Patent application number | Description | Published |
20080203749 | Shock Absorber For Vehicle - Provided is a shock absorber for a vehicle, which, when it is crushed, can break and open a part of the wall thereof earlier than the time of the break of an explosion inducing section, to thereby exclude the effect of the air being present inside a hollow portion and exhibit stable shock-absorbing capability and also maintain a satisfactory shock-absorbing capability over a wide range of temperature from a high temperature to a low temperature independently of the temperature of the open air. A shock absorber ( | 08-28-2008 |
20080254261 | Interior Automotive Trim Part and Process for Producing the Same - An interior article for automobiles is provided having a light-weight and suitable rigidity without lowering moldability even if the amount of use of a thermoplastic resin is decreased. A panel having a hollow double-wall structure and constituting an interior part for automobiles is formed from a mixture of polyolefin resins comprised of a propylene homopolymer having a specific gravity of 0.93 or less (JIS K7112), exhibiting a melt flow rate of 0.3 to 3.0 g/10 minutes (JIS K7210) and exhibiting a bending modulus of 1400 MPa or more (JIS K6758), a crystalline propylene block copolymer having a specific gravity of 0.93 or less (JIS K7112), exhibiting a melt flow rate of 0.3 to 1.5 g/10 minutes (JIS K7210) and exhibiting a bending modulus of 1250 MPa or less (JIS K7171) and a high density polyethylene having a specific gravity of 0.925 to 0.965 (JIS K7112) and exhibiting a melt flow rate of 0.5 g/10 minutes or less (JIS K7210). | 10-16-2008 |
20080261016 | Blow Molded Article With Surface Skin and Method for Production Thereof - Provided are a blow molded article with a surface skin, which allows the formation of a blow molded article having a desired expansion ratio and retains a required expansion ratio from the time of extruding and is free from the generation of a sink mark or a warp in a portion where the surface wall and the back wall thereof has been welded and allows the production of a blow molded article with a lightweight and highly rigid surface skin; and a method for producing the blow molded article. A panel ( | 10-23-2008 |
20110048571 | BLOW-MOLDED FOAM AND PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam 1 having a wall portion formed in such a manner that a thermoplastic resin containing a foaming agent mixed therewith is subjected to blow molding. Herein, the wall portion has a closed cell structure in which a plurality of foamed cells are contained. The wall portion has an expansion ratio of not less than 2.0 times. The wall portion has an outer face having a center-line average surface roughness Ra of less than 9.0 μm. The foamed cell has a cell diameter having a standard deviation of less than 40 μm in a thickness direction of the wall portion. | 03-03-2011 |
20110056584 | LIGHT-WEIGHT AIR CONDITIONING DUCT FOR VEHICLE - [Problem] To provide a light-weight air conditioning duct for vehicle that is light in weight and excellent in mechanical strength. | 03-10-2011 |
20110101558 | METHOD FOR MANUFACTURING MOLDED FOAM - An object of the invention is to provide a method for manufacturing a molded foam which is lightweight and excellent in strength. According to the invention, a method for manufacturing a molded foam from a foamed parison includes: an extruding step of extruding a resin blend containing a foaming agent and a thermoplastic resin to form a foamed parison; an attaching step of closely attaching facing portions of an inner wall surface of the foamed parison to each other to form a foamed parison laminated body; a mold clamping step of sealing and mold clamping the foamed parison laminated body by clamping the foamed parison laminated body by split mold blocks; and a sucking step of sucking air between the split mold blocks to reduce a pressure between the split mold blocks, after the attaching step and the mold clamping step. | 05-05-2011 |
20110104414 | METHOD FOR MOLDING MOLDED FOAM, AND MOLDED FOAM - The invention provides a molded foam molding method capable of obtaining a molded foam in which pinholes may not be formed with ease even when a blow ratio is high and which has a high expansion ratio. The invention also provides a molded foam which includes no pinholes, is reduced in weight, and is excellent in heat insulating property. The molding method includes blending a polypropylene-based resin having an equilibrium compliance from 2.0 to 6.0 (10 | 05-05-2011 |
20110127688 | METHOD FOR MANUFACTURING MOLDED FOAM - A method for manufacturing molded foam which uses cheap materials, is light in weight and which is excellent in impact resistance. In the method for manufacturing molded foam, propylene homopolymer with a long chain branch, propylene ethylene block copolymer and low density polyethylene are mixed in the base resin at a prescribed mixing ratio. A blowing agent is added to carry outfoaming. A prescribed mixing ratio is determined based on the value arrived at by a multiplying melt tension of each material mixed with the melt flow rate and the Tensile Rupture Elongation. | 06-02-2011 |
20110315311 | VEHICLE INTERIOR PANEL AND PRODUCING METHOD THEREOF - A method of producing a vehicle interior panel having a hollow double-walled structure made of thermoplastic comprising, blow molding with a pair of mold halves including a first mold with a shape transfer surface having a three dimensional pattern, and a second mold, clamping a cover material being formed by at least a double-layer structure arranged between a cavity of said first mold and a parison of thermoplastic such that a resin sheet layer without a through hole and without a three dimensional pattern faces a cavity of said first mold, introducing a pressurized fluid into the parison to press the cover material and the parison against a cavity surface, thereby integrally laminating said cover material to an outer surface of a first wall of the panel having the hollow double-walled structure and transferring said three dimensional pattern of said first mold half to said resin sheet. | 12-29-2011 |
20130154286 | IMPACT ABSORBING MEMBER - An impact absorbing member includes: a first wall and a second wall that face each other; a plurality of side walls connecting these first wall and second wall; a corner portion connecting the side walls; and a destruction inducing portion, located within a predetermined area from the corner portion, for destroying the corner portion when the first wall or the second wall receives impact. | 06-20-2013 |
20140124989 | METHOD FOR PRODUCING DUCT-INTEGRATED FLOOR-RAISING MATERIAL - A method for producing a duct-integrated floor-raising material includes the steps of: forming a first enclosed space, a second enclosed space, and a third enclosed space, having a molten tubular parison pressed flat and extruded from pinch-off portions by a pair of split molds, wherein portions of the parison corresponding to the pinch-off portions are welded to each other; molding the first hollow portion, the second hollow portion, the duct portion, and the waste bag in which a blow pin is pierced to outer surfaces of the tubular parison corresponding to the spaces, a pressurized fluid is blown to expand the parison, and the tubular parison is pressed against the surfaces of the split molds for shaping the parison; and cutting the waste bag to form an air intake port or an air outlet port on the duct portion. | 05-08-2014 |
20140130933 | DUCT - A duct in which the welding strength of the parting lines is enhanced and which facilitates the attaching job is provided. The duct of the present embodying mode has a mean thickness of the entire duct of 1 mm or less, and includes projections on inner surface sides of the duct on the parting lines. | 05-15-2014 |
20150061322 | IMPACT ABSORBER - Provided is an impact absorber capable of effectively absorbing impact even if an impact receiving position deviates from a desired position. An impact absorber according to an aspect of the present disclosure has a front wall for receiving impact, a rear wall opposed to the front wall, and surrounding walls for connecting the circumferences of the front wall and the rear wall, wherein thin portions are formed at corner portions for connecting the front wall and the surrounding walls. | 03-05-2015 |
Patent application number | Description | Published |
20120080872 | IMPACT ABSORBER - An impact absorber is provided in a trim of a vehicle for protecting a waist portion of a passenger. The impact absorber includes: a first portion corresponding to the pubis of the passenger; and a second portion corresponding to the ilium of the passenger. Stress generated in the first portion when the passenger hits the trim has a first predetermined value or less, and stress generated in the second portion when the passenger hits on the trim has a second predetermined value or more, the second predetermined value being greater than the first predetermined value. | 04-05-2012 |
20120235443 | IMPACT ENERGY ABSORBER FOR VEHICLE AND METHOD FOR FORMING THE SAME - The resin impact energy absorber for vehicle includes a peripheral wall, a planar portion surrounded by the peripheral wall, and a plurality of first protrusions. The first protrusions are parallel to one another at a predetermined interval in the planar portion. The first protrusion includes a pair of inclined vertical walls and a top wall. The pair of inclined vertical walls projects from the planar portion. The inclined vertical walls face one another. The top wall couples tops of the inclined vertical walls with one another at approximately the same height as the peripheral wall. The inclined vertical walls are inclined at a predetermined inclination angle such that the inclined vertical walls come close to one another as approaching from the planar portion to the top wall. The planar portion includes one plate surface and another plate surface. At least one of them includes an impact load receiving surface. | 09-20-2012 |
20130154307 | IMPACT ABSORBING MEMBER AND METHOD OF MANUFACTURING THE SAME - An impact absorbing member includes a hollow body having a plurality of ribs, and the hollow body includes a low rib density portion being a portion where density of the ribs is low, and a high rib density portion being a portion where density of the ribs is high. The hollow body may include a thin portion and a thick portion. In this case, the rib density of the thin portion and the rib density of the thick portion may be different from each other | 06-20-2013 |
20130313749 | BLOW-MOLDED FOAM AND PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam | 11-28-2013 |
20130323448 | BLOW-MOLDED FOAM AND PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam | 12-05-2013 |
20140048367 | SHOCK ABSORBER - A shock absorber which can be easily attached and which can reduce the installation space is provided. The shock absorber in accordance with the present invention is characterized by including a front wall to receive shock, a rear wall opposing the front wall, and peripheral walls connecting peripheries of the front wall and the rear wall, and at least one attaching section to attach onto an attaching object is formed to be integral with the rear wall, and shock received by the front wall is propagated via the rear wall to the attaching object. | 02-20-2014 |
20150266441 | IMPACT ENERGY ABSORBER FOR VEHICLE AND METHOD FOR FORMING THE SAME - A resin impact energy absorber is for a vehicle and has a single wall solid plate structure. The resin impact energy absorber includes a rectangular planar portion including one plate surface and another plate surface, at least one of which including an impact load receiving surface, a plurality of first protrusions formed by forming a plurality of long grooves parallel to one another at a predetermined interval in the planar portion, and a second protrusion formed by forming a long shallow groove that extends in a direction intersecting with the plurality of first protrusions in the planar portion. | 09-24-2015 |