FR2183484A5 - Screw fasteners - plated with tin-nickel/cobalt alloy - Google Patents

Screw fasteners - plated with tin-nickel/cobalt alloy

Info

Publication number
FR2183484A5
FR2183484A5 FR7315542A FR7315542A FR2183484A5 FR 2183484 A5 FR2183484 A5 FR 2183484A5 FR 7315542 A FR7315542 A FR 7315542A FR 7315542 A FR7315542 A FR 7315542A FR 2183484 A5 FR2183484 A5 FR 2183484A5
Authority
FR
France
Prior art keywords
thick
alloy
plated
tin
nickel
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
FR7315542A
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.)
MIDWEST CHROME PROCESS CY
Original Assignee
MIDWEST CHROME PROCESS CY
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 US249850A external-priority patent/US3884116A/en
Application filed by MIDWEST CHROME PROCESS CY filed Critical MIDWEST CHROME PROCESS CY
Application granted granted Critical
Publication of FR2183484A5 publication Critical patent/FR2183484A5/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00Features common to bolt and nut
    • F16B33/06Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00Features common to bolt and nut
    • F16B33/008Corrosion preventing means

Abstract

The fastener is coated with (1) Ni, Sn, Co, Cd, Zn or esp. Cu, 0.254-2.54 (0.508-2.03) mu thick, (11) Zn or Sn or Cd-Sn, Cd-Zn, Zn-Cu, Cd-Cu or Zn-Sn alloy or esp. Cd, 1.27 - 22.9 (2.54-12.7) mu thick, (111) Cu, 0.25A-12.7 (1.02-3.05) mu thick, (1 V) Co, Ni-Co alloy or esp. Ni, 2.54-17.8 (7.62-12.7) mu thick, and (V) Zn-Ni, Zn-Co-Ni or Zn-Co alloy, 0.127 - 5.08 (0.254-3.81, esp. 0.127-2.286) mu thick. Alternatively it is coated with (1) Cu, 0-12.7 mu thick, (11) Ni, Co or Ni-Co alloy, 2.54-25.4 mu thick, and (111) Sn-Ni, Sn-CO-Ni or Sn-Co alloy, 0.127-0.508 mu thick. The layers are applied by electroplating, and bath-insol particles, e.g. inorg. materials, synthetic resins and glasses, may be incorporated in the Sn alloy plating bath. Adhesion between the layers and the fastener is strong.
FR7315542A 1972-05-03 1973-04-27 Screw fasteners - plated with tin-nickel/cobalt alloy Expired FR2183484A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US249850A US3884116A (en) 1971-12-15 1972-05-03 Screw threaded fastening means and like products

Publications (1)

Publication Number Publication Date
FR2183484A5 true FR2183484A5 (en) 1973-12-14

Family

ID=22945272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7315542A Expired FR2183484A5 (en) 1972-05-03 1973-04-27 Screw fasteners - plated with tin-nickel/cobalt alloy

Country Status (5)

Country Link
JP (1) JPS4954763A (en)
CA (1) CA1026262A (en)
DE (1) DE2322352B2 (en)
FR (1) FR2183484A5 (en)
IT (1) IT987112B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002579A1 (en) 2010-03-04 2011-09-08 Robert Bosch Gmbh Fasteners and associated manufacturing method

Also Published As

Publication number Publication date
CA1026262A (en) 1978-02-14
DE2322352A1 (en) 1973-11-22
JPS4954763A (en) 1974-05-28
AU5495073A (en) 1974-10-31
DE2322352B2 (en) 1979-05-10
IT987112B (en) 1975-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse