CA432944A - Porcelain hole forming method - Google Patents

Porcelain hole forming method

Info

Publication number
CA432944A
CA432944A CA432944A CA432944DA CA432944A CA 432944 A CA432944 A CA 432944A CA 432944 A CA432944 A CA 432944A CA 432944D A CA432944D A CA 432944DA CA 432944 A CA432944 A CA 432944A
Authority
CA
Canada
Prior art keywords
forming method
hole forming
porcelain hole
porcelain
hole
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
CA432944A
Other languages
French (fr)
Inventor
H. Fischer Eugene
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.)
Westinghouse Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
Publication date
Application granted granted Critical
Publication of CA432944A publication Critical patent/CA432944A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B28B7/342—Moulds, cores, or mandrels of special material, e.g. destructible materials which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
CA432944A Porcelain hole forming method Expired CA432944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA432944T

Publications (1)

Publication Number Publication Date
CA432944A true CA432944A (en) 1946-02-05

Family

ID=210311

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432944A Expired CA432944A (en) Porcelain hole forming method

Country Status (1)

Country Link
CA (1) CA432944A (en)

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