molding apparatus with multiple cycle core rods This blow molding apparatus applies a coating to a core rod and then moves the core rod into an inactive or temperature conditioning position in which it travels through one cycle or more cycles of the apparatus before being brought into interaction with ...	10/12/1976
3954379	Apparatus for continuous molding of reinforced resin profile members An apparatus is provided for the continuous molding of hardened resin construction members reinforced with fiber material precisely positioned and arranged during the continuous molding process. The reinforcing fiber material in the form of continuous rov...	05/04/1976

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Class 425/516 - Extrusion