GB1339001A - Removal of expendable patterns from shell moulds - Google Patents

Removal of expendable patterns from shell moulds

Info

Publication number
GB1339001A
GB1339001A GB1339001DA GB1339001A GB 1339001 A GB1339001 A GB 1339001A GB 1339001D A GB1339001D A GB 1339001DA GB 1339001 A GB1339001 A GB 1339001A
Authority
GB
United Kingdom
Prior art keywords
removal
shell moulds
expendable
expendable patterns
oven
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
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1339001A publication Critical patent/GB1339001A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/043—Removing the consumable pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)

Abstract

1339001 Foundry moulding processes A DUNLOP 19 April 1971 [6 March 1970] 10779/70 Heading B3F [Also in Division F4] Expendable material is recovered from a shell mould by placing it in an oven (see Divisions F3-F4) where it is subject to a temperature of 150‹ C.-500‹ C. to melt said material. The molten material collects in a receiver below the oven whereupon the temperature of the latter is raised to 900‹ C.-1200‹ C. to bake the mould.
GB1339001D 1971-04-19 1971-04-19 Removal of expendable patterns from shell moulds Expired GB1339001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1077970 1971-04-19

Publications (1)

Publication Number Publication Date
GB1339001A true GB1339001A (en) 1973-11-28

Family

ID=9974108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1339001D Expired GB1339001A (en) 1971-04-19 1971-04-19 Removal of expendable patterns from shell moulds

Country Status (1)

Country Link
GB (1) GB1339001A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148760A (en) * 1983-10-27 1985-06-05 Bsa Foundries Limited Casting metal in a sand backed shell mould
US4660623A (en) * 1983-01-21 1987-04-28 Ashton Michael C Ceramic shell moulds, manufacture and use
GB2276234A (en) * 1993-03-19 1994-09-21 Nichrome Pipe Fittings Company Recovering wax from tube-bending mandrels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660623A (en) * 1983-01-21 1987-04-28 Ashton Michael C Ceramic shell moulds, manufacture and use
GB2148760A (en) * 1983-10-27 1985-06-05 Bsa Foundries Limited Casting metal in a sand backed shell mould
GB2276234A (en) * 1993-03-19 1994-09-21 Nichrome Pipe Fittings Company Recovering wax from tube-bending mandrels

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees