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公开(公告)号：JPH11217948A
公开(公告)日：1999-08-10
申请号：JP3668598
申请日：1998-02-02
Applicant: BRIDGESTONE CORP
Inventor： MURAKAMI KAZUTOMO , TAKESHITA MICHITAKA
Abstract: PROBLEM TO BE SOLVED: To absorb impact oscillating energy and to reduce noise by fixing a ceiling panel on a side wall panel erected around four sides of a waterproofing pan with support legs and building an impact absorbing mechanism of a specific elastic modulus in the waterproofing pan and the side wall panel. SOLUTION: An impact absorbing mechanism 30 is molded of nonwoven fabric, foaming resin, rubber, etc., and an elastic modulus of the impact absorbing mechanism 30 is set as 1×10-1×10 N/m , In this case, the impact absorbing mechanism 30 is normally built in between a bathtub side surface and a surface layer of a part of a wash place surface and a reinforcing material, but it is built only in the wash place part as required. On the contrary, the impact absorbing mechanism 30 can be built in between a surface layer 10 of the waterproofing pan 1 and a back surface layer 11 of the waterproofing pan 1. The impact absorbing mechanism 30 is fixed on the waterproofing pan 1, the back surface part 11 of the side wall panel and an intermediate part against impact noise generated at the time of using a unit bathroom. Consequently, it is possible to prevent propagation of impact by absorbing it.
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公开(公告)号：JPH10311105A
公开(公告)日：1998-11-24
申请号：JP13783697
申请日：1997-05-12
Applicant: JUTAKU TOSHI SEIBI KODAN , BRIDGESTONE CORP
Inventor： KAMATA KAZUO , ODA SATOSHI , MURAKAMI KAZUTOMO , TSUKADA SUSUMU , INABA KENJI , TAKESHITA MICHITAKA
Abstract: PROBLEM TO BE SOLVED: To effectively reduce noises such as floor impact noise throughout a wide range extending from a low frequency area to a high frequency area by a method wherein sound absorbing materials are arranged along all wall surface at the periphery of an interior finish ceiling material and only at the periphery thereof. SOLUTION: A suspension tool 2 is suspended from a ceiling slab, such as a concrete slab 1, by an anchor bolt and an interior finish ceiling material 4 is arranged through an air layer 3 at the suspension tool 2. Sound-absorbing materials 5 are arranged along all a wall surface 6 at the periphery of the interior finish ceiling material 4 and only the periphery. The sound-absorbing material 5 is formed of short fibers of synthetic fibers or natural fibers used as a material, and specified permeability and ventilation resistance are provided in a way that a fiber diameter and apparent density are set to values within a specified range. This constitution effectively reduces the generation of noise, such as floor impact noise, throughout a wide range extending from a low frequency area to a high frequency area.
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公开(公告)号：JPH10264106A
公开(公告)日：1998-10-06
申请号：JP34444897
申请日：1997-11-28
Applicant: BRIDGESTONE CORP
Inventor： AOKI SEI , YANAGI HIDESHI , YOSHIDA TAKEICHI , TAKESHITA MICHITAKA , ABE MASANORI
Abstract: PROBLEM TO BE SOLVED: To make a finished material highly antimarring and manufacture it at a low cost. SOLUTION: This wood finished material is manufactured by lapping a prepreg-state sheet 2 containing a heat-setting resin on a base board 1 which can be impregnated with a resin, then lapping a decorative material 3 which can be impregnated with a resin on the sheet 2 and bonding these materials together by heat pressing. The heat-setting resin is a phenol resin whose flow rate in a prepreg state is 2-50%.
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公开(公告)号：JPH10202614A
公开(公告)日：1998-08-04
申请号：JP2616897
申请日：1997-01-24
Applicant: BRIDGESTONE CORP
Inventor： TAKESHITA MICHITAKA , YOSHIDA TAKEICHI , ABE MASANORI , INABA KENJI
Abstract: PROBLEM TO BE SOLVED: To shorten the process, and realize the reduction of the cost by simultaneously performing a face material affixing process and a forming process for chip. SOLUTION: In a method wherein a particle board is continuously manufactured using a mat 9 comprising chip combined with an adhesive which is hardened by heating and pressurizing, when the mat 9 is fed to the processes of the heating and pressurizing, at least on one surface side of the mat 9, a surface material 10 on which a prepreg is impregnated, is fed together with the mat 9, and the particle board having the surface material is manufactured by heating and pressurizing the mat 9 and the surface material 10.
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公开(公告)号：JPH10114026A
公开(公告)日：1998-05-06
申请号：JP23773397
申请日：1997-08-19
Applicant: BRIDGESTONE CORP
Inventor： ABE MASANORI , TAKESHITA MICHITAKA , YOSHIDA TAKEICHI
IPC: E04F13/10 , B29C70/06 , B29K101/10 , B29K105/08 , B29L31/58 , B32B5/28 , B32B27/00
Abstract: PROBLEM TO BE SOLVED: To improve scratch resistance and to obtain an interior finishing material which is applicable to wide applications by a method in which a sheet in which a sheet backing is impregnated with a semi-cured thermosetting resin is overlaid on the backing, a decorative material is overlaid on the sheet and hot-pressed to bond to each other. SOLUTION: A sheet 2 is overlaid on a backing 1, a decorative material 3 is overlaid on it. In this process, as regards sheet 2, a prepreg sheet in which a sheet backing formed from a fabric and a nonwoven fabric of paper, glass fibers, Vinylon fibers, polyester fibers, etc., is used, the backing 1, the sheet 2, and the material 3 are overlapped and hot-pressed so that the thermosetting resin is cured to be bonded to each other. As the thermosetting resin with which the sheet backing is impregnated, a fiber ratio is made to contain 100% or more, preferably made to be 200-300%, as the thermosetting resin to be used, phenol resin, epoxy resin, urea resin, and urethane resin are named.
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Patent Agency Ranking
公开(公告)号：JPH10114017A
公开(公告)日：1998-05-06
申请号：JP23772997
申请日：1997-08-19
Applicant: BRIDGESTONE CORP
Inventor： AOKI SEI , YANAGI HIDESHI , YOSHIDA TAKEICHI , TAKESHITA MICHITAKA , ABE MASANORI
Abstract: PROBLEM TO BE SOLVED: To provide ligneous finishing material at a low cost in which marring resistance is excellent. SOLUTION: The ligneous finishing material is produced by impregnating thermosetting resin being in a semi-rigid state into a sheet base material to form a sheet 2 and superposing the sheet 2 on a baseplate 1 capable of impregnating resin and superposing decorative material 3 capable of impregnation of resin on the sheet 2 and performing thermal press to mutually bond them. Thermosetting resin is impregnated into the sheet base material so that solid content becomes 50-500g/m and thereafter the sheet 2 is held in the semi-rigid state.
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公开(公告)号：JPH10114016A
公开(公告)日：1998-05-06
申请号：JP23772797
申请日：1997-08-19
Applicant: BRIDGESTONE CORP
Inventor： AOKI SEI , YANAGI HIDESHI , YOSHIDA TAKEICHI , TAKESHITA MICHITAKA , ABE MASANORI
Abstract: PROBLEM TO BE SOLVED: To enable a woody finishing material which is inexpensive and has good scratch resistance to be obtained by a method in which a prepreg sheet containing a thermosetting phenol resin is overlaid on a base plate, a decorative material which can be impregnated with the resin is laminated on the sheet to be hot-pressed and bonded. SOLUTION: A sheet 2 containing a thermosetting resin is stuck on a base plate 1, and a decorative material 3 is stuck on it. A material which makes the impregnation of a resin possible, for example plywood, a woody fiber board, etc., or complex plywood of these are used preferably as the base plate 1. The sheet 2 is a material in which a sheet backing of paper, a fabric, a nonwoven fabric, etc., is impregnated with the thermosetting resin. As paper impregnated with the resin as the sheet backing, gypsum board paper, craft paper, etc., are suitable. As regards the decorative material 3, a wood thin plate for a decorative sheet, paper on which a pattern, etc., are printed in advance or the surface of which is made uneven, etc., can be used appropriately. A material which makes the impregnation of the resin possible is selected as the material of the decorative material 3.
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公开(公告)号：JPH10102618A
公开(公告)日：1998-04-21
申请号：JP27419396
申请日：1996-09-25
Applicant: BRIDGESTONE CORP
Inventor： MURAKAMI KAZUTOMO , TSUKADA SUSUMU , INABA KENJI , TAKESHITA MICHITAKA
IPC: E04B1/82
Abstract: PROBLEM TO BE SOLVED: To efficiently reduce noise in a low frequency band by building a resonance absorption mechanism in a wall of a hollow or soled construction. SOLUTION: A resonance absorption mechanism 2 comprising a main body portion 21 having a cavity portion, a neck portion 22 having a air ventilation passage communicating with the cavity portion of the main body 21, and an opening 23 opened toward the indoor side at the neck portion 22 is built in a wall surface panel P thereby constituting a soundproof wall. A mechanism 2 utilizes the resonance phenomenon by the mass of air existing in air passage of the neck portion 22 and a spring component of air in the air cavity of the main body 21 and reduce and absorbs the standing wave occurred in the room. Also, the cross-sectional area of the opening portion 23, the volume of cavity of the main body portion 21, and the length of neck portion 22 are made freely adjustable and are accurately tuned to the standing wave changing in response to the situation inside the room. By doing this, the noise level in low frequency band, which is the most problematic among the impact sound of heavy weight to floor, can be efficiently reduced and the resonance sound absorbing mechanism can be arranged without projecting into the room, and also the noise insulation can be improved because of double wall construction.
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公开(公告)号：JPH09310424A
公开(公告)日：1997-12-02
申请号：JP15039496
申请日：1996-05-21
Applicant: BRIDGESTONE CORP
Inventor： YAMADA KOTARO , NAKAZAWA KAZUMA , SASAKI HARUTO , TAKESHITA MICHITAKA , SHINPO MUNETOSHI
Abstract: PROBLEM TO BE SOLVED: To avoid an inside reinforcing bar without shifting a panel when driving fixtures into a body, if colliding with the reinforcing bar. SOLUTION: A heat insulating waterproof panel which has a heat insulating material 1 coated with a resin material is driven and placed on a reinforced concrete body 7 with fixtures. In this case, a dent 3 is formed ranging from the surface 2A of a panel mainbody 2 to coat the heat insulating material 1 to the back 2B. The upper end of the dent 3 is opened, the heat insulating material 1 is insulated from the dent 3 with a side peripheral wall 3A connected to the surface 2A side resin material and a bottom wall 3B formed with the back 2B side resin material and the size of the bottom wall 3B of the dent 3 is at least three times the size of the reinforcing bar in the reinforced concrete body 7, large enough to drive and place plural fixtures 8 therein.
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公开(公告)号：JPH0952317A
公开(公告)日：1997-02-25
申请号：JP22582395
申请日：1995-08-10
Applicant: BRIDGESTONE CORP , OJI PAPER CO
Inventor： TAKESHITA MICHITAKA , YOSHIDA TAKEICHI , INABA KENJI , ABE MASANORI , AMAHISA SHIYUNICHI , TOYOSHIMA SETSUO
Abstract: PROBLEM TO BE SOLVED: To manufacture a woody plywood of sufficient strength and surface smoothness by laminating a prepreg in the semi-hardened state formed by a non-woven cloth impregnated with thermosetting resin on the surface of a woody core material, heating, pressurizing and integrating together. SOLUTION: A non-woven cloth 1 is impregnated with thermosetting resin to form a prepreg in the semi-hardened state, which is laminated on the surface of a woody core material 2, heated, pressurized and integrated to manufacture a woody plywood. The prepreg is a molding material in the semi-hardened stage before the completion of hardening and composed of reinforced plastic formed by mixing a fiber reinforced material, thermosetting resin and, if necessary, other materials like a coloring agent, a curing catalyst and others, in which the functions of bonding properties and molding properties are remaining. As for a fiber raw material, fibers cut into 3-50mm and formed into mats by the wet paper manufacturing method or the dry non-woven cloth manufacturing method and bonded all together by a binder resin are suitable for use. As the volume ratio between the fiber material and resin, approximately 1:1-1:5 is preferable.
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