GB229176A - Improvements in processes of casting hollow metallic cutting dies - Google Patents

Improvements in processes of casting hollow metallic cutting dies

Info

Publication number
GB229176A
GB229176A GB1563524A GB1563524A GB229176A GB 229176 A GB229176 A GB 229176A GB 1563524 A GB1563524 A GB 1563524A GB 1563524 A GB1563524 A GB 1563524A GB 229176 A GB229176 A GB 229176A
Authority
GB
United Kingdom
Prior art keywords
pattern
flask
rammed
mould
templets
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
GB1563524A
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.)
JOHN E SWANSON Inc
Original Assignee
JOHN E SWANSON Inc
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 JOHN E SWANSON Inc filed Critical JOHN E SWANSON Inc
Priority to GB1563524A priority Critical patent/GB229176A/en
Publication of GB229176A publication Critical patent/GB229176A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

229,176. Imrie, H., (Swanson, Inc., J. E.). June 30, 1924. Moulds; patterns; moulding processes.-Hollow cutting-dies such as those used for cutting boot soles from leather are cast in a three-part sand mould. The sectional pattern comprises accurate templets 12, 13 facing a slightly smaller body 11. Sectional members 14 of section corresponding to that of the blade part of the cutter are assembled round the templets. The hollow flask is rammed up level and provided with a parting surface. The pattern 11 - - 14 is rammed up in the centre flask, the spider pattern 16 and spur pattern 17 are rammed up in the top flask. The pattern 17 is withdrawn, the top flask removed, inverted, pattern 16 removed and the mould cavity finished off. The pattern parts 11, 12, 13 are removed and the space is rammed up to form a core, the sections 14 are removed and the middle flask is removed and the mould surface finished. The mould is then assembled. The spur serves the purpose of a handle on the die when required.
GB1563524A 1924-06-30 1924-06-30 Improvements in processes of casting hollow metallic cutting dies Expired GB229176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1563524A GB229176A (en) 1924-06-30 1924-06-30 Improvements in processes of casting hollow metallic cutting dies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1563524A GB229176A (en) 1924-06-30 1924-06-30 Improvements in processes of casting hollow metallic cutting dies

Publications (1)

Publication Number Publication Date
GB229176A true GB229176A (en) 1925-02-19

Family

ID=10062677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1563524A Expired GB229176A (en) 1924-06-30 1924-06-30 Improvements in processes of casting hollow metallic cutting dies

Country Status (1)

Country Link
GB (1) GB229176A (en)

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