专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPH01255507A MANUFACTURE OF PRESTRESS INTRODUCTION SEMI-PRECAST CONCRETE COMPONENT FOR LONG SPAN SLAB 失效
公开(公告)号：JPH01255507A
公开(公告)日：1989-10-12
申请号：JP8299088
申请日：1988-04-06
申请人： FUJITA CORP
发明人： TAMURA MASAHIDE
IPC分类号： E04B5/38 , B28B23/06 , E04B5/43
摘要： PURPOSE:To carry out working for a long span floor without support by disposing vertically prefabricated small beam reinforcing bar in which PC steel material for prestress introduction is incorporated preliminarily, fastening both ends of the PC steel material with a reaction support device at both ends of the frame and adding vertical load to the steel material at the two points formed by dividing the small beam length in three equal portions. CONSTITUTION:Both ends of a prestress introduction PC steel material 4 are fastened with a reaction support device 6 disposed to a position upper than the center of the section of a small beam at an end plate A. Load to almost offset the stress generated by the own weight of a floor board is applied to the PC steel material 4 by external force P at the two points formed by dividing the small beam lengths in three equal portions. Concrete 7 is placed in the frame A while fastened is maintained. Given strength is obtained by means of vapor curing or the like after placing concrete, and then fastening of the PC steel material 4 with the reaction support device 6 and the external force P are released and releasing from a mold is carried out to mold a precast concrete component constituted of a rib-shaped small beam (a) in which prestress is introduced and a semi-floor bard (b).

2. 发明专利

JPH0488230A FIXING DEVICE FOR MOVABLE STRUCTURE 失效
公开(公告)号：JPH0488230A
公开(公告)日：1992-03-23
申请号：JP20238590
申请日：1990-08-01
申请人： FUJITA CORP , SUMITOMO HEAVY INDUSTRIES
发明人： TAMURA MASAHIDE , ARAI NOBUYUKI , FUJITA KENJI , KAWASE KATSUMI
IPC分类号： E04B1/36 , F16F7/12
摘要： PURPOSE:To keep the earthquake input to a small value and permit the economical designing by farming an engagement hole on a top part piece fixed on a torsional shaft erected on a lower part structure and installing a pin engaged and disengaged with the engagement hole on an upper part movable structure. CONSTITUTION:When a horizontal force acts on a driving part because of an earthquake, wind, etc., in the state where an upper part movable structure is fixed on a lower part structure 1, a top part plate 7 rotates, and a torsional shaft 4 on which the top part plate is installed rotates in torsion. When an excessive horizontal force acts in a large earthquake, etc., the torsional shaft 4 torsion-yields and is made plastic, and absorbs energy, and the earthquake input far the upper part movable structure reduces. Since, in this case, the bending deformation of the torsional shaft 4 due to the horizontal force is suppressed by a bending reinforcing sheath pipe 5 on the outer periphery of the torsional shaft 4 and a reinforcing plate 6, the bending stress of the torsional shaft 4 is reduced so that the influence can be ignored.

3. 发明专利

JPH03257269A DAMPING DEVICE FOR BUILDING 失效
公开(公告)号：JPH03257269A
公开(公告)日：1991-11-15
申请号：JP5376690
申请日：1990-03-07
申请人： FUJITA CORP
发明人： TAMURA MASAHIDE
IPC分类号： E04H9/02
摘要： PURPOSE:To display damping effect by pin jointing one point of horizontal material of large deflective rigidity to a lower structure, as well as jointing another point to an upper structure, and interposing dampers between the horizontal material and the upper structure, on the opposite side to a pin joint. CONSTITUTION:One point of horizontal material 3 of large deflective rigidity is pin jointed by a pin 4 to a lower structure 1 fixed at a lower floor, in such a way as to be rotatable around a vertical axis. Another point of the horizontal material 3 is jointed through a connecting rod 5 or the like to an upper structure 2 which is not fixed at the lower structure 1. Dampers 8, 8' are then interposed, through connecting rods 7, 7' or the like, between the horizontal material 3 and the upper structure 2, on the opposite side to a pin joint with the lower structure 1 viewing from a joint with the upper structure 2. At the time of earthquake or the like, displacement between layers are thereby enlarged to be transmitted to the dampers 8, 8' so as to increase damping effect.

