FR2170730A5 - - Google Patents

Info

Publication number
FR2170730A5
FR2170730A5 FR7303455A FR7303455A FR2170730A5 FR 2170730 A5 FR2170730 A5 FR 2170730A5 FR 7303455 A FR7303455 A FR 7303455A FR 7303455 A FR7303455 A FR 7303455A FR 2170730 A5 FR2170730 A5 FR 2170730A5
Authority
FR
France
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
FR7303455A
Other languages
French (fr)
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.)
Elco Industries Inc
Original Assignee
Elco Industries Inc
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 Elco Industries Inc filed Critical Elco Industries Inc
Application granted granted Critical
Publication of FR2170730A5 publication Critical patent/FR2170730A5/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
    • B21H3/022—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling combined with rolling splines, ribs, grooves or the like, e.g. using compound dies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/048—Specially-shaped necks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Forging (AREA)
FR7303455A 1972-02-01 1973-01-31 Expired FR2170730A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22253272A 1972-02-01 1972-02-01

Publications (1)

Publication Number Publication Date
FR2170730A5 true FR2170730A5 (ja) 1973-09-14

Family

ID=22832598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303455A Expired FR2170730A5 (ja) 1972-02-01 1973-01-31

Country Status (4)

Country Link
JP (1) JPS4884068A (ja)
DE (1) DE2304470A1 (ja)
FR (1) FR2170730A5 (ja)
IT (1) IT978544B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147627A (en) * 1980-04-16 1981-11-16 Mitsubishi Paper Mills Ltd Preparation of minute microcapsule
US4393595A (en) * 1981-07-20 1983-07-19 Leupold & Stevens, Inc. Tube adjustment gasket and rifle scope employing same
CN116140514A (zh) * 2023-03-01 2023-05-23 霍邱县鑫锐达精密五金制品有限公司 一种紧固件加工用辗牙装置

Also Published As

Publication number Publication date
IT978544B (it) 1974-09-20
JPS4884068A (ja) 1973-11-08
DE2304470A1 (de) 1973-08-09

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Legal Events

Date Code Title Description
ST Notification of lapse