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21. 发明专利

JPH09133289A MANUFACTURE OF VACUUM HEAT INSULATION BODY 失效
公开(公告)号：JPH09133289A
公开(公告)日：1997-05-20
申请号：JP28690095
申请日：1995-11-06
申请人： KUBOTA KK
发明人： YAMAZAKI HIROSHI , SATO MIKIO , YAMAJI TADAO
IPC分类号： F16L59/06 , B32B9/00 , B32B15/04
摘要： PROBLEM TO BE SOLVED: To consolidate a laminating body easily without using many binders when a vacuum heat insulation body filled an inorganic board and the laminating body is manufactured in a vacuum heat insulation space. SOLUTION: A laminating body 20 is formed in such a constitution that metal foil having small heat radiation ratio and an inorganic sheet are laminated alternately and plurally, and it is packed and consolidated by a plastic film made bag body. A board formed of an inorganic material and the laminated body 20 are filled in a filling space 15 formed between a inner container 11 and an outer container 14. The inside of the filling space 15 is heated and vacuum-exhausted.

22. 发明专利

JPH0893987A GAS SEALING STRUCTURE AND METHOD THEREFOR 失效
公开(公告)号：JPH0893987A
公开(公告)日：1996-04-12
申请号：JP22853394
申请日：1994-09-26
申请人： KUBOTA KK
发明人： YAMAJI TADAO , AOKI MASAYOSHI , SATO MIKIO
IPC分类号： F16L59/06 , F16J13/00
摘要： PURPOSE: To provide such a structure that a sealing part is inexpensive, the cost for sealing work can be reduced, the sealing part is never protruded from the wall surface of a product, and sufficiently high reliability of sealing can be provided for all that CONSTITUTION: The exhaust port 3 of a member to be vacuum exhausted is sealed by a plug 13. The plug 13 is formed into a bottomed cylinder having a bottom part 14 and a cylindrical part 15, and inserted to the exhaust port 3, and the cylindrical part 15 is buckled and deformed radially outward, whereby the plug 13 can be closely adhered to the inner circumferential edge of the exhaust port 3.

23. 发明专利

JPH07280169A HEAT INSULATING MATERIAL AND MANUFACTURE OF VACUUM HEAT INSULATING PRODUCT 失效
公开(公告)号：JPH07280169A
公开(公告)日：1995-10-27
申请号：JP6428094
申请日：1994-04-01
申请人： KUBOTA KK
发明人： AOKI MASAYOSHI , YAMAJI TADAO , SATO MIKIO
IPC分类号： F16L59/02 , F16L59/06
摘要： PURPOSE:To efficiently remove the binder due to the oxidation and decomposition, and achieve the evacuation in a heat insulating material for a vacuum heat insulating container. CONSTITUTION:In a heat insulating material 10 to form the vacuum heat insulating layer of a vacuum heat insulating product, an inorganic material is formed into the board using the binder, and notches 13 are formed from the surface of this board in the direction diagonal to the thickness direction of this board. When a vacuum heat insulating product is manufactured, passages for feeding the gas containing oxygen to oxidate and decompose the binder and to remove the decomposed binder and passages for evacuation are formed by these notches so as to reach the inside of the heat insulating material 10.

24. 发明专利

JPH07276075A METHOD FOR DETECTING ABNORMALITY AT WELDING TIME 失效
公开(公告)号：JPH07276075A
公开(公告)日：1995-10-24
申请号：JP6633594
申请日：1994-04-05
申请人： KUBOTA KK
发明人： SATO MIKIO , YAMAJI TADAO , AOKI MASAYOSHI
IPC分类号： B23K9/167 , B23K9/073 , B23K9/095 , B23K9/10 , B23K31/00
摘要： PURPOSE:To securely detect welding abnormality even when a welded material is a thin plate by periodically measuring a current value and a voltage value at welding time and finding how many times the difference between a measured value at a certain time of time and a subsequently measured value exceeds a reference value. CONSTITUTION:An arithmetic part 20 averages current values and voltage values measured by a measurement part 17 at specific intervals. The arithmetic part 20 calculates the absolute value of the difference between the 1st voltage value and subsequent voltage values. When the value exceeds the reference value more than a specific number of times, welding abnormality is decided. A 1st and a 2nd reference values are set and a specific time and a specific frequency are set corresponding to both the reference values to securely detect two kinds of welding abnormality differing in voltage variation pattern. With the 1st reference value, welding abnormality like a melting fall where large voltage variation is caused as a single shot in a short time is detected. With the 2nd reference value, welding abnormality such as decentering and unevenness of beads wherein small voltage variation is caused successively many times in a long time is detected.

25. 发明专利

JPH06281090A STRUCTURE OF VACUUM HEAT-INSULATING WALL 失效
公开(公告)号：JPH06281090A
公开(公告)日：1994-10-07
申请号：JP9201593
申请日：1993-03-26
申请人： KUBOTA KK
发明人： YAMAJI TADAO , SATO MIKIO
IPC分类号： F16L59/06 , F16L59/08
摘要： PURPOSE:To attain a vacuum heat-insulating wall with high heat-insulating efficiency which can prevent the thermal shrinkage deformation of a heat insulating wall efficiently by a cooling process after a high temperature air exhaust process even if it is a large sized insulating wall, and generates little thermal stress. CONSTITUTION:This vacuum heat-insulating wall is provided with the first insulating wall 1 which is a hollow plate body formed of a thin metallic plate and where an insulating material 1A is filled inside to make it vacuum, and the second insulating wall 2 which is a metallic hollow wall for storing the whole first insulating wall 1 and where a space to the first insulating wall outer surface is filled with an insulating material 2A to make its inside vacuum. It is thus possible to attain high temperature insulation and high strength by a synergetic effect of both the first and second insulating walls.

26. 发明专利

JPH05246473A 失效
公开(公告)号：JPH05246473A
公开(公告)日：1993-09-24
申请号：JP4740292
申请日：1992-03-05
申请人： KUBOTA KK
发明人： YAMAJI TADAO , SATO MIKIO
IPC分类号： B65D81/38 , F16L59/05
摘要： PURPOSE:To offer a vacuum heat-insulated wall which needs not many sorts of compressed boards, and can be easily applied to a heat-insulated construction for a part, where a compressed board is difficult to fill, without an increase in welding length and regardless of shape, size and mounting place. CONSTITUTION:A vacuum heat-insulated wall is produced in such a way that a heat-insulating space is covered with metallic cover material 1, filled with a compressed board 7 and evacuated and heat-insulating material 9 is compactly filled in a part, where the compressed board 7 is difficult to fill because there is an insert piece 5 in the insulating space, to form a vacuum heat-insulated layer 10. Thereby, a vacuum heat-insulated construction for a place, where the compression board is difficult to fill, can be easily carried out without the need of many sorts of compressed boards and regardless of shape, size and mounting place. As welding is required only for a lid which covers a small opening, welding length can be shortened, leading to an improvement of the productivity.

27. 发明专利

JPH08121680A MANUFACTURE OF VACUUM INSULATED PRODUCT 失效
公开(公告)号：JPH08121680A
公开(公告)日：1996-05-17
申请号：JP28608494
申请日：1994-10-25
申请人： KUBOTA KK
发明人： AOKI MASAYOSHI , YAMAJI TADAO , SATO MIKIO
IPC分类号： F16L59/06
摘要： PURPOSE: To enable insertion without damage, without forming a laminated body into a board by disposing heat insulating material, formed of a laminated body constituted of inorganic fiber and a laminated body with inorganic fiber sheets and metallic foil with a small heat radiation rate alternately laminated, on the outer surface of an inner container, and fitting an outer container forcibly while compressing the heat insulating material. CONSTITUTION: An inner container to be an inner wall is supported from the inner surface by a supporting jig, and a laminated body with inorganic fiber sheets 5A and metallic foil 5B with a low heat radiation rate alternately laminated is disposed on the outer surface. An inorganic fiber board 6 is further disposed on the outside to form heat insulating material 2. An outer container is then put on utilizing the outer inorganic fiber board 6 of the heat insulating material as cushioning material. Accordingly, even if putting this outer container rather forcibly, the inner laminated body 5C of the heat insulating material 2 is protected from damage by the outer inorganic fiber board 6.

28. 发明专利

JPH07156974A HEAT-INSULATING CONTAINER WITH VARIABLE HEAT-INSULATING CAPACITY 失效
公开(公告)号：JPH07156974A
公开(公告)日：1995-06-20
申请号：JP34053793
申请日：1993-12-07
申请人： KUBOTA KK
发明人： AOKI MASAYOSHI , SATO MIKIO
IPC分类号： B65D81/38 , F16L59/06
摘要： PURPOSE:To obtain a heat-insulating container with variable heat-insulating capacity that executes thermal insulation efficiently until the temperature reaches a target point and automatically decreases the heat-insulating capacity after the temperature passes the target point and keeps the target temperature for storage. CONSTITUTION:In a vacuum heat-insulating container 1 with walls surrounding the container constructed in a double-wall 1A and filled with inorganic filling agent while being vacuated, the double-wall 1A is filled, together with the inorganic filling agent, with a necessary quantity of substance that vaporizes or liquefies at the temperature above the specified point, and is vacuated.

29. 发明专利

JPH07112773A VACUUM HEAT INSULATING CONTAINER AND PRODUCTION THEREOF 失效
公开(公告)号：JPH07112773A
公开(公告)日：1995-05-02
申请号：JP25269093
申请日：1993-10-08
申请人： KUBOTA KK
发明人： AOKI MASAYOSHI , SATO MIKIO , YAMAJI TADAO
IPC分类号： B65D81/38
摘要： PURPOSE:To reduce the total welding length and make an automatic welding possible by a method wherein the welding work of a connecting part at the corner part of an inner container of a vacuum heat insulating container is eliminated to provided a joining structure for making easy a joint and welding between the connecting part and an outer container. CONSTITUTION:A press molding 21 consisting integrally of a connecting part 22 and a bottom part 23 of an inner container is formed by press. At this time, a flange part 26 is formed at the upper part of the connecting part 22 to make a joint with the upper part of an outer container and is provided at its end with a tapering part 27 engageable against the inner upper end part of the outer container and the tapering part 27 of the connecting part 22 is so shaped as to conform the connecting part 22 with the peripheral length of the outer container, when the tapering part 27 is forced into the inner upper end part of the outer container. The press molding 21 is cut into the upper connecting part 22 and the lower bottom part 23 and a body part 29 of the inner container formed with a separately controlled peripheral length is added therebetween to complete the inner container 30. This inner container 30 is placed into the outer container and the tapering part 27 at the end of the connecting part 22 is forced into and welded to the inner upper end of the outer container.

30. 发明专利

JPH07103391A VACUUM FORMING METHOD FOR VACUUM INSULATING WALL 失效
公开(公告)号：JPH07103391A
公开(公告)日：1995-04-18
申请号：JP27500193
申请日：1993-10-05
申请人： KUBOTA KK
发明人： YAMAJI TADAO , AOKI MASAYOSHI , SATO MIKIO
IPC分类号： F16L59/04 , F16L59/06 , F27D1/00
摘要： PURPOSE:To promote gasification of an organic binder and make exclusion of gas impeded for the achievement of degree of vacuum smooth so as to facilitate the manufacture of a heat insulating vessel by supplying air or oxygen using an air supply pipe when organic gas in a double wall is excluded. CONSTITUTION:In manufacture of a vacuum insulating wall where an inorganic fiber heat insulating mat 1 molded and hardened like a mat by organic binder is stored in a double wall 2, the double wall 2 is heated to gasify the organic binder, and the inside of the double wall is evacuated and sealed air-tightly after the gas is excluded, an air supply pipe 4 is inserted into one air vent hole 3 provided in the double wall 2, and its end 4A is led to the innermost part of the double wall 2. Oxygen or air is supplied from the air supply pipe 4 when the double wall 2 is heated to gasify the organic binder. The inside of the double wall 2 is evacuated from the air vent hole 3, after the generated gas is excluded from the inside, and when the inside reaches a predetermined degree of vacuum, the air vent hole 3 is sealed air-tightly with the air supply pipe 4 left as it is.

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