|
Match
|
Document |
Document Title |
|
|
7524177 |
Pipe molding system with vacuum and temperature controls of cooling plugs
A pipe mold ( 1 ) produces plastic pipe with an internal wall having a first wall portion ( 23, 25 ) and a second wall portion ( 27 ). The pipe mold ( 1 ) includes a two stage cooling plug ( 35 )...
|
|
|
7517210 |
Apparatus for the manufacture of compound pipes
An apparatus for the manufacture of compound pipes with an oval cross-section is equipped with mold halves which advance in a direction of production and of which two at a time combine as a pair on...
|
|
|
7517209 |
Molding apparatus with mold blocks having profiled face adjustment
A pipe molding apparatus includes a plurality of mold blocks ( 9 ) which move along a molding path to form double wall plastic pipe having an outer pipe wall with corrugations which set outside...
|
|
|
7458802 |
Foldable mandrel for production of a single curvature folded core for a sandwich panel
The invention can be defined in its most general form as a device for sheet material corrugation by means of bending and can be applied in the devices for production of single curvature folded core...
|
|
|
7311509 |
Externally cooled moving mold
A molding apparatus includes a moving mold for shaping molten plastic into product made within the moving mold. The moving mold is surrounded by an air block housing to define a cooling chamber...
|
|
|
7306448 |
Mobile 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....
|
|
|
7267535 |
Pipe 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...
|
|
|
7232302 |
Apparatus for continuously shaping an undulating profile into a plate of polymeric material
Process and apparatus for continuously and permanently shaping a plate in plastic material according to an undulated profile. The apparatus includes a guide and positioning surface of the plate; a...
|
|
|
7207791 |
Device 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...
|
|
|
7172402 |
Mold 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...
|
|
|
7153117 |
Device 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...
|
|
|
7147453 |
Device for treating flat material
The invention relates to a device for embossing and/or glazing films. The device for embossing includes a first and second embossing roll, through which flat material can be fed under pressure, in...
|
|
|
7118369 |
Corrugated 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...
|
|
|
7048828 |
Crimper with crimping wheels mounted on linear bearings
A tissue paper crimper of greater rigidity is provided by mounting crimper disks to linear bearings which in turn are mounted to a carriage which can be positioned in the cross machine direction on...
|
|
|
7001171 |
Apparatus 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...
|
|
|
6910875 |
Device for producing an unvulcanized rubber member for tire manufacturing
The present invention provides a device for producing an unvulcanized rubber member for tire manufacturing. The device includes an extruder with a die that extrudes the unvulcanized rubber member...
|
|
|
6905325 |
Pipe mold with compensation for pipe shrinkage
Pipe molding apparatus having a molding mold tunnel includes an upstream ( 3 ) and at least one downstream mold block ( 7 ). Each mold block ( 3, 5, 7 ) comprises mold block sections which close...
|
|
|
6877976 |
Molding 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...
|
|
|
6773253 |
Device 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...
|
|
|
6719942 |
Method 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...
|
|
|
6652258 |
Mold 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...
|
|
|
6644951 |
Molding 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...
|
|
|
6478066 |
Corrugator unit, particularly for sheets or webs of paper, or similar
A corrugator unit, particularly for sheets or webs of paper, or similar, of the type comprising at least two rolls ( 1, 2 ), having a toothed or corrugated surface ( 101, 202 ), and being mutually...
|
|
|
6403197 |
Filter material
A filter material laid in folds in a plurality of folds, characterized in that the folds are provided with at least one bending portion having a bending resistance moment that is reduced in...
|
|
|
6395211 |
Method and calender for treating a sheet
A calender for treatment of a web of a nonwoven textile V made of thermoplastic fibers. The calendar includes a heated embossing roller made of steel and a counter-roller that runs at the same...
|
|
|
6238198 |
Roll-out apparatus for corrugating roller
A corrugating roller unit is moved smoothly between a first reference plane and a second reference plane at different heights by a roll-out apparatus having a set of moving support device. A first...
|
|
|
6230776 |
Apparatus for forming fibrous filter media
A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter...
|
|
|
6042359 |
Corrugating machine
The invention consists of a corrugating machine comprising a plurality of corrugating bars (6) fixed to an endless chain (5) rotatably driven and a plurality of support bars (13) for the material...
|
|
|
5858418 |
Machine for reprofiling corrugated materials
The invention consists of a machine for continuously reprofiling a corrugated material comprising: support bars (7) for the corrugated material, driven in translation and perpendicular to their...
|
|
|
5792487 |
Corrugated plastic wall panels
A corrugated plastic panel is produced by providing a plastic panel corrugation device whereby a plastic material is extruded, a cooled extrusion is formed by passing the extrusion through a...
