Global Patent Index - EP 0822873 A4

EP 0822873 A4 2001-02-07 - UNITARY SHEET METAL CAN BODY, FABRICATING METHODS AND APPARATUS

Title (en)

UNITARY SHEET METAL CAN BODY, FABRICATING METHODS AND APPARATUS

Title (de)

EINSTÜCKIGE METALBLECHBEHÄLTER UND VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG

Title (fr)

CORPS DE BOITE A CONSERVE EN TOLE MONOBLOC, PROCEDE ET DISPOSITIF DE FABRICATION

Publication

EP 0822873 A4 (EN)

Application

EP 96912176 A

Priority

  • IB 9600455 W
  • US 42838695 A

Abstract (en)

[origin: WO9635525A2] Method and apparatus for combined-process fabricating of flat-rolled sheet metal precoated with an organic polymeric coating into an elongated cylindrical-configuration one-piece can body precoated on interior and exterior surfaces. A circular configuration rigid flat-rolled sheet metal blank precoated with organic polymeric coating is shaped into a unitary cup-shaped product which is free of increased sheet metal thickness. In a single-stroke combined processing, the work product reshaped is passed through side wall ironing structure to increase side wall height and to produce a substantially uniform thickness side wall. Side-wall ironing is carried out free of damage to the precoated organic polymeric coating and the can body, as fabricated, is ready for use free of coating repair requirements. The resultant can body endwall thickness is substantially equal to the preselected starting gauge of the circular blank.

IPC 1-7 (main, further and additional classification)

B21D 51/26; B21D 22/20; B21D 22/30

IPC 8 full level (invention and additional information)

B21D 51/26 (2006.01)

CPC (invention and additional information)

B21D 51/26 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9635525A3

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

WO 9635525 A2 19961114; WO 9635525 A3 19970103; AU 5511296 A 19961129; AU 707477 B2 19990708; CA 2217176 A1 19961114; EP 0822873 A2 19980211; EP 0822873 A4 20010207

INPADOC legal status


2001-06-20 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20010409

2001-02-07 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20001228

2001-02-07 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT NL

2001-02-07 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7B 21D 51/26 A, 7B 21D 22/30 B, 7B 21D 22/20 B

1998-02-11 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19971117

1998-02-11 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT NL