DE3062113D1 - Method for producing patterns, coreboxes and tools, and patterns so obtained - Google Patents

Method for producing patterns, coreboxes and tools, and patterns so obtained

Info

Publication number
DE3062113D1
DE3062113D1 DE8080102620T DE3062113T DE3062113D1 DE 3062113 D1 DE3062113 D1 DE 3062113D1 DE 8080102620 T DE8080102620 T DE 8080102620T DE 3062113 T DE3062113 T DE 3062113T DE 3062113 D1 DE3062113 D1 DE 3062113D1
Authority
DE
Germany
Prior art keywords
pattern mould
carrying body
poured
surface layer
patterns
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
DE8080102620T
Other languages
German (de)
Inventor
Helmut Horber
Horst Pauling
Wilhelm Steiner
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.)
Georg Fischer AG
Original Assignee
Georg Fischer AG
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 Georg Fischer AG filed Critical Georg Fischer AG
Application granted granted Critical
Publication of DE3062113D1 publication Critical patent/DE3062113D1/en
Expired legal-status Critical Current

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

Abstract

1. Method for manufacturing patterns, core boxes and tools, more particularly casting patterns, which are manufactured by means of a surface layer resin applied to a carrying body (12) with a predetermined layer thickness, the fluid surface layer resin being poured into a cavity between the carrying body (12) and the pattern mould (1) and, after it has set, the hard model (16) being removed from the pattern mould (1), characterized by the following steps : a) a hardenable, flowable, dip-moulding substance (5) heated to between 50 and 200 degrees C, which is pliable in its set state, is poured into or on to a negative or positive pattern mould (1) ; b) after a selected setting time, the excess, still fluid dip-moulding substance (5) is poured off, whereby a hardened mask (7) remains which has a uniform layer thickness in all its contours ; c) a carrying material is applied to the mask (7) in the pattern mould (1) and the carrying body (12) thus produced ; d) the mask (7) is pulled off after the carrying body (12) has been removed from the pattern mould (1) ; e) the carrying body is put back into the pattern mould (1) in the original fixed position ; f) a two-component polyurethane plastics is poured into the cavity as a surface layer resin to form the surface layer (19).
DE8080102620T 1979-05-17 1980-05-12 Method for producing patterns, coreboxes and tools, and patterns so obtained Expired DE3062113D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH462679 1979-05-17

Publications (1)

Publication Number Publication Date
DE3062113D1 true DE3062113D1 (en) 1983-03-31

Family

ID=4279638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080102620T Expired DE3062113D1 (en) 1979-05-17 1980-05-12 Method for producing patterns, coreboxes and tools, and patterns so obtained

Country Status (3)

Country Link
EP (1) EP0020989B1 (en)
AT (1) ATE2605T1 (en)
DE (1) DE3062113D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319204A1 (en) * 1983-05-27 1984-11-29 Weigel, Angela Process for producing laminated moulds and components using a vacuum
ES2109850B1 (en) * 1994-05-17 1998-08-01 Seat Sa MANUFACTURING PROCESS OF A FOREIGN DATA CONTROL MODEL.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1058046A (en) * 1952-01-14 1954-03-12 Ver Deutsche Metallwerke Ag Mass production process of models and core boxes with exact dimensions
US2947046A (en) * 1957-07-01 1960-08-02 Lunkenheimer Co Method of making plastic laminated core boxes and patterns
US3216074A (en) * 1964-02-26 1965-11-09 Edward N Harrison Method for making shaped foundry articles
US3550673A (en) * 1968-06-10 1970-12-29 Foundry Allied Ind Inc Polyurethane mold articles

Also Published As

Publication number Publication date
EP0020989B1 (en) 1983-02-23
EP0020989A1 (en) 1981-01-07
ATE2605T1 (en) 1983-03-15

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee