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1. 发明专利

JP2001020555A CONSTRUCTION METHOD OF STORAGE TANK ROOF 失效
公开(公告)号：JP2001020555A
公开(公告)日：2001-01-23
申请号：JP19822699
申请日：1999-07-12
申请人： MITSUBISHI HEAVY IND LTD
发明人： KOKAYU YASUHIRO , NISHIOKA NOBUYUKI , KASHIMA HIDETOSHI , SAITO GORO
IPC分类号： F17C3/04 , E04H7/06
摘要： PROBLEM TO BE SOLVED: To provide a construction method of a storage tank roof capable of reducing the cost and a construction period when constructing the storage tank roof. SOLUTION: A roof of an underground storage tank 10 is constituted by combining plural roof units R, and the respective roof units R are constituted as an integral unit without being divided into plural parts in the radial direction of a roof 14. When arranging the respective roof units R, a central side end part of the respective roof units R is swingably joined to a joint metal fitting arranged in a ridge ring 22, and thereafter, an outer peripheral part end part of the roof units R is lowered on an outer peripheral joint bracket 37 to be supported by a central column 50 and the side wall 13 side to be joined to the ridge ring 22 and the outer peripheral joint bracket 37.

2. 发明专利

JPH0826387A FIXING STRUCTURE FOR MEMBRANE OF LOW TEMPERATURE TANK 失效
公开(公告)号：JPH0826387A
公开(公告)日：1996-01-30
申请号：JP18294994
申请日：1994-07-12
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAWAKAMI YOSHIMICHI , NISHIOKA NOBUYUKI , KOKAYU YASUHIRO
IPC分类号： B65D90/04
摘要： PURPOSE:To enable a plurality of anchors to be placed on a flat plane of a membrane to allow rotation distortion of the flat plane by the respective anchors by providing an anti-crush cylinder for surrounding a locking member which can be relatively displaced to be inserted between a concrete body and the membrane. CONSTITUTION:On an inner face of a concrete body 01, a membrane 03 with respective welding holes 05 drilled is supported by an anchor 07 across a cold insulator 02 on a rectangular flat plane surrounded by a plurality of pleats 04 protruding in a grid with appropriate vertical and lateral intervals. In this case, a locking member 3 which can be relatively displaced is placed wherein its base end is buried into the concrete body 01 and the tip is locked no a fixing plate 1 fillet-welded concentrically to an inside of a welding hole 1a. An anti-crush cylinder 6 for surrounding the locking member 3 to be inserted between the concrete body 01 and the membrane 03 is provided. Thus a plurality of anchors 07 are provided on the flat plane of the membrane 03, while the respective anchors 07 allow rotation distortion of the flat plane, thereby reducing a processing amount of the pleats.

3. 发明专利

JPH11141172A METHOD OF ROOFING CONSTRUCTION 失效
公开(公告)号：JPH11141172A
公开(公告)日：1999-05-25
申请号：JP30828597
申请日：1997-11-11
申请人： MITSUBISHI HEAVY IND LTD
发明人： ODAWARA SHINSUKE , KOKAYU YASUHIRO
IPC分类号： E04H7/18 , B65D90/00
摘要： PROBLEM TO BE SOLVED: To lift a dome-like roof simply at low cost. SOLUTION: In a method of roofing construction, a dome-like roof 2 is lifted to the upper section of a building frame 1 by supplying a section between the bottom section of the building frame 1 and the dome-like roof 2 assembled in the building frame 1 with compressed air, and installed and fixed onto a roof outer circumferential material 3. Compressed air is fed by using a plurality of buried pipings 1a (normally approximately 4 or 6) being mounted mainly in the side wall of the building frame 1 and supplying the internal surface of the building frame 1 with nitrogen gas from the outside after the installation of a tank at that time. Accordingly, a temporary air pipe, in which labor hours and a time are required for mounting and removal in comparison with a temporary facility, may not be disposed in upright into the building frame 1, and labor hours and the time needed for the execution of works can be reduced largely.

4. 发明专利

JPH0957358A FORMING MACHINE OF PLATE 失效
公开(公告)号：JPH0957358A
公开(公告)日：1997-03-04
申请号：JP21735595
申请日：1995-08-25
申请人： MITSUBISHI HEAVY IND LTD
发明人： NAKAMURA HITOSHI , NISHIOKA NOBUYUKI , ODAWARA SHINSUKE , KOKAYU YASUHIRO
IPC分类号： B21D13/02 , B30B15/02
摘要： PROBLEM TO BE SOLVED: To realize the precise and continuous forming in a forming machine to form a membrane to a plate. SOLUTION: Two-split upper dies 1a, 1b and lower dies 1c, 1d are relatively movable in the vertical direction, a plate to be formed therebetween is held so as not to slide, and hydraulic cylinders 2a, 2b, 2c, 2d to move the two-split upper dies 1a, 1b and the lower dies 1c, 1d in the approaching direction and the reverse direction are provided. Membranes (pleats) are formed in the plate by pressing tool 6 which is connected to the lower dies 1c, 1d by a ring mechanism 7 and moved upward when the lower dies 1c, 1d approach, and recessed part forming parts 1a', 1b' provided on the side surface opposite to the upper dies 1a, 1b.

5. 发明专利

JPH07217796A STRUCTURE FOR FIXING MAIN MEMBRANE IN LOW TEMPERATURE TANK 失效
公开(公告)号：JPH07217796A
公开(公告)日：1995-08-15
申请号：JP2613894
申请日：1994-01-28
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAWAKAMI YOSHIMICHI , NISHIOKA NOBUYUKI , KOKAYU YASUHIRO , AIBA MITSURU , DEGUCHI AKIO
IPC分类号： F17C3/06
摘要： PURPOSE:To provide a membrane fixing structure for a low temperature tank, which is highly economical, in which a plurality of anchors are arranged in a flat plate part of the membrane, each anchor allowing the flat plate part to turn and deform so that flat plate part has a large size while the processing volume of pleats can be decreased. CONSTITUTION:A membrane fixing structure is composed of a body side spherical socket 1 fixed to the inner surface of a concrete body 01 through the intermediary of a relatively large diameter attaching panel 3, a membrane side spherical socket 4 fixed through the intermediary of a relatively large diameter attaching panel 5 which are fillet-welded coaxially to a welding hole 05 in a membrane 03, and a plurality of loosely fitted rod-like anchors 8 each including opposite end spherical protrusions 7 which are loosely fitted in the sockets 1 and 4, and a connecting rod 6 having a center rod part piercing through the sockets 1, 4.

6. 发明专利

JPH08128598A MEMBRANE PLEATING STRUCTURE OF LOW TEMPERATURE 失效
公开(公告)号：JPH08128598A
公开(公告)日：1996-05-21
申请号：JP26536094
申请日：1994-10-28
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAWAKAMI YOSHIMICHI , NISHIOKA NOBUYUKI , ODAWARA SHINSUKE , KOKAYU YASUHIRO , NAKAMURA HITOSHI , SEKI MASAYOSHI
IPC分类号： F17C13/00
摘要： PURPOSE: To increase the welding strength of a corner piece which mutually connects pleat crossing parts between a side part membrane and a bottom part membrane. CONSTITUTION: In the membrane pleating structure of a low temperature tank in which pleat crossing parts between a side part membrane 2 and a bottom part membrane 2 which are attached inside a tank, are mutually connected through a corner piece 5 in which an inclined pleat 5a is swelled in its center, the corner piece 5 is divided into two at the top part of the inclined pleat 5a, and respective divided pieces are connected to and welded to a side part membrane pleat 2a and a bottom part membrane pleat 2b, and also the top part of the inclined pleat 5a of each divided piece is covered with a cover plate 1.

7. 发明专利

JPH07239094A METHOD FOR MANUFACTURING CORNER PIECE OF CYLINDRICAL LOW TEMPERATURE FLUID STORAGE TANK 失效
公开(公告)号：JPH07239094A
公开(公告)日：1995-09-12
申请号：JP5115494
申请日：1994-02-24
申请人： MITSUBISHI HEAVY IND LTD
发明人： NISHIOKA NOBUYUKI , KOKAYU YASUHIRO
IPC分类号： F17C3/00 , F17C3/06
摘要： PURPOSE:To enhance fatigue strength and also to smoothly absorb heat shrinkage in a circumferential direction by constituting a corner piece for forming creases by means of bending a plate and linearly forming crease parts. CONSTITUTION:This corner piece is provided with a linearly pushed and bent fold 10, and by applying a special finishing process to a joint part (superposed joint) for connecting a side wall fold to a bottom part fold, both folds continue smoothly to each other. For the corner piece of this type, after a square plate is deeply drawn by means of a press recessed parts 9 and 9 are formed by punch dies, cutting process is applied to both diagonal ends along a right angle notched line by about 90 deg., both wing parts 4L and 4R are pressed upward in an arrow direction with a bent line 8 for connecting contracted parts together as a bending line, and thereby the fold 10 is formed by being bent in a U shape. And the corner piece is manufactured by applying pressing process again to the both ends of the bonding line 8, that is, the recessed parts formed by punch dies.

