KR850002790A - 흑연입자를 사용한 몸체의 압밀방법 - Google Patents

흑연입자를 사용한 몸체의 압밀방법 Download PDF

Info

Publication number
KR850002790A
KR850002790A KR1019840005913A KR840005913A KR850002790A KR 850002790 A KR850002790 A KR 850002790A KR 1019840005913 A KR1019840005913 A KR 1019840005913A KR 840005913 A KR840005913 A KR 840005913A KR 850002790 A KR850002790 A KR 850002790A
Authority
KR
South Korea
Prior art keywords
particles
bed
consolidated
flowable
carbonaceous
Prior art date
Application number
KR1019840005913A
Other languages
English (en)
Other versions
KR890004602B1 (ko
Inventor
피. 리치티(외 1) 웨인
Original Assignee
메발스 리미티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 메발스 리미티드 filed Critical 메발스 리미티드
Publication of KR850002790A publication Critical patent/KR850002790A/ko
Application granted granted Critical
Publication of KR890004602B1 publication Critical patent/KR890004602B1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

내용 없음

Description

흑연입자를 사용한 몸체의 압밀방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 방법단계를 보인 흐름도. 제2도는 본 발명의 압밀단계를 보인 단면도. 제3도는 구형이 아닌 알루미나입자의 베드에서 압밀된 제품을 보인 평면도.

Claims (19)

  1. 압분가능한 분말상, 소겸상, 섬유상, 해면상 또는 다르 형태의 물체에서 금속, 금속 및 세라믹을 압밀하는 방법에 있어서, 이 방법이 유동가능하고 탄성적으로 압축가능한 탄소질 입자를 포함하는 유동성입자의 베드를 형성하고, 이 베드내에 압밀될 물체를 위치하게한 다음 베드를 가압하여 압력이 상기 입자를 통하여 압밀될 물체에 전달되므로서 증가된 밀도의 요구된 형태로 압분되게 함을 특징으로 하는 흑연입자를 사용한 물체의 압밀방법.
  2. 청구범의 제1항에 있어서, 탄소입자가 탄성적으로 압축가능한 비이드로 구성된 바의 방법.
  3. 청구범의 제2항에 있어서, 상기 비드가 외향돌출된 마디와 표면균열을 갖는 바의 방법.
  4. 청구범의 제1항에 있어서, 상기 입자가 구상이며 흑연으로 구성된 바의 방법.
  5. 청구범의 제1항에 있어서, 베드내의 압밀된 물체를 위치시키는 단계가 상승된 온도에서 수행되는 바의 방법.
  6. 청구범의 제1항에 있어서, 압분전 베드내의 상기 몸체의 온도가 약 1000°F-4000°F인 바의 방법.
  7. 청구범의 제1항에 있어서, 상기 압밀될 물체가 상기 입자로 둘러 싸이도록 베드내의 위치하는 바의 방법.
  8. 청구범의 제1항-7항에 있어서, 압밀된 몸제에 근접하도록 입자가 가압되고 압분된 물체가 베드로부터 분리될 때에 물체에 붙어있는 입자가 이로부터 떨어져 나가는 바의 방법.
  9. 청구범의 제8항에 있어서, 서기 베드가 베드의 가압단계중의 집괴되지 않는 유동성 탄소질입자를 포함하는 바의 방법.
  10. 청구범의 제9항에 있어서, 상기 베드가 모두 흑연입자로 구성된 바의 방법.
  11. 청구범의 제1항에 있어서, 상기 압밀될 몸체가 베드내의 위치하는 자리이상에 놓이는 바의 방법.
  12. 청구범의 제11항에 있어서, 상기 압밀될 몸체가 상기 케리어 상의 금속층으로 구성되는 바의 방법.
  13. 청구범의 제12항에 있어서, 상기 금속층이 텅그스텐으로 구성된 바의 방법.
  14. 청구범의 제13항에 있어서, 상기 캐리어가 몰리브덴이고, 텅그스텐이 캐리어상에서 환상의 형태를 취하고 있는 바의 방법.
  15. 청구범의 제1항-제7항과 제9항-제14항에 있어서, 입자의 크기가 50-240메쉬인 바의 방법.
  16. 청구범의 제2항과 제10항에 있어서, 상당수의 입자가 균열된 바의 방법.
  17. 청구범의 제1항-제7항, 제9항-14항 및 16항의 방법으로 생산된 압밀물체.
  18. 청구범의 제1항-제7항에 있어서, 상기 입자가 상기 탄소질 입자와 혼합된 세라믹 입자를 포함하는 바의 방법.
  19. 청구범의 제1항-제7항에 있어서, 상기 입자가 상기 탄소질 입자와 혼합된 세라믹 입자를 포함하고 모든 입자의 크기가 50-240메쉬인 바의 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840005913A 1983-09-26 1984-09-26 흑연입자를 사용하여 물체를 단결하는 방법 KR890004602B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/535,791 US4539175A (en) 1983-09-26 1983-09-26 Method of object consolidation employing graphite particulate
US535791 1983-09-26

Publications (2)

Publication Number Publication Date
KR850002790A true KR850002790A (ko) 1985-05-20
KR890004602B1 KR890004602B1 (ko) 1989-11-20

Family

ID=24135777

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005913A KR890004602B1 (ko) 1983-09-26 1984-09-26 흑연입자를 사용하여 물체를 단결하는 방법

Country Status (9)

Country Link
US (1) US4539175A (ko)
JP (2) JPS6089502A (ko)
KR (1) KR890004602B1 (ko)
CA (1) CA1222858A (ko)
DE (1) DE3434703C2 (ko)
FR (1) FR2552352B1 (ko)
GB (1) GB2147011B (ko)
IT (1) IT1176749B (ko)
SE (1) SE460655B (ko)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640711A (en) * 1983-09-26 1987-02-03 Metals Ltd. Method of object consolidation employing graphite particulate
US4630692A (en) * 1984-07-23 1986-12-23 Cdp, Ltd. Consolidation of a drilling element from separate metallic components
US4667497A (en) * 1985-10-08 1987-05-26 Metals, Ltd. Forming of workpiece using flowable particulate
US4673549A (en) * 1986-03-06 1987-06-16 Gunes Ecer Method for preparing fully dense, near-net-shaped objects by powder metallurgy
US4847021A (en) * 1986-06-26 1989-07-11 Union Carbide Corporation Process for producing high density carbon and graphite articles
DE260217T1 (de) * 1986-09-10 1988-07-21 United Technologies Corp., Hartford, Conn., Us Formverfahren fuer kohle-kohleverbundwerkstoff.
US4704252A (en) * 1986-11-03 1987-11-03 Tocco, Inc. Isostatic hot forming of powder metal material
US4808224A (en) * 1987-09-25 1989-02-28 Ceracon, Inc. Method of consolidating FeNdB magnets
US4980340A (en) * 1988-02-22 1990-12-25 Ceracon, Inc. Method of forming superconductor
US4853178A (en) * 1988-11-17 1989-08-01 Ceracon, Inc. Electrical heating of graphite grain employed in consolidation of objects
US4933140A (en) * 1988-11-17 1990-06-12 Ceracon, Inc. Electrical heating of graphite grain employed in consolidation of objects
US5246638A (en) * 1988-12-20 1993-09-21 Superior Graphite Co. Process and apparatus for electroconsolidation
CA2005002C (en) * 1988-12-20 2003-01-28 William M. Goldberger Improved method for electroconsolidation of a preformed particulate workpiece
US5348694A (en) * 1988-12-20 1994-09-20 Superior Graphite Co. Method for electroconsolidation of a preformed particulate workpiece
US5294382A (en) * 1988-12-20 1994-03-15 Superior Graphite Co. Method for control of resistivity in electroconsolidation of a preformed particulate workpiece
US4915605A (en) * 1989-05-11 1990-04-10 Ceracon, Inc. Method of consolidation of powder aluminum and aluminum alloys
US4975414A (en) * 1989-11-13 1990-12-04 Ceracon, Inc. Rapid production of bulk shapes with improved physical and superconducting properties
US5032352A (en) * 1990-09-21 1991-07-16 Ceracon, Inc. Composite body formation of consolidated powder metal part
US5211786A (en) * 1990-12-21 1993-05-18 W. R. Grace & Co.-Conn. Use of permeable materials to improve hot pressing process
US5110542A (en) * 1991-03-04 1992-05-05 Vital Force, Inc. Rapid densification of materials
US5167889A (en) * 1991-06-10 1992-12-01 Hoechst Celanese Corp. Process for pressure sintering polymeric compositions
US5656216A (en) * 1994-08-25 1997-08-12 Sony Corporation Method for making metal oxide sputtering targets (barrier powder envelope)
US5561834A (en) * 1995-05-02 1996-10-01 General Motors Corporation Pneumatic isostatic compaction of sintered compacts
US5985207A (en) * 1995-11-16 1999-11-16 Vawter; Paul D. Method for manufacturing powder metallurgical tooling
US5623727A (en) * 1995-11-16 1997-04-22 Vawter; Paul Method for manufacturing powder metallurgical tooling
US5967248A (en) * 1997-10-14 1999-10-19 Camco International Inc. Rock bit hardmetal overlay and process of manufacture
US6060016A (en) 1998-11-11 2000-05-09 Camco International, Inc. Pneumatic isostatic forging of sintered compacts
US6123896A (en) 1999-01-29 2000-09-26 Ceracon, Inc. Texture free ballistic grade tantalum product and production method
US6135218A (en) * 1999-03-09 2000-10-24 Camco International Inc. Fixed cutter drill bits with thin, integrally formed wear and erosion resistant surfaces
US6309594B1 (en) * 1999-06-24 2001-10-30 Ceracon, Inc. Metal consolidation process employing microwave heated pressure transmitting particulate
US6461564B1 (en) 1999-11-16 2002-10-08 Morris F. Dilmore Metal consolidation process applicable to functionally gradient material (FGM) compositions of tantalum and other materials
US6355209B1 (en) 1999-11-16 2002-03-12 Ceracon, Inc. Metal consolidation process applicable to functionally gradient material (FGM) compositons of tungsten, nickel, iron, and cobalt
US6630008B1 (en) 2000-09-18 2003-10-07 Ceracon, Inc. Nanocrystalline aluminum metal matrix composites, and production methods
US8327931B2 (en) * 2009-12-08 2012-12-11 Baker Hughes Incorporated Multi-component disappearing tripping ball and method for making the same
US9101978B2 (en) * 2002-12-08 2015-08-11 Baker Hughes Incorporated Nanomatrix powder metal compact
US8403037B2 (en) * 2009-12-08 2013-03-26 Baker Hughes Incorporated Dissolvable tool and method
US9079246B2 (en) 2009-12-08 2015-07-14 Baker Hughes Incorporated Method of making a nanomatrix powder metal compact
US9109429B2 (en) * 2002-12-08 2015-08-18 Baker Hughes Incorporated Engineered powder compact composite material
