| Patent Number |
Title Of Patent |
Date Issued |
| 7553577 |
Sealing structure of fuel cell and process for molding rubber packing |
June 30, 2009 |
| A fuel cell separator unit having a crosslinked rubber layer is fabricated by coating a rubber-containing coating agent on the periphery of the surface of a separator to form a thin, unvulcanized rubber layer, and then vulcanizing or crosslinking the thin rubber layer. A tightly sealed |
| 7303719 |
Resin molded articles |
December 4, 2007 |
| A disk-shape resin molded article such as a gear comprises a rim, a boss, a web having a disk configuration for connecting the rim and the boss, and gear teeth formed on the rim. The molded article is produced by an injection-compression molding process which comprises injecting a molten |
| 6926750 |
Filter element |
August 9, 2005 |
| A filter element comprises an oil-impregnated filtering member, and a transmission preventing layer formed on a downstream side of the filtering member, for restricting transmission of at least the carbon dusts from the oil-impregnated filtering member. The filtering member may be formed |
| 6818037 |
Filter element |
November 16, 2004 |
| A filter element is made of a first filtering member, and a second filtering member that is arranged on a downstream side of the first filtering member and is impregnated with an oil. The first filtering member consists of a downstream wet layer that is impregnated with the oil, whic |
| 6806427 |
Transparent protective tube for external cable |
October 19, 2004 |
| A cable protecting tube having high transparency and allowing the filling condition of mortar therein to be visually observed from the outside as well as exhibiting high pressure resistance is provided.A cable protecting tube for accommodating a cable and for filling with mortar includes |
| 6804360 |
Air intake noise reduction apparatus for automotive vehicle |
October 12, 2004 |
| An air intake noise reduction apparatus is provided which can effectively reduce air intake noise even with simple construction requiring a small number of components. Four air intake passages 24, 25, 26, 27 which each have different passage lengths are formed by connecting an upper wall |
| 6730261 |
Processes for producing hollow molded articles |
May 4, 2004 |
| The blow-molded articles having an open end is produced by the steps of; setting a resin parison in cavity formed by a pair of metal mold members, blowing a pressurized gas into the resin parison to form an intermediate molded article, and cutting a predetermined part of the intermediate |
| 6698457 |
Flexible hose, manufacturing method thereof and extruder |
March 2, 2004 |
| A flexible hose which has a hose body made of soft synthetic resin, a reinforcement made of hard synthetic resin wound spirally and joined to the hose body by fusion, and a conductor arranged inside the reinforcement in its longitudinal direction. The conductor does not adhere to the |
| 6660217 |
Blow molding method |
December 9, 2003 |
| A blow molding method for forming a hollow resin product comprises a parison extruding step, a protrusion abutting step and a confronting rod abutting step. In the extruding step, a parison is extruded from a die head towards a position interposed between a pair of molding portions. |
| 6537630 |
Bow-molded hoses and apparatuses for producing the same |
March 25, 2003 |
| The blow-molded hose of a synthetic resin of the present invention is produced by blow-molding a single parison comprising a soft resin and a hard resin. The blow-molded hose comprises a monolayer (or single-layer) segment formed with either a soft resin layer or a hard resin layer and |
| 6479797 |
Snow melting apparatus and heating wire for melting snow |
November 12, 2002 |
| A snow melting apparatus 1 according to the present invention comprises a plurality of heating wires 10, a pair of fixing members 20, 20 and rod-shaped auxiliary fixing members 30. The plurality of heating wires 10 are arranged substantially in parallel with each other at predetermined |
| 6451469 |
Sealing structure of fuel cell and process for molding rubber packing |
September 17, 2002 |
| A fuel cell separator unit having a crosslinked rubber layer is fabricated by coating a rubber-containing coating agent on the periphery of the surface of a separator to form a thin, unvulacanized rubber layer, and then vulcanizing or crosslinking the thin rubber layer. A tightly sealed |
| 6444323 |
Semi-conductive silicone rubber composition |
September 3, 2002 |
| A semi-conductive silicone rubber composition contains carbon black. The carbon black contains thermal black obtained by thermally cracking a natural gas and having a specific surface area--nitrogen absorption method of 8.0 to 10.0 m.sup.2 /g, a dibutyl phthalate absorption number (dibut |
| 6349690 |
Suction apparatus for use in internal combustion engine |
February 26, 2002 |
| The suction apparatus comprises an apparatus main body which is divided into lower and upper box bodies 11 and 15. In the apparatus main body, there are stored a first duct for sucking in air from the open air, a resonator connected to the first duct, a cleaner for cleaning the sucke |
| 6227249 |
Abrasion resistant hose |
May 8, 2001 |
| The abrasion resistant hose of the present invention comprises an inner layer mainly formed with a thermoplastic polyurethane resin, an outer protective layer comprising a soft vinyl chloride resin united with the inner layer by thermal-fusion, and a spiral reinforcement comprising a |
| 6214268 |
Blow-molded hoses and apparatuses for producing the same |
April 10, 2001 |
| The blow-molded hose of a synthetic resin of the present invention is produced by blow-molding a single parison comprising a soft resin and a hard resin. The blow-molded hose comprises a monolayer (or single-layer) segment formed with either a soft resin layer or a hard resin layer and |
| 6192940 |
Hoses for electric cleaner |
February 27, 2001 |
| A hose comprises a hose wall comprising a soft synthetic resin and a hard spiral reinforcement fused with or bonded to the hose wall for retaining the hose configuration. The hose wall comprises at least one layer of a chlorine-free thermoplastic elastomer such as a polystyrenic thermopl |
| 6116289 |
Flexible hoses and joint structures thereof |
September 12, 2000 |
| A flexible hose 1 of the present invention is formed by blocking and interrupting a spiral groove 5 inside a hill 2 of a corrugated hose end portion 1a or 1b (inner surface helical concave portion) to form a closed section 4, or by blocking and interrupting a spiral groove 5 formed o |
| 6116288 |
Air intake duct |
September 12, 2000 |
| An air intake duct comprising a main body with bellows which is made by blow molding soft resin and ring-like reinforcements made of hard resin. As the soft resin, a material which is capable of keeping a form of a tube by itself is adopted. The reinforcements are previously mounted on t |
| 6076561 |
Heat insulated hose |
June 20, 2000 |
| A heat insulated hose includes a cylindrical member. This cylindrical member is formed by helically winding a laminated tape having a base layer of a foamed resin, a permeable coat film laminated on an inner surface of the base layer, and an air-tight coat film laminated on an outer surf |
| 6024134 |
Flexible hose |
February 15, 2000 |
| A laminated tape comprising a main layer of a polyester-series thermoplastic polyurethane resin and a covering layer formed of a soft vinyl chloride resin fused with at least one surface of the main layer is spirally wound, and its adjacent side edges are bonded each other to form a |
| 6024132 |
Flexible hoses |
February 15, 2000 |
| The flexible hose comprises a bellows hose wall 1 composed of an inner wall 2 and an outer wall 3 each made of a soft resin and a spiral hard reinforcement 4 interposed therebetween. As the hose contracts, a spiral groove 7 is formed inside of the hose. The inner wall 2 is not partially |
| 5975144 |
Flexible hose made of nonwoven fabric |
November 2, 1999 |
| A flexible hose which is formed by attaching a resin reinforcing coil member to a cylindrical body, the cylindrical body being composed of a nonwoven fabric layer which is formed by winding a nonwoven fabric tape spirally and connecting adjacent side end portions and an air-cut layer |
| 5929397 |
Intake silencer system |
July 27, 1999 |
| The case of an intake silencer system includes a first case half and a second case half coupled to each other at mating faces, with an intake duct clamped between the mating faces. The intake duct opens into a resonant chamber within the case, so that noise is damped by a resonant ef |
| 5918642 |
Flexible synthetic resin tube |
July 6, 1999 |
| A flexible synthetic resin tube is provided by uniting an inner layer of a polyether-series thermoplastic polyurethane resin with a hard synthetic resin spiral reinforcement (e.g. a hard vinyl chloride resin) or a soft synthetic resin outer layer (e.g. a soft vinyl chloride resin), throu |
| 5899237 |
Abrasion resistant composite hose and process for producing the same |
May 4, 1999 |
| An abrasion resistant composite hose comprises (a) an outer layer composing a spiral tape of a soft synthetic resin, where adjacent side edges of the spiral tape join each other to form the outer layer, (b) a spiral reinforcement of a hard synthetic resin for retaining and reinforcing th |
| 5785920 |
Extrusion molding apparatus and method of forming a parison |
July 28, 1998 |
| A rod 3 is driven forward to open an annular slit 5 between a die 2 and a mandrel 4 and the molten resin in a resin accumulation chamber 10 is expelled from annular slit 5 to form a parison. In this operation, the die 2 is displaced from an original position adjoining to the mandrel 4 |
| 5601779 |
Method for manufacturing hollow resin products |
February 11, 1997 |
| A method of manufacturing hollow resin products which are curved two-dimensionally or three-dimensionally. The method includes extruding a tubular parison from an extruder at a constant speed and cutting the parison at a specified length; receiving the parison extruded from the extru |
| 5589205 |
Apparatus for manufacturing hollow resin products |
December 31, 1996 |
| An apparatus for manufacturing hollow resin products. The apparatus includes an extruder for extruding a tubular resin material and cutting the material into a parison with a specified length; a blow molding machine having an upper mold and a lower mold which form a cavity of a speci |
| 5030083 |
Apparatus for manufacturing a hollow synthetic resin product |
July 9, 1991 |
| A hollow synthetic resin product manufacturing apparatus with an extruder having an extruding head for extruding a parison and a mold formed of lower and upper molding portions respectively having grooves, a cutter for cutting the parison extruded from the extruding head into a specified |
| 4489759 |
Folding hose |
December 25, 1984 |
| A folding, bellows type, hose of synthetic resin includes a coil to from the chevrons thereof. The modulus of elasticity in bending of the synthetic resin hose wall is in the range of from 2.500 to 14.00 Kg/cm. The oblique portions of the hose wall is attached to the coil on one side |
