DE2208241C3 - Verfahren zum Verfestigen keramischer Gegenstände - Google Patents

Verfahren zum Verfestigen keramischer Gegenstände

Info

Publication number
DE2208241C3
DE2208241C3 DE2208241A DE2208241A DE2208241C3 DE 2208241 C3 DE2208241 C3 DE 2208241C3 DE 2208241 A DE2208241 A DE 2208241A DE 2208241 A DE2208241 A DE 2208241A DE 2208241 C3 DE2208241 C3 DE 2208241C3
Authority
DE
Germany
Prior art keywords
cores
organic compound
impregnated
strength
temperature
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
DE2208241A
Other languages
German (de)
English (en)
Other versions
DE2208241B2 (de
DE2208241A1 (de
Inventor
Robert A. Chesterland Ohio Horton (V.St.A.)
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.)
Precision Metalsmiths Inc Cleveland Ohio (vsta)
Original Assignee
Precision Metalsmiths Inc Cleveland Ohio (vsta)
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 Precision Metalsmiths Inc Cleveland Ohio (vsta) filed Critical Precision Metalsmiths Inc Cleveland Ohio (vsta)
Publication of DE2208241A1 publication Critical patent/DE2208241A1/de
Publication of DE2208241B2 publication Critical patent/DE2208241B2/de
Application granted granted Critical
Publication of DE2208241C3 publication Critical patent/DE2208241C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C3/00Selection of compositions for coating the surfaces of moulds, cores, or patterns
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/82Coating or impregnation with organic materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Mold Materials And Core Materials (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
DE2208241A 1971-02-22 1972-02-22 Verfahren zum Verfestigen keramischer Gegenstände Expired DE2208241C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11775171A 1971-02-22 1971-02-22

Publications (3)

Publication Number Publication Date
DE2208241A1 DE2208241A1 (de) 1972-09-14
DE2208241B2 DE2208241B2 (de) 1973-12-13
DE2208241C3 true DE2208241C3 (de) 1974-07-11

Family

ID=22374625

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2208241A Expired DE2208241C3 (de) 1971-02-22 1972-02-22 Verfahren zum Verfestigen keramischer Gegenstände

Country Status (8)

Country Link
US (1) US3688832A (enExample)
JP (1) JPS528843B1 (enExample)
CA (1) CA962033A (enExample)
CH (1) CH589493A5 (enExample)
DE (1) DE2208241C3 (enExample)
FR (1) FR2126240B1 (enExample)
GB (1) GB1337706A (enExample)
NL (1) NL7202291A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5460854A (en) * 1992-01-16 1995-10-24 Certech Incorporated Impregnated ceramic core and method of making same
FR2711082B1 (fr) * 1993-10-13 1995-12-01 Snecma Procédé de fabrication de noyaux céramiques pour fonderie.
US6316047B1 (en) 1995-06-09 2001-11-13 Ford Global Technologies, Inc. Method for applying dry powder refractory coating to sand cores
JPH10100320A (ja) * 1996-09-30 1998-04-21 Mitsubishi Gas Chem Co Inc 複合セラミックス板およびその製造法
US6808010B2 (en) 2001-03-13 2004-10-26 Howmet Research Corporation Method for treating ceramic cores
US6720028B1 (en) * 2001-03-27 2004-04-13 Howmet Research Corporation Impregnated ceramic core and method of making
US6494250B1 (en) 2001-05-14 2002-12-17 Howmet Research Corporation Impregnated alumina-based core and method
US8087450B2 (en) 2007-01-29 2012-01-03 Evonik Degussa Corporation Fumed metal oxides for investment casting
IT1396481B1 (it) 2009-11-17 2012-12-14 Maprof Sas Di Renzo Moschini E C Metodo di fabbricazione di corpi cavi monolitici mediante un processo di colata o di stampaggio ad iniezione.
US20170297087A1 (en) * 2016-04-18 2017-10-19 David A. Rohrbacker Composition and method to form displacements for use in metal casting
GB201614263D0 (en) * 2016-08-22 2016-10-05 Rolls Royce Plc A method of machining a ceramic

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1805650A (en) * 1929-07-05 1931-05-19 Lucien I Yeomans Inc Process of protecting sand molds and cores
US1942583A (en) * 1932-05-21 1934-01-09 William H Walter Process of making molds
US3520711A (en) * 1966-08-22 1970-07-14 Gen Motors Corp Method of coating a permeable sand core body
US3501320A (en) * 1967-11-20 1970-03-17 Gen Motors Corp Die casting core

Also Published As

Publication number Publication date
NL7202291A (enExample) 1972-08-24
JPS528843B1 (enExample) 1977-03-11
FR2126240A1 (enExample) 1972-10-06
DE2208241B2 (de) 1973-12-13
GB1337706A (en) 1973-11-21
CH589493A5 (enExample) 1977-07-15
DE2208241A1 (de) 1972-09-14
CA962033A (en) 1975-02-04
US3688832A (en) 1972-09-05
FR2126240B1 (enExample) 1976-10-29

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee