CA1054315A - Matrice pour former les vis autotarandeuses - Google Patents

Matrice pour former les vis autotarandeuses

Info

Publication number
CA1054315A
CA1054315A CA310,964A CA310964A CA1054315A CA 1054315 A CA1054315 A CA 1054315A CA 310964 A CA310964 A CA 310964A CA 1054315 A CA1054315 A CA 1054315A
Authority
CA
Canada
Prior art keywords
thread
section
die
grooves
depth
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
CA310,964A
Other languages
English (en)
Inventor
Herman G. Muenchinger
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.)
Research Engineering and Manufacturing Inc
Original Assignee
Research Engineering and Manufacturing 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
Priority claimed from US05/665,537 external-priority patent/US4040328A/en
Application filed by Research Engineering and Manufacturing Inc filed Critical Research Engineering and Manufacturing Inc
Application granted granted Critical
Publication of CA1054315A publication Critical patent/CA1054315A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)
CA310,964A 1976-03-10 1978-09-08 Matrice pour former les vis autotarandeuses Expired CA1054315A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/665,537 US4040328A (en) 1976-03-10 1976-03-10 Thread-forming fastener having dual lobulation and dies for making the same
CA270162A CA1054412A (fr) 1976-03-10 1977-01-21 Organe d'assemblage autotaraudeur a saillies jumelees, et matrice pour sa fabrication

Publications (1)

Publication Number Publication Date
CA1054315A true CA1054315A (fr) 1979-05-15

Family

ID=25668435

Family Applications (1)

Application Number Title Priority Date Filing Date
CA310,964A Expired CA1054315A (fr) 1976-03-10 1978-09-08 Matrice pour former les vis autotarandeuses

Country Status (1)

Country Link
CA (1) CA1054315A (fr)

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