GB412303A - Investment composition for making moulds for casting metals - Google Patents

Investment composition for making moulds for casting metals

Info

Publication number
GB412303A
GB412303A GB1255/33A GB125533A GB412303A GB 412303 A GB412303 A GB 412303A GB 1255/33 A GB1255/33 A GB 1255/33A GB 125533 A GB125533 A GB 125533A GB 412303 A GB412303 A GB 412303A
Authority
GB
United Kingdom
Prior art keywords
investment composition
making moulds
casting metals
moulds
investment
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
GB1255/33A
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.)
DOROTHY SNOVER DUGAN
Original Assignee
DOROTHY SNOVER DUGAN
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 DOROTHY SNOVER DUGAN filed Critical DOROTHY SNOVER DUGAN
Priority to GB1255/33A priority Critical patent/GB412303A/en
Publication of GB412303A publication Critical patent/GB412303A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/858—Calcium sulfates, e.g, gypsum

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)
  • Dental Preparations (AREA)

Abstract

Cristobalite or silica which has been heated for a long time to 1850 DEG F. is mixed with a binder, such as plaster of Paris or Keene's, Portland, oxy-salts, magnesium oxide, phosphoric acid, sodium silicate or other cement, to form an investment composition for use in making moulds for casting dental inlays, jewellery, or other articles of gold alloy or other metal.
GB1255/33A 1933-01-13 1933-01-13 Investment composition for making moulds for casting metals Expired GB412303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1255/33A GB412303A (en) 1933-01-13 1933-01-13 Investment composition for making moulds for casting metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1255/33A GB412303A (en) 1933-01-13 1933-01-13 Investment composition for making moulds for casting metals

Publications (1)

Publication Number Publication Date
GB412303A true GB412303A (en) 1934-06-28

Family

ID=9718805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1255/33A Expired GB412303A (en) 1933-01-13 1933-01-13 Investment composition for making moulds for casting metals

Country Status (1)

Country Link
GB (1) GB412303A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311516A (en) * 1964-01-02 1967-03-28 Johns Manville Flexible compositions with rigid setting properties
FR2352609A1 (en) * 1976-05-24 1977-12-23 Pre Vest Inc LOST WAX MOLDING REFRACTORY MOLD
GB2161155A (en) * 1984-07-06 1986-01-08 G C Dental Ind Corp Investment material for dental casting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311516A (en) * 1964-01-02 1967-03-28 Johns Manville Flexible compositions with rigid setting properties
FR2352609A1 (en) * 1976-05-24 1977-12-23 Pre Vest Inc LOST WAX MOLDING REFRACTORY MOLD
GB2161155A (en) * 1984-07-06 1986-01-08 G C Dental Ind Corp Investment material for dental casting
FR2567023A1 (en) * 1984-07-06 1986-01-10 G C Dental Ind Corp DENTAL MOLDING MATERIAL WITH LOST MODEL

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