US8297364B2 (en) * 2009-12-08 2012-10-30 Baker Hughes Incorporated Telescopic unit with dissolvable barrier
US9682425B2 (en) * 2009-12-08 2017-06-20 Baker Hughes Incorporated Coated metallic powder and method of making the same
US20050147520A1 (en) * 2003-12-31 2005-07-07 Guido Canzona Method for improving the ductility of high-strength nanophase alloys
US20060237236A1 (en) * 2005-04-26 2006-10-26 Harold Sreshta Composite structure having a non-planar interface and method of making same
US8821603B2 (en) * 2007-03-08 2014-09-02 Kennametal Inc. Hard compact and method for making the same
US8528633B2 (en) 2009-12-08 2013-09-10 Baker Hughes Incorporated Dissolvable tool and method
US8425651B2 (en) 2010-07-30 2013-04-23 Baker Hughes Incorporated Nanomatrix metal composite
US8573295B2 (en) 2010-11-16 2013-11-05 Baker Hughes Incorporated Plug and method of unplugging a seat
US9243475B2 (en) 2009-12-08 2016-01-26 Baker Hughes Incorporated Extruded powder metal compact
US9127515B2 (en) 2010-10-27 2015-09-08 Baker Hughes Incorporated Nanomatrix carbon composite
US9227243B2 (en) 2009-12-08 2016-01-05 Baker Hughes Incorporated Method of making a powder metal compact
US10240419B2 (en) 2009-12-08 2019-03-26 Baker Hughes, A Ge Company, Llc Downhole flow inhibition tool and method of unplugging a seat
US8776884B2 (en) 2010-08-09 2014-07-15 Baker Hughes Incorporated Formation treatment system and method
US9090955B2 (en) 2010-10-27 2015-07-28 Baker Hughes Incorporated Nanomatrix powder metal composite
US8631876B2 (en) 2011-04-28 2014-01-21 Baker Hughes Incorporated Method of making and using a functionally gradient composite tool
US9080098B2 (en) 2011-04-28 2015-07-14 Baker Hughes Incorporated Functionally gradient composite article
US9139928B2 (en) 2011-06-17 2015-09-22 Baker Hughes Incorporated Corrodible downhole article and method of removing the article from downhole environment
US9707739B2 (en) 2011-07-22 2017-07-18 Baker Hughes Incorporated Intermetallic metallic composite, method of manufacture thereof and articles comprising the same
US8783365B2 (en) 2011-07-28 2014-07-22 Baker Hughes Incorporated Selective hydraulic fracturing tool and method thereof
US9643250B2 (en) 2011-07-29 2017-05-09 Baker Hughes Incorporated Method of controlling the corrosion rate of alloy particles, alloy particle with controlled corrosion rate, and articles comprising the particle
US9833838B2 (en) 2011-07-29 2017-12-05 Baker Hughes, A Ge Company, Llc Method of controlling the corrosion rate of alloy particles, alloy particle with controlled corrosion rate, and articles comprising the particle
US9057242B2 (en) 2011-08-05 2015-06-16 Baker Hughes Incorporated Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate
US9033055B2 (en) 2011-08-17 2015-05-19 Baker Hughes Incorporated Selectively degradable passage restriction and method
US9856547B2 (en) 2011-08-30 2018-01-02 Bakers Hughes, A Ge Company, Llc Nanostructured powder metal compact
US9090956B2 (en) 2011-08-30 2015-07-28 Baker Hughes Incorporated Aluminum alloy powder metal compact
US9109269B2 (en) 2011-08-30 2015-08-18 Baker Hughes Incorporated Magnesium alloy powder metal compact
US9643144B2 (en) 2011-09-02 2017-05-09 Baker Hughes Incorporated Method to generate and disperse nanostructures in a composite material
US9187990B2 (en) 2011-09-03 2015-11-17 Baker Hughes Incorporated Method of using a degradable shaped charge and perforating gun system
US9133695B2 (en) 2011-09-03 2015-09-15 Baker Hughes Incorporated Degradable shaped charge and perforating gun system
US9347119B2 (en) 2011-09-03 2016-05-24 Baker Hughes Incorporated Degradable high shock impedance material
US9284812B2 (en) 2011-11-21 2016-03-15 Baker Hughes Incorporated System for increasing swelling efficiency
US9010416B2 (en) 2012-01-25 2015-04-21 Baker Hughes Incorporated Tubular anchoring system and a seat for use in the same
US9068428B2 (en) 2012-02-13 2015-06-30 Baker Hughes Incorporated Selectively corrodible downhole article and method of use
US9605508B2 (en) 2012-05-08 2017-03-28 Baker Hughes Incorporated Disintegrable and conformable metallic seal, and method of making the same
US9816339B2 (en) 2013-09-03 2017-11-14 Baker Hughes, A Ge Company, Llc Plug reception assembly and method of reducing restriction in a borehole
US11167343B2 (en) 2014-02-21 2021-11-09 Terves, Llc Galvanically-active in situ formed particles for controlled rate dissolving tools
US10865465B2 (en) 2017-07-27 2020-12-15 Terves, Llc Degradable metal matrix composite
CA2936851A1 (en) 2014-02-21 2015-08-27 Terves, Inc. Fluid activated disintegrating metal system
US9910026B2 (en) 2015-01-21 2018-03-06 Baker Hughes, A Ge Company, Llc High temperature tracers for downhole detection of produced water
US10378303B2 (en) 2015-03-05 2019-08-13 Baker Hughes, A Ge Company, Llc Downhole tool and method of forming the same
US10221637B2 (en) 2015-08-11 2019-03-05 Baker Hughes, A Ge Company, Llc Methods of manufacturing dissolvable tools via liquid-solid state molding
US10016810B2 (en) 2015-12-14 2018-07-10 Baker Hughes, A Ge Company, Llc Methods of manufacturing degradable tools using a galvanic carrier and tools manufactured thereof
US11951548B2 (en) * 2019-06-20 2024-04-09 Hiptec As Method for manufacturing a metal based component comprising a protrusion

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356496A (en) * 1966-02-25 1967-12-05 Robert W Hailey Method of producing high density metallic products
US3689259A (en) * 1969-06-02 1972-09-05 Wheeling Pittsburgh Steel Corp Method of consolidating metallic bodies
DE2035045A1 (en) * 1970-07-15 1972-01-20 Fitzer E Sintering of hard powders - under pressure isostatically applied via pulverulent packing
JPS51132207A (en) * 1975-05-14 1976-11-17 Tokyo Shibaura Electric Co Manufacture of high density and high strength sintering articles
US4142888A (en) * 1976-06-03 1979-03-06 Kelsey-Hayes Company Container for hot consolidating powder
US4227927A (en) * 1978-04-05 1980-10-14 Cyclops Corporation, Universal-Cyclops Specialty Steel Division Powder metallurgy
US4414028A (en) * 1979-04-11 1983-11-08 Inoue-Japax Research Incorporated Method of and apparatus for sintering a mass of particles with a powdery mold
DE2945513C2 (de) * 1979-11-10 1987-12-23 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Verfahren zur Herstellung von Formkörpern aus Siliziumkeramik durch Heißisostatpressen
US4446100A (en) * 1979-12-11 1984-05-01 Asea Ab Method of manufacturing an object of metallic or ceramic material
SE426790B (sv) * 1980-04-25 1983-02-14 Asea Ab Forfarande for isostatisk pressning av pulver i en kapsel
US4431605A (en) * 1982-05-06 1984-02-14 Roy C. Lueth Metallurgical process
SE460461B (sv) * 1983-02-23 1989-10-16 Metal Alloys Inc Foerfarande foer varm isostatisk pressning av en metallisk eller keramisk kropp i en baedd av tryckoeverfoerande partiklar

Also Published As

Publication number Publication date
DE3434703A1 (de) 1985-04-11
JPH0127121B2 (ko) 1989-05-26
IT1176749B (it) 1987-08-18
FR2552352B1 (fr) 1987-07-17
US4539175A (en) 1985-09-03
IT8422755A1 (it) 1986-03-21
SE8404748D0 (sv) 1984-09-21
JPH0443961B2 (ko) 1992-07-20
IT8422755A0 (it) 1984-09-21
CA1222858A (en) 1987-06-16
GB2147011A (en) 1985-05-01
GB8424336D0 (en) 1984-10-31
JPS6089502A (ja) 1985-05-20
FR2552352A1 (fr) 1985-03-29
KR890004602B1 (ko) 1989-11-20
DE3434703C2 (de) 1994-02-24
SE460655B (sv) 1989-11-06
GB2147011B (en) 1986-07-30
SE8404748L (sv) 1985-03-27
JPH03180403A (ja) 1991-08-06

Similar Documents

Publication Publication Date Title
KR850002790A (ko) 흑연입자를 사용한 몸체의 압밀방법
SE9601038D0 (sv) Dispersion aoooyed hard metal composites and method for producing same
US2553714A (en) Process for making, and an article of, porous cemented carbide
JPS6077171A (ja) 反応結合した炭化ケイ素複合体
US2251454A (en) Preparing and molding material
GB2011879A (en) Sinterable Powders
JP2540510B2 (ja) 耐摩耗部材およびその製造方法
Tracey Pressing and sintering of nickel powders
EP0294198A3 (en) A method of producing abrasive particle-containing bodies
SE8400868L (sv) Forfarande for konsolidering av en metall- eller keramkropp
BR0314079B1 (pt) processo para preparação de compactos não sinterizados de alta densidade.
TW198003B (ko)
GB1347391A (en) Composite moulded carbonaceous bodies
RU2000105299A (ru) Способ герметизации изделий из углеграфитовых материалов
Milosevski et al. The Changes of Electronic Properties of Copper During the Consolidation in Hydrogen Atmosphere
Fischmeister et al. A Model for the Compaction of Ductile Spherical Powders
US2395408A (en) Method of making graphite molds
JPS6051675A (ja) 多孔質成形体の製造方法
Oslin Consolidation of Bodies Capable of Compaction
GB865282A (en) Method for attaching a composition metal-ceramic material to a backing member
Oudin et al. The Effect of Ultrasonic Vibrations on Compacting and on Sintering of Metal Powders
Kenton Particle Enhanced Electroless Coatings
GB646522A (en) Improvements in and relating to methods of making porous cemented carbide
RU3152U1 (ru) Уплотнительная манжета
JPS57158351A (en) Composite sintered aluminum material and its manufacture

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19941108

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee