公开(公告)号：US10173196B2

公开(公告)日：2019-01-08

申请号：US13984318

申请日：2012-02-07

Applicant: Avinash Gore ,  Bo Hu ,  Sydney Luk

Inventor： Avinash Gore ,  Bo Hu ,  Sydney Luk

IPC: B01J20/02 ,  B01D15/20 ,  B01D15/00 ,  B01J20/30 ,  B01D39/20 ,  C02F1/50 ,  C02F1/28 ,  B01J20/28 ,  C02F101/12 ,  C02F1/70 ,  C02F101/20 ,  C02F101/30 ,  C02F101/16

Abstract: The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering medium, wherein said filtering medium consists of or comprises at least one of the following: a mixture (A) containing a major part of an iron-based powder and a minor part of a silver powder, an iron-silver powder alloy (B), and an iron-based porous and permeable composite containing silver (C).

公开(公告)号：US06602315B2

公开(公告)日：2003-08-05

申请号：US09910397

申请日：2001-07-20

Applicant: William Hendrickson ,  Sydney Luk

Inventor： William Hendrickson ,  Sydney Luk

IPC: C22C105

CPC classification number: B22F1/0077 ,  B22F1/0059 ,  B22F2003/023 ,  B22F2998/00 ,  C08K3/08 ,  C08K3/22 ,  C09D191/00 ,  Y10T428/2457 ,  Y10T428/31692 ,  B22F1/0003 ,  C22C33/0207 ,  B22F1/0096

Abstract: Improved methods for coating particulate materials at low shear conditions and preferably below the melting point of the coating material are provided. In one aspect, metallurgical compositions are provided that contain a metal-based powder bound to an alloying powder or powders by way of a low melting polymer or wax binding agent, which is preferably polyethylene. The binding agent is blended with the metal-based and alloying powders at elevated temperatures preferably below the melting point of the binding agent. The bonded metallurgical composition can be used in compaction processes to manufacture compacted parts that can be sintered to impart strength.

公开(公告)号：US06280683B1

公开(公告)日：2001-08-28

申请号：US09425599

申请日：1999-10-22

Applicant: William Hendrickson ,  Sydney Luk

Inventor： William Hendrickson ,  Sydney Luk

IPC: B22K102

CPC classification number: B22F1/0077 ,  B22F1/0059 ,  B22F2003/023 ,  B22F2998/00 ,  C08K3/08 ,  C08K3/22 ,  C09D191/00 ,  Y10T428/2457 ,  Y10T428/31692 ,  B22F1/0003 ,  C22C33/0207 ,  B22F1/0096

Abstract: Improved methods for coating particulate materials at low shear conditions and preferably below the melting point of the coating material are provided. In one aspect, metallurgical compositions are provided that contain a metal-based powder bound to an alloying powder or powders by way of a low melting polymer or wax binding agent, which is preferably polyethylene. The binding agent is blended with the metal-based and alloying powders at elevated temperatures preferably below the melting point of the binding agent. The bonded metallurgical composition can be used in compaction processes to manufacture compacted parts that can be sintered to impart strength.

Abstract translation: 提供了用于在低剪切条件下涂覆颗粒材料并且优选低于涂层材料的熔点的改进方法。 一方面，提供含有通过低熔点聚合物或蜡粘合剂（其优选为聚乙烯）与合金粉末或粉末结合的金属基粉末的冶金组合物。 粘合剂在优选低于粘合剂熔点的升高的温度下与金属和合金粉末混合。 粘结冶金组合物可用于压实方法中，以制造可烧结以赋予强度的压实部件。

公开(公告)号：US5298055A

公开(公告)日：1994-03-29

申请号：US848264

申请日：1992-03-09

Applicant: Frederick J. Semel ,  Sydney Luk

Inventor： Frederick J. Semel ,  Sydney Luk

IPC: B22F1/00 ,  B22F3/02

CPC classification number: B22F1/0059

Abstract: An improved metallurgical powder composition comprising an iron-based powder and an alloying powder is provided. The composition contains a polyalkylene oxide having a number average molecular weight of at least about 7,000 as a binder. The binder of this invention permits the bonded powder composition to achieve compressibility equivalent to that of unbonded compositions and maintains resistance to dusting and segregation of the alloying powder.

Abstract translation: 提供了包含铁基粉末和合金粉末的改进的冶金粉末组合物。 组合物含有作为粘合剂的数均分子量为至少约7000的聚环氧烷。 本发明的粘合剂允许粘合粉末组合物达到与未粘合组合物相当的压缩性，并且保持耐粉化和合金粉末偏析的能力。

公开(公告)号：US5290336A

公开(公告)日：1994-03-01

申请号：US878032

申请日：1992-05-04

Applicant: Sydney Luk

Inventor： Sydney Luk

IPC: B30B11/00 ,  B22F1/00 ,  B22F3/02 ,  C10M111/04 ,  C10N20/02 ,  C10N40/20 ,  C10N50/08 ,  C22C33/02 ,  C22C29/00

CPC classification number: C10M111/04 ,  B22F1/0059 ,  B22F2003/023 ,  C10M2201/00 ,  C10M2201/041 ,  C10M2201/0413 ,  C10M2201/042 ,  C10M2201/0423 ,  C10M2201/043 ,  C10M2201/05 ,  C10M2201/053 ,  C10M2201/061 ,  C10M2201/065 ,  C10M2201/066 ,  C10M2201/10 ,  C10M2201/16 ,  C10M2201/18 ,  C10M2207/1233 ,  C10M2207/1273 ,  C10M2207/1293 ,  C10M2207/223 ,  C10M2207/282 ,  C10M2207/2825 ,  C10M2207/284 ,  C10M2207/285 ,  C10M2207/2855 ,  C10M2207/34 ,  C10M2209/08 ,  C10M2209/084 ,  C10M2209/0845 ,  C10M2209/0863 ,  C10M2209/1033 ,  C10M2209/104 ,  C10M2209/1045 ,  C10M2209/105 ,  C10M2209/1055 ,  C10M2209/1065 ,  C10M2209/107 ,  C10M2209/1075 ,  C10M2209/1085 ,  C10M2209/1095 ,  C10M2211/02 ,  C10M2223/003 ,  C10M2223/023 ,  C10M2223/04 ,  C10M2223/0405 ,  C10M2223/041 ,  C10M2223/042 ,  C10M2223/0495 ,  C10M2223/0603 ,  C10M2223/083 ,  C10M2223/103 ,  C10N2220/02 ,  C10N2240/402 ,  C10N2240/403 ,  C10N2240/404 ,  C10N2240/405 ,  C10N2240/406 ,  C10N2240/407 ,  C10N2240/408 ,  C10N2240/409

Abstract: Iron-based metallurgical powder compositions are produced by mixing iron-based powder with an improved binder/lubricant that comprises dibasic organic acid and one or more additional components such as solid polyethers, liquid polyethers, and acrylic resin. These novel binder/lubricants impart one or more enhanced green properties to the powder compositions and reduce the ejection force required to remove the compositions from molds and dies.

Abstract translation: 铁基冶金粉末组合物通过将铁基粉末与改进的粘合剂/润滑剂混合来制备，所述粘合剂/润滑剂包含二元有机酸和一种或多种另外的组分如固体聚醚，液体聚醚和丙烯酸树脂。 这些新型粘合剂/润滑剂赋予粉末组合物一种或多种增强的绿色特性并降低从模具和模具中除去组合物所需的喷射力。

公开(公告)号：US5256185A

公开(公告)日：1993-10-26

申请号：US915116

申请日：1992-07-17

Applicant: Frederick J. Semel ,  Sydney Luk

Inventor： Frederick J. Semel ,  Sydney Luk

IPC: B22F3/02 ,  B22F1/00 ,  C22C33/02

CPC classification number: C22C33/0207 ,  B22F1/0059 ,  B22F2003/023 ,  B22F2003/145 ,  B22F2998/00

Abstract: Methods for preparing metallurgical powders containing an organic lubricant are provided. The powders are prepared by wetting a dry admixture of an iron-based powder, at least one alloying powder, and a first organic lubricant with an organic binding agent that is preferably dissolved or dispersed in a solvent. After removal of the solvent, the dried powder composition is admixed with a second organic lubricant.

Abstract translation: 提供了制备含有机润滑剂的冶金粉末的方法。 通过将优选溶解或分散在溶剂中的有机粘合剂润湿铁基粉末，至少一种合金粉末和第一有机润滑剂的干混合物来制备粉末。 除去溶剂后，将干燥的粉末组合物与第二有机润滑剂混合。

公开(公告)号：US11124429B2

公开(公告)日：2021-09-21

申请号：US13810259

申请日：2011-07-14

Applicant: Avinash Gore ,  Bo Hu ,  Sydney Luk

Inventor： Avinash Gore ,  Bo Hu ,  Sydney Luk

IPC: B01D39/20 ,  B22F1/00 ,  C02F1/00 ,  B01D15/00 ,  B01J20/02 ,  B01J20/28 ,  B22F5/10 ,  C02F1/28 ,  C22C1/08 ,  C22C33/02 ,  C02F103/06

Abstract: The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering medium through a physical barrier, a chemical process or biological process, wherein said filtering medium consists of or comprises at least one of the following: a mixture (A) containing a major part of an iron-based powder and a minor part of a copper based powder, an iron-copper powder alloy (B), and an iron-based porous and permeable composite containing copper (C).

公开(公告)号：US20140034576A1

公开(公告)日：2014-02-06

申请号：US13984318

申请日：2012-02-07

Applicant: Avinash Gore ,  Bo Hu ,  Sydney Luk

Inventor： Avinash Gore ,  Bo Hu ,  Sydney Luk

IPC: B01J20/02

CPC classification number: B01J20/0229 ,  B01D15/00 ,  B01D15/20 ,  B01D39/2034 ,  B01D2239/0407 ,  B01J20/02 ,  B01J20/0203 ,  B01J20/0233 ,  B01J20/28004 ,  B01J20/2803 ,  B01J20/28057 ,  B01J20/3078 ,  B01J2220/42 ,  C02F1/281 ,  C02F1/288 ,  C02F1/505 ,  C02F1/705 ,  C02F2101/12 ,  C02F2101/163 ,  C02F2101/166 ,  C02F2101/20 ,  C02F2101/30 ,  C02F2303/04

Abstract: The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering medium, wherein said filtering medium consists of or comprises at least one of the following: a mixture (A) containing a major part of an iron-based powder and a minor part of a silver powder, an iron-silver powder alloy (B), and an iron-based porous and permeable composite containing silver (C).

Abstract translation: 本发明涉及过滤介质，其制备方法，所述过滤介质的使用以及通过所述过滤介质同时在流体中同时减少多种污染物的含量的方法，其中所述过滤介质由或包含在 以下中的至少一种：含有铁基粉末和少量银粉末的主要部分的混合物（A），铁 - 银粉末合金（B）和含有 银（C）。

公开(公告)号：US07125435B2

公开(公告)日：2006-10-24

申请号：US10280409

申请日：2002-10-25

Applicant: George Poszmik ,  Sydney Luk

Inventor： George Poszmik ,  Sydney Luk

IPC: B22F1/00 ,  B22F3/00

CPC classification number: B22F1/0062 ,  B22F1/0059 ,  B22F2003/023 ,  B22F2998/00 ,  C10M151/04 ,  C10M153/04 ,  C10M155/04 ,  C10M169/041 ,  C10M2201/053 ,  C10M2221/04 ,  C10M2225/041 ,  C10M2229/00 ,  C10N2210/08 ,  C10N2250/08 ,  C10N2260/10 ,  C10N2260/12 ,  C10N2260/14

Abstract: The present invention relates to improved metallurgical powder compositions that incorporate solid lubricants, methods for preparing and using the same, and methods of making compacted parts. The solid lubricants contain functionalized polyalkylene lubricants substituted with functional groups selected from the group consisting of a phosphate group, phosphite group, hypophosphate, hypophosphite, polyphosphate, thiophosphate, dithiophosphate, thiocarbamate, dithiocarbamate, borate, thiosulfate, sulfate group, or sulfonate group.

Abstract translation: 本发明涉及掺入固体润滑剂的改进的冶金粉末组合物，其制备和使用方法，以及制造压实部件的方法。 固体润滑剂含有由选自磷酸酯基，亚磷酸酯基，次磷酸酯，次磷酸酯，多磷酸酯，硫代磷酸酯，二硫代磷酸酯，硫代氨基甲酸酯，二硫代氨基甲酸酯，硼酸酯，硫代硫酸盐，硫酸酯基或磺酸酯基的官能团取代的官能化聚亚烷基润滑剂。

公开(公告)号：US06689188B2

公开(公告)日：2004-02-10

申请号：US10057353

申请日：2002-01-25

Applicant: Sydney Luk ,  George Poszmik

Inventor： Sydney Luk ,  George Poszmik

IPC: B22F100

CPC classification number: C10M107/34 ,  B22F1/0059 ,  B22F2003/023 ,  C08K3/08 ,  C10M2209/1033 ,  C10N2220/021 ,  C10N2230/06 ,  C08L71/02

Abstract: The present invention relates to improved metallurgical powder compositions that incorporate solid lubricants, methods for preparing and using the same, and methods of making compacted parts. Ejection properties, such as stripping pressure and sliding pressure, of compacted parts can be improved by using the solid lubricants. The solid lubricants contain polyalkylene-polyalkylene oxide block copolymer lubricants or a combination of polyalkylene-polyalkylene oxide block copolymer lubricants and at least one additional lubricant. The polyalkylene-polyalkylene oxide block copolymer lubricants include at least one block A of a linear or branched polyalkylene chain having from about 5 to about 500 carbon atoms, and at least one block B of an alkylene oxide chain having a formula —[O(CH2)r]m—, or —[(CH2)rO]m—. The polyalkylene block copolymer lubricants can have a formula represented as A-B or A-B-A.

Abstract translation: 本发明涉及掺入固体润滑剂的改进的冶金粉末组合物，其制备和使用方法，以及制造压实部件的方法。 通过使用固体润滑剂可以提高压实部件的喷射性能，如剥离压力和滑动压力。 固体润滑剂含有聚亚烷基 - 聚环氧烷嵌段共聚物润滑剂或聚亚烷基 - 聚环氧烷嵌段共聚物润滑剂和至少一种另外的润滑剂的组合。 聚亚烷基 - 聚环氧烷嵌段共聚物润滑剂包括至少一个具有约5至约500个碳原子的直链或支链聚亚烷基链的至少一个嵌段A和至少一个具有式 - [O（CH 2） ）r] m - 或 - [（CH 2）r O] m - 。 聚亚烷基嵌段共聚物润滑剂可以具有表示为A-B或A-B-A的式。