8. 发明专利

JPH07229597A MEMBRANE STRUCTURE FOR LOW TEMPERATURE TANK 失效
公开(公告)号：JPH07229597A
公开(公告)日：1995-08-29
申请号：JP2126394
申请日：1994-02-18
申请人： MITSUBISHI HEAVY IND LTD
发明人： NISHIOKA NOBUYUKI , KOKAYU YASUHIRO
IPC分类号： B65D90/06 , F17C3/02 , F17C3/06
摘要： PURPOSE:To shorten a term of works and to improve fatigue strength and reliability by greatly reducing the length of a welding line and using a bent-up rib lap joint. CONSTITUTION:In a low temperature tank storing low temperature liquid, multi- groove rib sheets l, in each of which lateral bent-up ribs 16 are formed in plural rows by process of bending in a single long plate, bent ribs 2, in each of which a bent-up rib 16 is arranged in the lateral direction and U-shaped notch parts are arranged in the central parts of both upper and lower side parts, bent-up rib sheets 3, in each of which the bent-up rib 16 is arranged in the vertical direction and triangular notch parts are arranged in both right and left side parts, and triangular connection pieces 4, in each of which the bent-up rib 16 is arranged in the lateral direction, are assembled so that a grid bent-up rib 16 is formed.

9. 发明专利

JP2001027397A MEMBRANE STRUCTURE OF STORAGE TANK 失效
公开(公告)号：JP2001027397A
公开(公告)日：2001-01-30
申请号：JP19822399
申请日：1999-07-12
申请人： MITSUBISHI HEAVY IND LTD
发明人： KOKAYU YASUHIRO , NISHIOKA NOBUYUKI , KASHIMA HIDETOSHI
IPC分类号： B65D90/02 , F17C3/04
摘要： PROBLEM TO BE SOLVED: To enhance the durability of a pleat part. SOLUTION: In a pleat part 20 formed in an almost lattice shape in a membrane 16, a pleat disappearing part 21 formed in an end part of the pleat part 20 is covered with a cap unit 22 so as to be welded. In this case, the cap unit 22 is constituted by integrally continuously forming a disappearing part coated part 22a of almost U shape as viewed by section coating a top part of the pleat disappearing part 21, pleat part coated part 22b of almost U shape as viewed by section coated in the pleat part 20 continued to this pleat disappearing part 21, and a plate-shaped part coated part 22c of float plate shape abutting to a plate-shaped part 19 in the vicinity of the pleat disappearing part 21, and welding to a panel material P of the cap unit 22 is performed not in the top part of the pleat disappearing part 21 but in a side surface 21a on both sides thereof.

10. 发明专利

JP2001020437A ROOF CONSTRUCTION METHOD AND ROOF UNIT USED THEREFOR 失效
公开(公告)号：JP2001020437A
公开(公告)日：2001-01-23
申请号：JP19822599
申请日：1999-07-12
申请人： MITSUBISHI HEAVY IND LTD
发明人： KOKAYU YASUHIRO , KASHIMA HIDETOSHI , NISHIOKA NOBUYUKI
IPC分类号： E04B7/02 , E04B7/08
摘要： PROBLEM TO BE SOLVED: To enhance the efficiency of construction by assembling a roof unit equipped with stiffeners at the bottom surface of a frame consisting of rafter members extended in the radial direction of the roof and ring members extended in the peripheral direction of the roof to the top of a sidewall. SOLUTION: A roof unit R having almost a fan shape in plan view is formed with rafter members 23, ring members 24 and roof members 21. And a truss- shaped stiffener 40 comprising a channel member 41 and a lattice member 42 is arranged in parallel and attached to a jointing rafter member 27 for the rafter member 23 of the unit R. In addition, supports 45 are attached at predetermined intervals to the bottom surface of the rafter members 23 and scaffold boards 46 are provided between the supports 45 and channel members 41, thereby providing temporary scaffolds 47. And at the time of construction work, a neighboring unit R is jointed through the rafter member 27 and the roof is constructed by jointing the central portion side and the outer peripheral side of the unit R to the sidewall of a ridge ring and a storage tank or the like respectively through joint brackets. In this way, the efficiency of construction can be enhanced.

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