4. 发明专利

JPH0396542A TENACITY REINFORCING MECHANISM FOR COLUMN/BEAM JOINTING SECTION IN COMBINED STRUCTURE CONSISTING OF RC COLUMN AND STEEL FRAME BEAM 失效
公开(公告)号：JPH0396542A
公开(公告)日：1991-04-22
申请号：JP23301889
申请日：1989-09-11
申请人： FUJITA CORP
发明人： SANPEI AKIHIKO , SASAKI HITOSHI , YOSHINO TSUGUHIKO , TAMURA MASAHIDE , YAMAMOTO TETSUO
IPC分类号： E04B1/16 , E04B1/30 , E04B1/58
摘要： PURPOSE:To contrive tenacity reinforcing by placing concrete at crossed sections, after plane-crossed-frame-shaped band plates having the level of almost floor slab thickness are firmly fitted on the upper and lower respective flanges of beams at the crossed sections of the steel frame beams and RC columns. CONSTITUTION:Sections between the confronted sides of the frame pieces 3 of a closed type having the level of almost slab thickness are formed with band plates B connected to each other with reinforcing plates 4. After that, on the upper and lower respective flanges 1, 2 of beams A at the crossed positions of the steel frame beams 4 and RC columns D, the plates B and ribs 5 are fitted, and they are integrally formed. After that, hoops 7 are arranged between the webs 6 of the beams A, and after that, on column reinforcements 9 projected to the upper ends of the columns D, the reinforcements 7 and the plates B are fitted. Then, the concrete E of the fitted-on sections of slabs and columns is placed at the same time. As a result, the yield strength and tenacity of the jointed sections are increased, and the crack of the concrete, bearing pressure destruction, and joint separation between the jointed sections can be prevented from being generated.

5. 发明专利

JPS56124738A VIBROOISOLATING DEVICE 失效
公开(公告)号：JPS56124738A
公开(公告)日：1981-09-30
申请号：JP2611180
申请日：1980-03-04
申请人： FUJITA CORP
发明人： YANO KENSUKE , TAMURA MASAHIDE
IPC分类号： F16F13/18 , F16F1/40 , F16F13/00 , F16F13/08
摘要： PURPOSE:To perform isolating operation of vibration with a less amount of distortion in a vertical direction and soft movement in a horizontal direction, by alternately piling doughnut-shaped metallic plates and elastic bodies, allowing them to adhere to each other, forming a cylindrical body, enclosing both top and bottom ends of said cylindrical body with metallic plates and sealing the inside of the cylindrical body with liquid. CONSTITUTION:Annular framelike bodies 1, consisting of elastic material of rubber or the like, and annular framelike bodies 2, consisting of metal, are alternately laminated and allowed to adhere to each other, and a cylindrical body 3 is formed. Metallic plates 4 are glued to top and bottom end sides respectively of said cylindrical body 3 in such a manner as to enclose its internal space, then to a hollowed part formed between the both top and bottom metallic plates 4 and the cylindrical body 3 liquid 5 like water is filled to constitute a vibro-isolating device A. In this way, resistance by liquid pressure against force in a perpendicular direction causes a less amount of distortion in a vertical direction for the whole unit of the vibro- isolating device A. While against force applied in a horizontal direction soft supporting operation can be performed.

6. 发明专利

JPS5120449A KOZOBUTSUNIOKERU TAISHINKAKO 失效
公开(公告)号：JPS5120449A
公开(公告)日：1976-02-18
申请号：JP9151174
申请日：1974-08-12
申请人： FUJITA CORP
发明人： TAMURA MASAHIDE
IPC分类号： E04H9/02

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式