FR718337A - Perfectionnements relatifs à la fabrication des matrices - Google Patents

Perfectionnements relatifs à la fabrication des matrices

Info

Publication number
FR718337A
FR718337A FR718337DA FR718337A FR 718337 A FR718337 A FR 718337A FR 718337D A FR718337D A FR 718337DA FR 718337 A FR718337 A FR 718337A
Authority
FR
France
Prior art keywords
dies
manufacture
improvements relating
relating
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
Other languages
English (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.)
Budd Int Corp
Original Assignee
Budd Int Corp
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 Budd Int Corp filed Critical Budd Int Corp
Application granted granted Critical
Publication of FR718337A publication Critical patent/FR718337A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR718337D 1930-06-09 1931-06-06 Perfectionnements relatifs à la fabrication des matrices Expired FR718337A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US718337XA 1930-06-09 1930-06-09

Publications (1)

Publication Number Publication Date
FR718337A true FR718337A (fr) 1932-01-23

Family

ID=22103884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718337D Expired FR718337A (fr) 1930-06-09 1931-06-06 Perfectionnements relatifs à la fabrication des matrices

Country Status (1)

Country Link
FR (1) FR718337A (fr)

Similar Documents

Publication Publication Date Title
FR726778A (fr) Perfectionnements relatifs aux presses à mouler
FR718089A (fr) Production de 1.4-dioxyéthylaminoanthraquinones symétriques
FR718337A (fr) Perfectionnements relatifs à la fabrication des matrices
FR689693A (fr) Perfectionnements relatifs à la fabrication des poutrelles en métal déployé
FR706832A (fr) Perfectionnements à la constitution des caisses de carrosseries
FR694810A (fr) Perfectionnements à la fabrication des chaussures
FR712523A (fr) Perfectionnements à la fabrication des ciments
FR721608A (fr) Perfectionnements à la fabrication des polychlornaphtalènes
FR692240A (fr) Perfectionnements à la fabrication des alliages de magnésium
FR687620A (fr) Perfectionnements apportés à la fabrication des couteaux
FR706639A (fr) Perfectionnements apportés à la fabrication des espadrilles
FR702403A (fr) Perfectionnement apporté à la fabrication des sandales
FR579784A (fr) Perfectionnements apportés à la production de matrices à type
FR711296A (fr) Fabrication de thiuram-monosulfures
FR39985E (fr) Perfectionnements à la fabrication des tubes manométriques
FR716730A (fr) Perfectionnements relatifs à la fabrication de pièces réfractaires
FR719694A (fr) Perfectionnements apportés à la fabrication des engrais
FR703223A (fr) Perfectionnements apportés à la fabrication des couteaux de table
FR694115A (fr) Perfectionnements à la production de composés fertilisants
FR710765A (fr) Perfectionnements à la fabrication des cloches pour chapeaux
FR701461A (fr) Perfectionnements à la fabrication des semelles
FR709823A (fr) Fabrication de formaldéhyde
FR717145A (fr) Perfectionnements à la fabrication des amidines
FR715438A (fr) Perfectionnements à la fabrication des peignes en corne
FR715530A (fr) Perfectionnements à la fabrication des briques réfractaires