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FR1457458A - Procédé de fabrication de vis auto-taraudeuses - Google Patents

Procédé de fabrication de vis auto-taraudeuses

Info

Publication number
FR1457458A
FR1457458A FR28106A FR28106A FR1457458A FR 1457458 A FR1457458 A FR 1457458A FR 28106 A FR28106 A FR 28106A FR 28106 A FR28106 A FR 28106A FR 1457458 A FR1457458 A FR 1457458A
Authority
FR
France
Prior art keywords
self
manufacturing process
tapping screws
tapping
screws
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
FR28106A
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.)
National Lock Co
Original Assignee
National Lock Co
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 National Lock Co filed Critical National Lock Co
Priority to FR28106A priority Critical patent/FR1457458A/fr
Application granted granted Critical
Publication of FR1457458A publication Critical patent/FR1457458A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/027—Rolling of self-tapping screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR28106A 1965-08-12 1965-08-12 Procédé de fabrication de vis auto-taraudeuses Expired FR1457458A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR28106A FR1457458A (fr) 1965-08-12 1965-08-12 Procédé de fabrication de vis auto-taraudeuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28106A FR1457458A (fr) 1965-08-12 1965-08-12 Procédé de fabrication de vis auto-taraudeuses

Publications (1)

Publication Number Publication Date
FR1457458A true FR1457458A (fr) 1966-01-24

Family

ID=8586517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28106A Expired FR1457458A (fr) 1965-08-12 1965-08-12 Procédé de fabrication de vis auto-taraudeuses

Country Status (1)

Country Link
FR (1) FR1457458A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361334A2 (fr) * 1988-09-23 1990-04-04 The Dow Chemical Company Procédé de préparation de mousses de polyuréthane flexibles de densité basse .

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361334A2 (fr) * 1988-09-23 1990-04-04 The Dow Chemical Company Procédé de préparation de mousses de polyuréthane flexibles de densité basse .
EP0361334A3 (en) * 1988-09-23 1990-04-25 The Dow Chemical Company Process for making low density flexible molded and slabstock polyurethane foams

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