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1. 发明专利

JP2002053229A VOLUMETRIC FEEDER FOR POWDER 失效
公开(公告)号：JP2002053229A
公开(公告)日：2002-02-19
申请号：JP2000239474
申请日：2000-08-08
申请人： KURIMOTO LTD
发明人： HANANO KAZUHITO , SAITO MASAHIKO , KAJIWARA YOSHIHISA
IPC分类号： B65G53/36 , B05B7/14 , B65G53/46 , B65G53/66 , B65G65/40
摘要： PROBLEM TO BE SOLVED: To solve such a problem that the volumetric feed of powder in the powder coating or thermal spraying keeps the unstable powder discharge quantity in the beginning of the coating or the powder discharge quantity of very small quantity. SOLUTION: In this powder feeder comprising a powder container 1 and an injector 2 communicated therewith via a powder feeder port 11 in a lower bottom part, the opening sectional area of the powder feed port 11 can be freely controlled, force-fed air suitable for the quantity of the dropped powder is collectively controlled, and the desired discharge can be fed over an extensive range in a constantly consistent manner. Mores specifically, the opening sectional area is preferably and freely controlled by an annular space in a valve 3.

2. 发明专利

JP2002256207A POWDER COATING COMPOSITION FOR INNER SURFACE OF WATER PIPE 失效
公开(公告)号：JP2002256207A
公开(公告)日：2002-09-11
申请号：JP2001056900
申请日：2001-03-01
申请人： KURIMOTO LTD , DAINIPPON INK & CHEMICALS , DAINIPPON TORYO KK
发明人： DEGUCHI TAKAAKI , SAITO MASAHIKO , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI , MIYAZAWA MASASHI , YAMAZAKI TETSUYA , MASUDA SHO , IKEDA TOSHIKAZU , NAKAI SUSUMU
IPC分类号： F16L58/04 , C09D5/03 , C09D163/00
摘要： PROBLEM TO BE SOLVED: To provide a powder coating composition not containing chlorine and hardly causing the deterioration of coating properties with time. SOLUTION: This powder coating composition for the inner surface of a water pipe is characterized in that the composition comprises 100 pts.wt. epoxy resin having 500-2,000 g/eq. epoxy equivalent, a 6-20C alkyldicarboxylic anhydride as a curing agent in an amount of 0.7-1.3 times as much as the glycidyl equivalent of the epoxy resin expressed in terms of the equivalent, 0.1-9.5 pts.wt. quaternary ammonium halide, and 10-130 pts.wt. pigment component.

3. 发明专利

JP2002256206A POWDER COATING COMPOSITION FOR INNER SURFACE OF WATER PIPE 失效
公开(公告)号：JP2002256206A
公开(公告)日：2002-09-11
申请号：JP2001056899
申请日：2001-03-01
申请人： KURIMOTO LTD , DAINIPPON INK & CHEMICALS , DAINIPPON TORYO KK
发明人： DEGUCHI TAKAAKI , SAITO MASAHIKO , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI , MIYAZAWA MASASHI , YAMAZAKI TETSUYA , MASUDA SHO , IKEDA TOSHIKAZU , NAKAI SUSUMU
IPC分类号： F16L58/10 , C09D5/03 , C09D163/00 , F16L9/04
摘要： PROBLEM TO BE SOLVED: To provide a powder coating composition not containing chlorine and hardly deteriorating of coating properties with time. SOLUTION: This powder coating composition for the inner surface of a water pipe is characterized in that the composition comprises 100 pts.wt. epoxy resin having 500-2,000 g/eq. epoxy equivalent, a 6-20C aliphatic dicarboxylic anhydride as a curing agent in an amount of 0.7-1.3 times as much as the glycidyl equivalent of the epoxy resin expressed in terms of the equivalent, 0.1-9.5 pts.wt. triphenylphosphine or phosphorus-based compound, and 10-130 pts.wt. pigment component.

4. 发明专利

JP2001279472A METHOD FOR INHIBITING CORROSION IN CAST IRON TUBE 失效
公开(公告)号：JP2001279472A
公开(公告)日：2001-10-10
申请号：JP2000093302
申请日：2000-03-30
申请人： DAINIPPON TORYO KK , KURIMOTO LTD
发明人： SAITO MASAHIKO , DEGUCHI TAKAAKI , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , YAMADA YOSHIO , TAME SHINICHIRO
IPC分类号： F16L58/04 , B05D7/14 , B05D7/24 , C09D5/02 , C09D5/08 , C09D133/06 , C09D163/00 , C23C4/08 , C23C26/00 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a method for inhibiting corrosion in a cast iron tube using a coating material capable of coating even on white rust generated in case of temporarily storage in air and on white rust generated in steam curing. SOLUTION: (1) The outside of a cast iron tube is heat sprayed with zinc, a zinc aluminum prealloy or a zinc aluminum alloy to form a coating layer, (2) the outside of the coated tube is coated with two portion type aqueous epoxy emulsion coating material with a solid content of >=5 wt.%, composed of the epoxy resin having an epoxy equivalent of 475 to 1,800 and an amine curing agent having an active hydrogen equivalent (solid content) of 160 to 600 to form an epoxy resin coating, and (3) the surface of the epoxy resin coating is further coated with an acrylic emulsion coating material with a solid content of >=15 wt.% to form an acrylic resin coating.

