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| Number | Title | Issue Date |
| 7367094 | Apparatus for imparting stretch to fabrics An apparatus for the treatment of fabric which comprises transport means (20, 26) for effecting relative movement between a heat and pressure application means and the fabric, whereby the passage of the fabric through the apparatus results in the yarns substa... | 05/06/2008 |
| 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 moulding and transferral wheel, peripherally shaped according to a pl... | 06/19/2007 |
| 7189448 | Apparatus and process for producing a corrugated web and an absorbent article comprising a corrugated web Absorbent article comprising a liquid-impermeable cover sheet, a liquid-permeable cover sheet, and an absorbent body between the liquid-impermeable cover sheet and the liquid-permeable cover sheet. Any one or all of the liquid-impermeable cover sheet, the liquid-per... | 03/13/2007 |
| 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 guide paths by means of a respective associated drive device, wherein t... | 12/26/2006 |
| 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 a circuit along a mould path adjacent to an injection head, are move... | 10/10/2006 |
| 7086806 | Method for asphalt compaction and compaction apparatus A method of compacting a mat of hot mix asphalt which has been laid by an advancing asphalt paver, the method comprising advancing an asphalt compactor over the laid asphalt such that a compaction surface of the compactor, formed by a lower run of at least one belt,... | 08/08/2006 |
| 7080536 | Device for manufacturing formed parts by internal high pressure deformation A device for manufacturing formed parts by internal high pressure deformation. The device includes a housing composed of two tubular members which are placed one into the other and are connected by shrinkage, wherein the tool support unit is mounted in the concentri... | 07/25/2006 |
| 7008213 | Continuous production of plastic siding panels with separate shingle appearance A sheet of plastics material is continuously extruded onto the upper run of an endless conveyor which carries aluminum vacuum mold plates each defining a cavity with a shingle pattern. The sheet is progressively vacuum-formed into the mold plate cavities, and opposi... | 03/07/2006 |
| 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 plurality of molds that interlock when mated. Each mold has common outside... | 02/21/2006 |
| 6358034 | Molding 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 |
| 6193496 | Molding 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 |
| 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 to be corrugated (10) driven in translation and perpendicul... | 03/28/2000 |
| 5910230 | Stuck sheet material manufacturing system equipped with pressure device In a stuck sheet material manufacturing system for manufacturing a stuck sheet material, which has a sticking device for sticking together a front sheet member and a rear sheet member, the sticking device includes a heating member for heating a sheet memb... | 06/08/1999 |
| 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 direction of displacement, reprofiling bars (2) fixed to an endles... | 01/12/1999 |
| 5773044 | Apparatus for the manufacture of corrugated tubing from thermoplastic synthetic resin An apparatus for the manufacture of corrugated tubing of thermoplastic including a shaping path adjoining the head of an extruder, composed of a guide arranged in a frame structure, along which guide mold halves closed together in pairs as annular molds a... | 06/30/1998 |
| 5531585 | Travelling mold with separation of mold blocks A travelling mold has mold block sections which are driven around an endless track. The mold has a drive system including a first drive component which drives the mold block sections in abutting positions with one another to a second component in the driv... | 07/02/1996 |
| 5489201 | 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 ride on first and second tracks respectively through a mold... | 02/06/1996 |
| 5151151 | Pleating machine for dual fluted shade A pleating machine for dual fluted shades consisting of a pair of cooperating sets of pleating conveyors closely adjacent and flanking a sealing device that joins the two resulting pleated webs together by transversely fed attaching sheets.... | 09/29/1992 |
| 5059109 | Corrugated mold block A corrugated mold block for a vacuum machine for molding corrugated tubes is formed of a plurality of sub-blocks rigidly secured end to end. Each sub-block has an arcuate face which is corrugated with not more than one complete wavelength of circumferenti... | 10/22/1991 |
| 4877595 | Method of compressing pyrogenically prepared silicic acid Pyrogenically prepared silicic acid is compressed by a rotary filter equipped with a pressing band.... | 10/31/1989 |
| 4853070 | Apparatus for making multiple hook fastener media Apparatus for making multiple hook-fastener media in which many protruding hooks are formed at relatively high speed from suitable bendable and settable plastic material which may be different from the substrate to which these pre-formed hooks are subsequ... | 08/01/1989 |
| 4689174 | Producing double-walled helically wound thermoplastic pipe with a corrugated cutter wall and a smooth inner wall A system is disclosed for the production of double-walled helically wound thermoplastic pipe. The apparatus includes an endless former (10) of the axially advancing and rotating type for forming a band of thermoplastic material (24) into a corrugated oute... | 08/25/1987 |
| 4681526 | Apparatus for molding thermoplastic pipes An apparatus for molding externally ribbed and corrugated thermoplastic pipes, including a pipe die for extruding a parison of a thermoplastic material; moldblock halves circulating in endless paths and cooperating with each other to form a travelling mol... | 07/21/1987 |
