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.)
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SLM Canada Inc
Original Assignee
SLM Canada Inc
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Filing date
Publication date
Application filed by SLM Canada IncfiledCriticalSLM Canada Inc
Publication of CA2055273A1publicationCriticalpatent/CA2055273A1/en
Application grantedgrantedCritical
Publication of CA2055273CpublicationCriticalpatent/CA2055273C/en
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 20552731991-06-121991-11-12Method and apparatus of forming a one-piece core cap stamping with keyway
Expired - Fee RelatedCA2055273C
(en)