|
|
|
5662764 |
Apparatus for producing corrugated tube
An apparatus for producing a corrugated tube contains a roller assembly composed of plural rollers having plural convexed rings, respective convexed rings forming a helix as a whole so as to...
|
|
|
5645871 |
Plastic tile corrugator and mold blocks
A machine for making plastic tubing including a plurality of separate carriages for carrying mold blocks about the continuous path. First and second wheel pairs on opposite sides of each carriage...
|
|
|
5553894 |
Conduit connection to a cassette for perforating sheets
A conduit connector is provided so that a heat medium source, a drain and/or a vacuum pressure source are in fluid communication with a cassette containing rotatable cylinders for producing...
|
|
|
5545426 |
Production of product sheets having waved marginal portions
Sheet products having a waved marginal portion are prepared by passing a sheet of a plastic material through and compressing the sheet between shaped circumferential rollers which are positioned...
|
|
|
5531583 |
Vacuum mold blocks with cooling for corrugated tubing
A machine for making plastic tubing including a plurality of separate carriages for carrying mold blocks about the continuous path. First and second wheel pairs on opposite sides of each carriage...
|
|
|
5511964 |
Apparatus for the production of plastic pipes
An apparatus for the manufacturing of plastic pipes has half shells of which two at a time combine as a pair to form a mold. It is provided with a temperature-regulating bell. Supply lines are...
|
|
|
5308434 |
Sealing device for a pressure case used in a rotary machine
A sealing device, which is situated between a rotary cylinder and the opposite edge of a wall of a pressure case, is used in a rotary machine and comprises a seal fitted over its whole length along...
|
|
|
5211962 |
Device and process for the production of oxide-ceramic materials
Device and process for fast cooling and solidifying of molten materials with a metal oxide base. The device comprises two metal cylinders with parallel axes, which rotate in opposite directions and...
|
|
|
5188265 |
Continuous sheet pleating device for making overlapping pleats and arrangements for making areas with no pleats and method of making pleats
The device includes a toothed wheel on which pleats of a sheet 10 are preformed, in some cases with the aid of a second toothed wheel 31, and a device for holding by a vacuum; then the preformed...
|
|
|
5164204 |
Modular corrugator
A corrugator for ribbing pipes includes two synchronously circulating chains of mold halves, a guide device for the mold halves having an input zone in which the associated mold halves are brought...
|
|
|
5096407 |
Fluted roller for a single face corrugator
Fluted roller for a single face corrugator comprising grooves extending around the periphery thereof, the bottom of the grooves being deeper than the bottoms of the corrugation of the fluted...
|
|
|
5018960 |
Flaking roll apparatus
Flaking roll apparatus (10) for the processing of cereal products or the like is provided which includes a pair of counterrotating, nip-defining flaking rolls (76, 78) which are obliquely oriented...
|
|
|
4943224 |
Apparatus employing integral dielectric heater for roll forming thermoplastic material
An apparatus for roll forming of thermoplastic material is provided which employs a pair of rollers having forming surfaces thereon, the pair of rollers defining a gap through which the...
|
|
|
4925382 |
Roller press for compacting fine-grained salts into sheets
A roller press for compacting fine-grained chemicals, especially salts, into sheets, having synchronously driven rollers with two axially spaced pressing surfaces on ring elements being provided...
|
|
|
4921643 |
Web processing with two mated rolls
A machine and process for a web of material employing two side-by-side sets of spaced apart driven disks adapted to rotate respectively in opposite directions about two spaced apart parallel axes,...
|
|
|
4913910 |
Apparatus for forming laminate into a predetermined configuration
Apparatus for forming elongate laminate into a predetermined configuration having a substantially uniform cross-sectional shape in the axial direction, including a plurality of roller pairs having...
|
|
|
4911633 |
Apparatus for plastic tubing manufacture
The present invention is directed to the manufacture of plastic tubing exemplified by corrugated plastic tile and parts related thereto, in which molds for shaping an extrudable plastic material...
|
|
|
4886632 |
Method of perforating a nonwoven web and use of the web as a cover for a feminine pad
A method of perforating a nonwoven web of fibrous fabric by directing the web through a nip defined by first and second moveable members. As the web moves through the nip it is penetrated by a...
|
|
|
4859169 |
Web processing by longitudinal compression using matched drive disks and retarding fingers
A machine and method for longitudinally compressing a web under the influence of driving forces provided at a nip line defined by spaced-apart pairs of matched rotating disks and under the...
|
|
|
4789322 |
Corrugator with intermeshing overlapping moldblock halves
A corrugator for molding externally ribbed and corrugated thermoplastic pipes, including two trains of moldblock halves circulating respectively in two endless paths and cooperating with each other...
|