| 4619799 | Process of making sheet material comprising a substrate web of synthetic thermoplastic material and an adhesive layer consisting of a non-crosslinkable elastomer In a process of making sheet material comprising a substrate web of synthetic thermoplastic material and an adhesive layer consisting of a non-crosslinkable elastomer the elastomeric material is heated above its devolatilization temperature by a feed scre... | 10/28/1986 |
| 4575400 | Apparatus for manufacturing corrugated tubes A method and apparatus for forming a corrugated tube having a smooth inner wall surface and a corrugated outer wall are provided. A first strip of resin material is wrapped around first portions of rollers arranged in a circular array and is helically wra... | 03/11/1986 |
| 4543054 | Thermoforming machine A machine and process for continuously thermoforming molten thermoplastic sheet are provided requiring precise synchronism in the interaction between opposed successions of circulatable tooling steps. A single motor for all the driving mechanisms achieves... | 09/24/1985 |
| 4530849 | Method of producing corrugated crisps Method and apparatus for preparing a flat, formable product, such as a piece of milled corn-based product, having a soft, moist, and substantially fiberless consistency, with a corrugated shape. The apparatus comprises a pair of lower rollers, a pair of u... | 07/23/1985 |
| 4498944 | Method and apparatus for producing an elasticized garment by tucking a portion of the diaper web during bonding of elastic to the untucked portions of the web An apparatus and method is disclosed for attaching a continuously moving elastic ribbon to a continuously moving web such that only selected discrete areas of a finished conformable garment fabricated from the web are elasticized. The web is moved into en... | 02/12/1985 |
| 4449910 | Apparatus for making profiled plastic tube Apparatus for making profiled plastic tube and comprising two circulating endless chains, each making a plurality of mold halves move along with a tube coming from an extruder, these mold halves pairwise constituting a mold cavity in which the tube is bei... | 05/22/1984 |
| 4450317 | High voltage, gas-filled electric cable with spacers between conductor and sheath An electrical cable for very high voltage underground power transmission comprises two or more inner conductors (2) which are twisted together and are supported within the gas-filled void of a hollow extruded plastic cable sheath (4) by means of a plurali... | 05/22/1984 |
| 4417938 | Producing an elasticized garment utilizing an articulated conveyor A method and apparatus is disclosed for attaching a continuously moving elastic ribbon to a continuously moving web such that only selected discrete areas of a finished conformable garment fabricated from the web are elasticized. A continuously moving bel... | 11/29/1983 |
| 4312383 | Hose construction and apparatus for and method of making same A hose construction and apparatus for and method of making such hose construction are provided wherein the hose construction comprises a corrugated outer tube made of polymeric material and having alternating projections and recesses with the recesses hav... | 01/26/1982 |
| 4140458 | Apparatus for producing a corrugated sheet An apparatus for producing a corrugated sheet from a web of deformable material, for use in cooling towers and the like, includes an endless conveyor which is adapted to move along a predetermined path of travel and on which are mounted a plurality of web... | 02/20/1979 |
| 4116603 | Apparatus for corrugating a web of sheet material The present invention relates to an apparatus for corrugating a web of sheet material in a continuous process by means of an elongated mold movable in an endless closed path and composed of plate elements disposed in a row the one behind the other and in ... | 09/26/1978 |
| 4108586 | Apparatus for forming irregular shaped brick A horizontal brick feed conveyor continuously feeds green undried moist clay bricks along a path beneath a lower horizontal flight of an elastic hold-down belt member mounted above and moving in the same direction as the conveyor to engage the upper surfa... | 08/22/1978 |
| 4072453 | Plant for the production of tubular or hose-like articles of synthetic material A mobile plant for manufacturing corrugated drain pipe includes an extrusion apparatus, a pipe molding means and a coiling machine for coiling up the extruded pipe. The apparatus may conveniently be mounted in a trailer for transport.... | 02/07/1978 |
| 3993425 | Apparatus for forming diagonally corrugated paperboard Apparatus for forming diagonally corrugated paperboard having a longitudinally elongated frame upon which is laterally mounted at least one corrugating unit. Each corrugating unit consists of a conveyor mechanism having a continuous loop belt with paralle... | 11/23/1976 |
| 3986808 | Apparatus for deforming thermoplastic sheet Apparatus for deforming a sheet of thermoplastic material by sequentially pressing against one face of the hot sheet of material the cold tips of projections set in and extending normally from a first series of separately moveable combs and sequentially p... | 10/19/1976 |
| 3982868 | Continuous mold thermo forming An apparatus for the continuous forming of molded plastic sheet from granular thermoplastic materials directly from granular thermoplastic material by plasticizing the granular material through a blender and an extruder, thence passing such material throu... | 09/28/1976 |
| 3973894 | Device for the production of toothed belts A method of and apparatus for making toothed belts of rubber or rubber-like elastic synthetic materials with an enveloping fabric covering, the belt teeth, according to which an enveloping fabric strip is folded into successive folds corresponding to the ... | 08/10/1976 |
