BE749539A - Composite model and method for making precision sand molds with an internal undercut. - Google Patents

Composite model and method for making precision sand molds with an internal undercut.

Info

Publication number
BE749539A
BE749539A BE749539DA BE749539A BE 749539 A BE749539 A BE 749539A BE 749539D A BE749539D A BE 749539DA BE 749539 A BE749539 A BE 749539A
Authority
BE
Belgium
Prior art keywords
sand molds
composite model
making precision
internal undercut
precision sand
Prior art date
Application number
Other languages
French (fr)
Inventor
G V Harris
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of BE749539A publication Critical patent/BE749539A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/005—Adjustable, sectional, expandable or flexible patterns
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/058—Undercut

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Devices For Molds (AREA)
BE749539D 1969-04-25 1970-04-24 Composite model and method for making precision sand molds with an internal undercut. BE749539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81917069A 1969-04-25 1969-04-25

Publications (1)

Publication Number Publication Date
BE749539A true BE749539A (en) 1970-10-26

Family

ID=25227390

Family Applications (1)

Application Number Title Priority Date Filing Date
BE749539D BE749539A (en) 1969-04-25 1970-04-24 Composite model and method for making precision sand molds with an internal undercut.

Country Status (7)

Country Link
US (1) US3570585A (en)
JP (1) JPS5013736B1 (en)
BE (1) BE749539A (en)
BR (1) BR7018466D0 (en)
CA (1) CA921674A (en)
DE (1) DE2020157A1 (en)
FR (1) FR2040236B1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1182905A (en) * 1967-11-07 1970-03-04 Volkswagenwerk Ag Production of Undercut Slots in Motor Vehicle Body Parts Made of Plastics Material.
US3857435A (en) * 1972-04-19 1974-12-31 Freeman Supply Co Process for making soluble cores
US3937267A (en) * 1974-01-03 1976-02-10 Kabushiki Kaisha Akita Method of preventing fin occurrence during metal casting
JPS51135042U (en) * 1975-04-21 1976-11-01
US4208029A (en) * 1977-04-19 1980-06-17 Caterpillar Tractor Co. Core apparatus
JPS55120844A (en) * 1979-03-12 1980-09-17 Suzuko Hatae Tool for miscellaneous use for bath detachable to support bar
DE2940171C2 (en) * 1979-10-04 1984-04-05 Goetze Ag, 5093 Burscheid Model for making casting molds
WO1981002536A1 (en) * 1980-03-13 1981-09-17 Caterpillar Tractor Co Sand core pattern and method of forming a sand mold
FR2633851B1 (en) * 1988-07-07 1991-05-17 Mancelle Fonderie MODEL PLATE FOR THE PRODUCTION OF MOLDS FOR THE MANUFACTURE BY SAND FOUNDRY OF ICE JOINTS OR SIMILAR PARTS HAVING A BUCKLE
US4938277A (en) * 1988-12-08 1990-07-03 Korver Clayton P Casting mold with expansion member for radiation plates
US5651932A (en) * 1995-04-14 1997-07-29 Butler; Byron Method for investment wax casting of golf club heads
FR2762539A1 (en) * 1997-04-24 1998-10-30 Michelin & Cie ELEMENT MOLDING A PATTERN IN A TREAD
DE10247751B4 (en) * 2002-10-13 2005-09-08 Plötz, Rolf Method and apparatus for welding head hardened rails
ES2371731B1 (en) * 2010-06-11 2012-05-28 Irumold S.L. MOLD FOR INJECTED PARTS WITH INTERNAL CONTRASALIDS.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US396506A (en) * 1889-01-22 Apparatus for molding pipes
US1769455A (en) * 1929-08-28 1930-07-01 Doehler Die Casting Co Core for undercut cup-shaped articles
US3216071A (en) * 1962-11-26 1965-11-09 Altamil Corp Apparatus for producing molds

Also Published As

Publication number Publication date
US3570585A (en) 1971-03-16
FR2040236A1 (en) 1971-01-22
DE2020157A1 (en) 1970-10-29
JPS5013736B1 (en) 1975-05-22
FR2040236B1 (en) 1976-07-16
BR7018466D0 (en) 1973-03-29
CA921674A (en) 1973-02-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CATERPILLAR INC.

Effective date: 19890430