CA2055273A1 - Method and Apparatus of Forming a One-Piece Core Cap Stamping with Keyway - Google Patents

Method and Apparatus of Forming a One-Piece Core Cap Stamping with Keyway

Info

Publication number
CA2055273A1
CA2055273A1 CA 2055273 CA2055273A CA2055273A1 CA 2055273 A1 CA2055273 A1 CA 2055273A1 CA 2055273 CA2055273 CA 2055273 CA 2055273 A CA2055273 A CA 2055273A CA 2055273 A1 CA2055273 A1 CA 2055273A1
Authority
CA
Canada
Prior art keywords
keyway
core cap
forming
piece core
stamping
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.)
Granted
Application number
CA 2055273
Other languages
French (fr)
Other versions
CA2055273C (en
Inventor
Real Bernier
Rosaire Michel
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.)
SLM Canada Inc
Original Assignee
SLM Canada 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 SLM Canada Inc filed Critical SLM Canada Inc
Publication of CA2055273A1 publication Critical patent/CA2055273A1/en
Application granted granted Critical
Publication of CA2055273C publication Critical patent/CA2055273C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Making Paper Articles (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

A core cap is formed from a one-piece sheet metal blank in which an inner cylindrical sleeve is formed and a reverse-fold outer sleeve determining a bight therebetween, and a recess is gradually formed by stamping in the bight and the inner sleeve so as to provide a keyway with parallel side walls symmetrical-ly parallel with the axis of the inner sleeve.
CA 2055273 1991-06-12 1991-11-12 Method and apparatus of forming a one-piece core cap stamping with keyway Expired - Fee Related CA2055273C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71386691A 1991-06-12 1991-06-12
US713,866 1991-06-12

Publications (2)

Publication Number Publication Date
CA2055273A1 true CA2055273A1 (en) 1992-12-13
CA2055273C CA2055273C (en) 1995-01-17

Family

ID=24867852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2055273 Expired - Fee Related CA2055273C (en) 1991-06-12 1991-11-12 Method and apparatus of forming a one-piece core cap stamping with keyway

Country Status (1)

Country Link
CA (1) CA2055273C (en)

Also Published As

Publication number Publication date
CA2055273C (en) 1995-01-17

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed