公开(公告)号：JPH0827740A

公开(公告)日：1996-01-30

申请号：JP25006894

申请日：1994-09-19

Applicant: BRIDGESTONE CORP

Inventor： AOKI MASAMI ,  ONOZATO TSUTOMU ,  SHIMA HIROSHI

IPC: E01F8/00 ,  E01F8/02 ,  E04B1/86

Abstract: PURPOSE:To improve the noise absorbing performance by forming a noise absorber with a porous material to form an air layer by itself in a space to a hard substrate. CONSTITUTION:A galvanized plate with the center deformed inside is used as a hard substrate 1, a casing 2 is formed of similar material to encircle the substrate 1, a slab fiber molding 3 is put in the casing 2 on the sound source side to form its surface as a side face 3A on the sound source side and an air layer 5 is provided between the back of the molding 3 and the substrate 1. The molding 3 is molded into an aggregate of average apparent density 0.04-0.15g/cm by using short fiber raw material of 30 deniers or less from the center of fiber size distribution and ventilation resistance in the molding 3 is increased for better noise absorbing performance. In this way, the molding 3 possible to mold into a free shape allows various wavy shapes on the surface and higher noise absorbing ability as a result of the existence of the air layer 5 and the noise absorbing performance of the molding 3 combined.

公开(公告)号：JPH05222247A

公开(公告)日：1993-08-31

申请号：JP5981292

申请日：1992-02-14

Applicant: BRIDGESTONE CORP

Inventor： ONOZATO TSUTOMU ,  MOJI KOUSHIROU

IPC: B60C1/00 ,  C08K9/00 ,  C08K9/04 ,  C08L21/00

Abstract: PURPOSE:To obtain composite particles excellent in adhesion to rubbers and useful for preventing cars from slipping on the road surface covered with ice and snow by embedding or fixing particles bondable to rubbers to the surface of substrate particles. CONSTITUTION:A solid organic substance such as a hot-melt based adhesive bondable to a rubber is applied to the surface of substrate particles of wood, epoxy resin, silica, etc., whose hardness is >=70 (in 250-50mum average particle diameter), expressed in terms of shore D scale and particles of silica, glass, etc., preferably of 1/1000 to 1/10 based on these substrate particles are embedded and fixed thereon to provide the objective composite particle.

公开(公告)号：JPH04218543A

公开(公告)日：1992-08-10

申请号：JP8300191

申请日：1991-03-25

Applicant: BRIDGESTONE CORP

Inventor： IWASAKI SHINICHI ,  ONOZATO TSUTOMU ,  MOJI KOUSHIROU ,  KATSUTA TAKASHI

IPC: C08L21/00 ,  C08L101/00

Abstract: PURPOSE:To make it possible to exhibit effects excellent on grip performance and draining performance of a rubber product by providing a reinforcing property enough for a matrix to a domain in a rubber composition having a heterogeneous structure. CONSTITUTION:The objective resin consisting of a heterogeneous structure having a sea-island structure consisting of a resin domain part having reinforcing properties by chemical or physical interaction to the above-mentioned rubber matrix and a rubber matrix part.

公开(公告)号：JPH09235798A

公开(公告)日：1997-09-09

申请号：JP7109496

申请日：1996-03-01

Applicant: BRIDGESTONE CORP

Inventor： SHIMA HIROSHI ,  ONOZATO TSUTOMU

IPC: E04B1/86

Abstract: PROBLEM TO BE SOLVED: To improve drainage performance, and to minimize the deterioration of the sound-absorbing characteristics of a sound absorptive object by reducing the sectional area of the sound absorptive object for a sound-isolating device disposed in upright at a place requiring sound isolation on the outdoor side towards a lower section and quickly draining infiltrating moisture. SOLUTION: The lower end side is thinner than the upper end side in the wall thickness of a sound absorptive object 1, or an approximately triangular notch 2 is formed on the lower end side of the sound absorptive object 1 and a sectional area is reduced. Consequently, the drainage of moisture infiltrating into the sound absorptive object 1 by a rainfall, etc., is promoted, and the deterioration of sound-absorbing characteristics is inhibited at a minimum. Sections among layers are used as drainage paths, water is extremely easy to flow in the sound absorptive object 1 and both sound-absorbing performance and drainage performance can be improved by forming the sound absorptive object 1 in superposed layer-shaped structure by employing a fiber sound-absorbing material consisting of inorganic fibers, synthetic fibers or natural fibers having excellent water permeability and sound-absorbing characteristics.

公开(公告)号：JPH08189104A

公开(公告)日：1996-07-23

申请号：JP1969095

申请日：1995-01-12

Applicant: BRIDGESTONE CORP

Inventor： ONOZATO TSUTOMU ,  KONDO KIICHI ,  CHOMEI HAJIME ,  AOKI MASAMI

IPC: E01F8/00 ,  E01F8/02 ,  E04B1/86 ,  F16B35/04

Abstract: PURPOSE: To lighten a sound-absorbing body to easily handle it and also facilitate the fitting works thereof to a wall or the like and reduce the fitting cost. CONSTITUTION: A fixing parts 2 provided with a hole 2A piercing a material 1 formed of fibrous material constituting a sound-absorbing body, in the thickness direction, at a specified position thereof, is fitted to the material 1. This fibrous material is treated with a water repellent agent to provide water repellency and weatherability. A plurality of fixing claws 24 provided with elasticity and fitted to a screw 4A are formed in the hole 2A of the fixing parts 2. The screw 4A projected to the outside of an anchor bolt 4 buried in the base body 3 of a concrete wall face or the like is inserted in the hole 2A of the fixing parts 2 to fix to the fixing claw 24 in order to fix the sound-absorbing body to the base body 3.

公开(公告)号：JPH0752616A

公开(公告)日：1995-02-28

申请号：JP20521593

申请日：1993-08-19

Applicant: BRIDGESTONE CORP

Inventor： SHIMA HIROSHI ,  ONOZATO TSUTOMU ,  AOKI MASAMI

IPC: B60B19/00 ,  B60C5/00 ,  B60C19/00

Abstract: PURPOSE:To complete a tire wheel which reduces noise in a cabin without hindering deformation of a tire at the time of load rolling and rim assembling work of the tire by arranging a sound absorbing body in a cavity of the tire properly without fixing it on the tire or rim. CONSTITUTION:A tire 1 which has a bead section, a side wall section, and a tread section is fitted on a rim 3 of a wheel, and a porous sound absorbing body 5 which can move freely without being restricted by the tire 1 and rim 3 is provided in a cavity surrounded by an inner peripheral face 2 of the tire and an outer peripheral face 4 of the rim 3.

公开(公告)号：JPH0489863A

公开(公告)日：1992-03-24

申请号：JP20577790

申请日：1990-08-02

Applicant: BRIDGESTONE CORP

Inventor： SHINOGAYA TOSHIKAZU ,  ONOZATO TSUTOMU ,  SHIMA HIROSHI

IPC: C08K3/00 ,  C08K3/22 ,  C08K5/05 ,  C08K5/10 ,  C08K5/42 ,  C08K7/02 ,  C08L77/00

Abstract: PURPOSE:To obtain the title composition which can reduce the fixed sound and secondary transmitted sound by incorporating a plasticizer and reinforcing fibers into a polyamide resin. CONSTITUTION:100 pts.wt. polyamide resin is mixed with 5-40 pts.wt. plasticizer (e.g. N-ethyl-O-toluenesulfonamide) and 10-70 pts.wt. reinforcing fibers (e.g. glass fibers) of 0.1-15 mm in length, and if necessary, 50-1,000 pts.wt. filler (e.g. iron oxide) to give the title composition having a modulus of elasticity of 1,500 to 100,000 kg/cm , a loss factor of 0.05 or greater, and a specific gravity of 1.2 to 4.0.

公开(公告)号：JP2003201707A

公开(公告)日：2003-07-18

申请号：JP2002293454

申请日：2002-10-07

Applicant: BRIDGESTONE CORP

Inventor： ONOZATO TSUTOMU ,  AOKI MASAMI

IPC: E01F8/00 ,  D04H1/541 ,  D06M11/00 ,  D06M11/77 ,  G10K11/16 ,  G10K11/162 ,  D04H1/54

Abstract: PROBLEM TO BE SOLVED: To provide a sound absorptive object, which prevents an infiltration to the sound absorptive object of moisture such as rain in the case of a use in the outdoors or the like, in which sound absorbing qualities are not damaged by a waterproof means and which is lightweight and has excellent workability. SOLUTION: The sound absorptive object is composed of fiber aggregate 2, and molded and solidified by a binder having a fibrous form. The surface 5 of the fiber aggregate 2 has a coating-treated layer 6 water-repellent treated by a ceramic water-repellent agent. Since moisture such as rain is repelled without having an effect on sound-absorbing qualities, the deterioration of the sound-absorbing qualities of the sound absorptive object 1 due to the infiltration of moisture can be prevented, and workability is also improved without largely increasing weight. COPYRIGHT: (C)2003,JPO

公开(公告)号：JPH0913020A

公开(公告)日：1997-01-14

申请号：JP10264396

申请日：1996-04-24

Applicant: BRIDGESTONE CORP

Inventor： AOKI SEI ,  AOKI MASAMI ,  ONOZATO TSUTOMU

IPC: E04B1/86 ,  C09D4/00 ,  C09K3/18 ,  D06M13/02 ,  D06M13/184 ,  D06M13/203 ,  D06M13/50 ,  D06M13/503 ,  D06M13/507 ,  D06M13/513 ,  D06M101/00 ,  D06M101/16 ,  D06M101/30 ,  D06M101/32

Abstract: PROBLEM TO BE SOLVED: To obtain a water repellent composition which makes a sound absorber waterproof, is suited to make a sound absorber (e.g. fiber aggregate) water- repellent without detriment to its sound absorption and has an excellent persistent water-repellent effect and to obtain a sound absorber treated therewith and having a persistent inhibiting effect on sound absorption without being lowered by water. SOLUTION: This water repellent composition is prepared by adding a silane coupling agent and/or a reactive monomer such as an acrylic monomer to a ceramic-based water repellent base. This sound absorber 10 is prepared by forming a layer 14 of the water repellent composition on the sound-absorbing surface 12A side (the surface permeated with water) of a sound-absorbing layer 12 made of a fiber aggregate. The layer 14 is formed by spraying the aggregate with the composition or by impregnating the aggregate with the composition.

公开(公告)号：JPH0820917A

公开(公告)日：1996-01-23

申请号：JP19953794

申请日：1994-08-24

Applicant: BRIDGESTONE CORP

Inventor： ONOZATO TSUTOMU ,  AOKI MASAMI ,  YOKOBORI TAKEO

IPC: E01F8/00 ,  E01F8/02 ,  E04B1/82

Abstract: PURPOSE:To prevent incursion of water such as rain etc. into a sound absorbing body when a soundproof structural body is used for an outdoor, and prevent sound absorbing coefficient from lowering due to the waterproof device. CONSTITUTION:In a soundproof structural body 10, a drainage layer 14 is provided to a soundproof surface 12a side of a soundproof layer 12 through a space 16, and it is fixed to the inside of a box having a opening 18 on the drainage side in consideration of prevention of incursion of water from the surface other than the sound absorbing surface. A drain opening 15 for draining water from the drainage layer 14 to the outside of the box 20 and a drain opening 17 for draining water in a space 16 to the outside of the box 20 are provided.