FR2451991A2 - Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux - Google Patents

Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux

Info

Publication number
FR2451991A2
FR2451991A2 FR7907704A FR7907704A FR2451991A2 FR 2451991 A2 FR2451991 A2 FR 2451991A2 FR 7907704 A FR7907704 A FR 7907704A FR 7907704 A FR7907704 A FR 7907704A FR 2451991 A2 FR2451991 A2 FR 2451991A2
Authority
FR
France
Prior art keywords
face
door
grains
cast
ferrous metal
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.)
Pending
Application number
FR7907704A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR7902389A external-priority patent/FR2447449A1/fr
Application filed by Individual filed Critical Individual
Priority to FR7907704A priority Critical patent/FR2451991A2/fr
Publication of FR2451991A2 publication Critical patent/FR2451991A2/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/11—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

METHODE POUR AUGMENTER LA RESISTANCE A L'EFFRACTION DES PORTES COULEES EN METAUX NON FERREUX CONSISTANT A CLOUER DANS LE MOULE PREALABLEMENT A LA COULEE DU METAL EN FUSION UN GRILLAGE SUR LEQUEL DES GRAINS D'ABRASIF DUR FURENT PREALABLEMENT COLLES.
FR7907704A 1979-01-23 1979-03-19 Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux Pending FR2451991A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7907704A FR2451991A2 (fr) 1979-01-23 1979-03-19 Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7902389A FR2447449A1 (fr) 1979-01-23 1979-01-23 Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux
FR7907704A FR2451991A2 (fr) 1979-01-23 1979-03-19 Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux

Publications (1)

Publication Number Publication Date
FR2451991A2 true FR2451991A2 (fr) 1980-10-17

Family

ID=32964013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7907704A Pending FR2451991A2 (fr) 1979-01-23 1979-03-19 Methode pour augmenter la resistance a l'effraction des portes coulees en metaux non ferreux

Country Status (1)

Country Link
FR (1) FR2451991A2 (fr)

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