5. 发明专利

JP2005342717A Method for preventing corrosion of cast iron pipe 有权
标题翻译：防止铸钢管腐蚀的方法
公开(公告)号：JP2005342717A
公开(公告)日：2005-12-15
申请号：JP2005178068
申请日：2005-06-17
申请人： Dainippon Toryo Co Ltd , Kurimoto Ltd , 大日本塗料株式会社 , 株式会社栗本鐵工所
发明人： SAITO MASAHIKO , DEGUCHI TAKAAKI , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , YAMADA YOSHIO , TAME SHINICHIRO
IPC分类号： F16L58/08 , B05D5/00 , B05D7/14 , C23C4/08 , C23C28/00 , F16L58/10
CPC分类号： C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a method for preventing corrosion of a cast iron pipe by using a coating material which can be coated on the surface of white rust produced in outdoor temporary placing and on white rust produced in steam curing.
SOLUTION: This method for preventing corrosion of cast iron pipe comprises the steps of (1) thermally spraying zinc, zinc-aluminum pseudoalloy, or zinc-aluminum alloy to form a thermal spray coating layer onto the outer surface of a cast iron pipe, (2) coating an aqueous two-component epoxy emulsion coating material having a solid content of not less than 5% by weight and comprising a first component of an epoxy resin having an epoxy equivalent of 475 to 1,800 and a second component of an amine curing agent having an active hydrogen equivalent (on a solid basis) of 160 to 600 onto the outer surface of the cast iron pipe to form an epoxy resin film, and (3) coating an acrylic emulsion coating material having a solid content of not less than 15% by weight on the epoxy resin film to form an acrylic resin film.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过使用可涂覆在户外临时放置产生的白锈表面上的涂层材料和在蒸汽固化中产生的白锈来防止铸铁管的腐蚀的方法。解决方案：这种防止铸铁管腐蚀的方法包括以下步骤：（1）热喷锌，锌铝合金或锌铝合金，以在铸铁外表面上形成热喷涂层管，（2）涂布固体含量不小于5重量％的水性双组分环氧乳液涂料，其包含环氧当量为475至1,800的环氧树脂的第一组分和第二组分具有160至600的活性氢当量（基于固体）的胺固化剂在铸铁管的外表面上形成环氧树脂膜，和（3）涂覆固体含量不高的丙烯酸乳液涂料在环氧树脂膜上小于15重量％，形成丙烯酸树脂膜。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004043720A Powder coating composition for pipe 有权
公开(公告)号：JP2004043720A
公开(公告)日：2004-02-12
申请号：JP2002205707
申请日：2002-07-15
申请人： Dainippon Ink & Chem Inc , Kurimoto Ltd , 大日本インキ化学工業株式会社 , 株式会社栗本鐵工所
发明人： DEGUCHI TAKAAKI , KAJIWARA YOSHIHISA , SAITO MASAHIKO , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI , MIYAZAWA MASASHI , KAMEYAMA YASUSHI , YAMAZAKI TETSUYA
IPC分类号： C09D163/00 , C09D5/03
摘要： PROBLEM TO BE SOLVED: To provide a powder coating composition for pipe, composed of an epoxy resin, enabling the baking of the resin to a metallic pipe, etc., at a temperature lower than the baking temperature of the conventional composition and having excellent curability, coating film property and storage stability.
SOLUTION: The powder coating composition for pipe contains (A) a solid epoxy resin, (B) a curing agent and (C) a filler as essential components. The solid epoxy resin (A) is derived from (a1) bisphenol F, (a2) a bivalent phenol expressed by general formula (R
1 to R
4 are each H or a 1-9C alkyl), and an epihalohydrin.
COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2001279420A OUTER SIDE COATED TUBE 失效
公开(公告)号：JP2001279420A
公开(公告)日：2001-10-10
申请号：JP2000136430
申请日：2000-03-30
申请人： KURIMOTO LTD
发明人： MICHIURA YOSHISADA , SAITO MASAHIKO , KAJIWARA YOSHIHISA
IPC分类号： F16L58/08 , C22C18/04 , C23C4/08 , F16L9/02
摘要： PROBLEM TO BE SOLVED: To provide an outer side coated tube capable of securing a sufficient corrosion durability even in the severe corrosive environment. SOLUTION: The outer side of a tube made of cast iron or steel is coated with a film having a composition containing 10 to 40% Al and 1 to 7% Mg by mass, and the residue substantially Zn. The adding of magnesium improves its corrosion resistance more than that of the conventional Zn-Al series film, so that the corrosion durability of the outer side coated tube can be improved.

8. 发明专利

JP2001276688A PIPE OUTSIDE SURFACE COATING DEVICE 失效
公开(公告)号：JP2001276688A
公开(公告)日：2001-10-09
申请号：JP2000097535
申请日：2000-03-31
申请人： KURIMOTO LTD
发明人： KAJIWARA YOSHIHISA , SAITO MASAHIKO , MICHIURA YOSHISADA
IPC分类号： B05B15/04 , B05B13/02 , B05C11/10 , B05C15/00 , B05D1/02 , B05D7/14
摘要： PROBLEM TO BE SOLVED: To provide a pipe outside surface coating device capable of easily and efficiently recovering and recycling excess coating material with a simple structure. SOLUTION: Excess coating material is collected in a receiving parts 12 to be recovered and recycled with the downward rotational movement of the receiving part 12 after the coating is finished by providing a cover 3, which covers a horizontally supported cast iron pipe 1 from the upper side, and attaching the trough like receiving part 12, which covers the lower side of the tightly closed space 2 formed between the cover 3 and the outer peripheral surface of the cast iron pipe and receives the coating material sprayed from a coating gun 4, rotationally movable to the lower end of a side wall part 10 vertically hung from the left and right both sides of a ceiling part 9.

9. 发明专利

JP2003286559A Corrosion prevention coating on ferrous substrate and corrosion prevention method 有权
标题翻译：腐蚀性防腐涂料和腐蚀防治方法
公开(公告)号：JP2003286559A
公开(公告)日：2003-10-10
申请号：JP2002092907
申请日：2002-03-28
申请人： Kurimoto Ltd , 株式会社栗本鐵工所
发明人： KAJIWARA YOSHIHISA , SAITO MASAHIKO , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI
IPC分类号： C23C4/08 , C23C4/04 , C23F13/00
摘要： PROBLEM TO BE SOLVED: To provide a more perfect coating for preventing corrosion on the surface of a ferrous substrate. SOLUTION: This corrosion prevention coating comprises the first corrosion prevention layer consisting of Zn, a Zn-Al quasi-alloy, or a Zn-Al alloy formed on the surface of the substrate with thermal spraying, and the second corrosion prevention layer consisting of Al+Al 2 O 3 or an Al alloy + Al 2 O 3 , which is formed with thermal spraying and adheres to the first corrosion prevention layer. Then, the coating hardly causes such corrosion as to initiate from the second layer, because of having extremely high hardness due to the second layer, having an excellent impact resistance due to the whole composite coating, and hence rarely causing surface damages, even if the passivity on the surface is broken; does not cause corrosion in the ferrous substrate due to a sacrificial anode action of the inner layer; and revives the passivity in the broken part during the action by self-restoring. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种更完美的涂层，用于防止铁基底表面的腐蚀。解决方案：该防腐蚀涂层包括由热喷涂形成在基材表面上的Zn，Zn-Al准合金或Zn-Al合金构成的第一防腐层，第二防腐层由Al + Al 2 3 或由Al合金+ Al 2 SBO 3组成的Al合金+ 热喷涂并粘附到第一防腐层。然后，由于由于第二层而具有极高的硬度，因此整个复合涂层具有优异的耐冲击性，因此很少引起表面损伤，所以涂层几乎不引起从第二层引发的腐蚀，因此即使被动的表面被打破了; 由于内层的牺牲阳极作用，不会在铁基材中引起腐蚀; 并在自我恢复的行动中恢复被破坏的被动。版权所有（C）2004，JPO

10. 发明专利

JP2003284979A Apparatus for recovering coating material in powder coating 审中-公开
标题翻译：用于在粉末涂料中回收涂料的装置
公开(公告)号：JP2003284979A
公开(公告)日：2003-10-07
申请号：JP2002092264
申请日：2002-03-28
申请人： Kurimoto Ltd , 株式会社栗本鐵工所
发明人： DEGUCHI TAKAAKI , KAJIWARA YOSHIHISA , SAITO MASAHIKO , MICHIURA YOSHISADA
IPC分类号： B05B15/04 , B05B5/08 , B05B15/12 , B05D3/00 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for recovering a powder coating material which sucks and recovers a floating part of the powder coating material sprayed on a pipe body heated and rotated in a coating booth before heat curing.
SOLUTION: In the apparatus for recovering the coating material in powder coating in which the pipe body 16 heated and rotated is relatively charged in the coating booth 10, the coating booth is formed from a circulating endless filter belt 11 and a suction mouth 17 is arranged on the back face of the endless filter belt 11. Concretely, the endless filter belt 11 circulates over the top face, the depth face and the bottom face of the pipe body 16, and a port opening 19 for taking the pipe body 16 in and out is provided in this side, and the port opening 19 is adjustable in accordance with the size of the pipe body 16.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种用于回收粉末涂料的装置，该粉末涂料在热固化之前吸收和回收喷涂在涂覆室中加热和旋转的管体上的粉末涂料的浮动部分。解决方案：在用于回收在涂层室10中相对地加热和旋转的管体16的粉末涂料中的涂料的回收装置中，涂覆室由循环的环形过滤带11和吸嘴 17设置在环形过滤带11的背面。具体地，环形过滤带11在管体16的顶面，深度面和底面上循环，并且用于吸取管体 16的入口和出口设置在该侧，并且端口19可根据管体16的尺寸进行调节。版权所有（C）2004，JPO

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