Title:
SHRED-LESS BLANKING
Document Type and Number:
WIPO Patent Application WO/2014/170476
Kind Code:
A1
Abstract:
A method of creating blanks for metal containers and associated pieces of scrap from sheet metal by firstly indenting the surface of a metal sheet to a precise, pre-determined depth along a path corresponding to the periphery of each blank, but leaving the blank tethered along the path. Secondly, tearing the tether apart. The path of the indentation coincides with the path of the indentation of adjacent blanks.
Inventors:
DUNWOODY PAUL ROBERT (GB)
Application Number:
PCT/EP2014/057990
Publication Date:
October 23, 2014
Filing Date:
April 17, 2014
Export Citation:
Assignee:
CROWN PACKAGING TECHNOLOGY INC (US)
CROWN PACKAGING UK PLC (GB)
CROWN PACKAGING UK PLC (GB)
International Classes:
B21D28/06; B21D28/16; B21D51/44
Foreign References:
| US4362078A | 1982-12-07 | |||
| JPS61109912A | 1986-05-28 | |||
| GB1336818A | 1973-11-14 | |||
| EP0006285A1 | 1980-01-09 | |||
| JP2013059777A | 2013-04-04 |
Attorney, Agent or Firm:
SMITH, Debra (Swindon Wiltshire SN1 4HT, GB)
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