CA982063A - Smooth high tolerance porous tube and process for making - Google Patents

Smooth high tolerance porous tube and process for making

Info

Publication number
CA982063A
CA982063A CA115,249A CA115249A CA982063A CA 982063 A CA982063 A CA 982063A CA 115249 A CA115249 A CA 115249A CA 982063 A CA982063 A CA 982063A
Authority
CA
Canada
Prior art keywords
making
porous tube
high tolerance
smooth high
smooth
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA115,249A
Other versions
CA115249S (en
Inventor
Frederick J. Sorgenfrei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA982063A publication Critical patent/CA982063A/en
Expired legal-status Critical Current

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
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • B22F3/1109—Inhomogenous pore distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027—Metallic material
    • B01D39/2031—Metallic material the material being particulate
    • B01D39/2034—Metallic material the material being particulate sintered or bonded by inorganic agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/14—Making tubes from double flat material
    • 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
    • B22F3/17—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
    • B22F3/172—Continuous compaction, e.g. rotary hammering
    • 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
    • B22F3/24—After-treatment of workpieces or articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Filtering Materials (AREA)
CA115,249A 1969-08-28 1971-06-09 Smooth high tolerance porous tube and process for making Expired CA982063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85397269A 1969-08-28 1969-08-28

Publications (1)

Publication Number Publication Date
CA982063A true CA982063A (en) 1976-01-20

Family

ID=25317394

Family Applications (1)

Application Number Title Priority Date Filing Date
CA115,249A Expired CA982063A (en) 1969-08-28 1971-06-09 Smooth high tolerance porous tube and process for making

Country Status (5)

Country Link
US (1) US3626744A (en)
CA (1) CA982063A (en)
DE (1) DE2134562A1 (en)
FR (1) FR2146097B1 (en)
GB (1) GB1348809A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828930A (en) * 1985-02-01 1989-05-09 Pall Corporation Seamless porous metal article and method of making
ZA86448B (en) * 1985-02-01 1986-11-26 Pall Corp Seamless porous metal article and method of making
US6596100B2 (en) 2000-10-03 2003-07-22 Ngk Insulators, Ltd. Metal-made seamless pipe and process for production thereof
CN1151539C (en) * 2000-10-03 2004-05-26 日本碍子株式会社 Seamless metal pipe and its production method
DE10152581A1 (en) * 2001-10-24 2003-05-08 Mann & Hummel Filter Pipe for conducting air or other gaseous media, in particular, for motor vehicles is made of a sintered material
CN102836997A (en) * 2011-06-22 2012-12-26 烟台龙源电力技术股份有限公司 Metal powder sintered porous body and preparation method thereof
CN103861888B (en) * 2014-03-20 2015-11-18 北京科技大学 A kind of preparation method of high-performance copper/composite ti pipe

Also Published As

Publication number Publication date
FR2146097A1 (en) 1973-03-02
GB1348809A (en) 1974-03-27
FR2146097B1 (en) 1975-07-11
US3626744A (en) 1971-12-14
DE2134562A1 (en) 1973-01-25

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