FR2160689A1 - Heat protecting covering - for objects under going thermal treatment based on plaster of paris - Google Patents

Heat protecting covering - for objects under going thermal treatment based on plaster of paris

Info

Publication number
FR2160689A1
FR2160689A1 FR7242145A FR7242145A FR2160689A1 FR 2160689 A1 FR2160689 A1 FR 2160689A1 FR 7242145 A FR7242145 A FR 7242145A FR 7242145 A FR7242145 A FR 7242145A FR 2160689 A1 FR2160689 A1 FR 2160689A1
Authority
FR
France
Prior art keywords
paris
plaster
thermal treatment
treatment based
objects under
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.)
Granted
Application number
FR7242145A
Other languages
French (fr)
Other versions
FR2160689B1 (en
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.)
CMI SpA
Original Assignee
CMI SpA
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 CMI SpA filed Critical CMI SpA
Publication of FR2160689A1 publication Critical patent/FR2160689A1/en
Application granted granted Critical
Publication of FR2160689B1 publication Critical patent/FR2160689B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A61C13/09—Composite teeth, e.g. front and back section; Multilayer teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/20—Protective coatings for natural or artificial teeth, e.g. sealings, dye coatings or varnish
    • 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
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/813—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising iron oxide
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/02—Inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Ceramic Engineering (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Thermal Sciences (AREA)
  • Dentistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dental Preparations (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Mix comprises 10-40 wt.% CaSO4 as hemi-hydrate or anhydrite, 10-40 inorganic fibre e.g. asbestos, 0.1-3.0 Fe2O3 or iron hydroxide, 0.1-1.5 Si and s containing compound e.g. ultramarine blue. Water is added and the paste applied to the part of the object to be protected against heat e.g. jewellery, optical instruments, tooth prostheses.
FR7242145A 1971-11-19 1972-11-17 Heat protecting covering - for objects under going thermal treatment based on plaster of paris Granted FR2160689A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT13053/71A IT953104B (en) 1971-11-19 1971-11-19 INSULATING COATING MATERIAL TO ALLOW THE EXECUTION OF SAL DATURE OF THE METALLIC PARTS OF COMPOUND MANUFACTURING WHICH INCLUDE DETERICRABLE PARTS UNDER THE ACTION OF HEAT

Publications (2)

Publication Number Publication Date
FR2160689A1 true FR2160689A1 (en) 1973-06-29
FR2160689B1 FR2160689B1 (en) 1976-04-23

Family

ID=11144129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7242145A Granted FR2160689A1 (en) 1971-11-19 1972-11-17 Heat protecting covering - for objects under going thermal treatment based on plaster of paris

Country Status (8)

Country Link
JP (1) JPS4863355A (en)
AR (1) AR197586A1 (en)
BR (1) BR7208100D0 (en)
DE (1) DE2251347A1 (en)
FR (1) FR2160689A1 (en)
IT (1) IT953104B (en)
NL (1) NL7215693A (en)
SE (1) SE7215014L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0511546A2 (en) * 1991-04-30 1992-11-04 Noritake Co., Limited Investment material and mold for dental use and burnout thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0511546A2 (en) * 1991-04-30 1992-11-04 Noritake Co., Limited Investment material and mold for dental use and burnout thereof
EP0511546A3 (en) * 1991-04-30 1993-04-14 Noritake Co., Limited Investment material and mold for dental use and burnout thereof
US5373891A (en) * 1991-04-30 1994-12-20 Noritake Co., Ltd. Investment material and mold for dental use and burnout thereof

Also Published As

Publication number Publication date
AR197586A1 (en) 1974-04-23
SE7215014L (en) 1973-05-21
DE2251347A1 (en) 1973-05-24
BR7208100D0 (en) 1973-09-25
JPS4863355A (en) 1973-09-03
IT953104B (en) 1973-08-10
NL7215693A (en) 1973-05-22
FR2160689B1 (en) 1976-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse