Global Patent Index - EP 0906221 A4

EP 0906221 A4 2000-05-10 - IMPROVED UNLOADER FOR BULK BAGS

Title (en)

IMPROVED UNLOADER FOR BULK BAGS

Title (de)

ENTLEERUNGSVORRICHTUNG FÜR BULK BAGS

Title (fr)

PERFECTIONNEMENT DE CULBUTEUR POUR SACS DE VRAC

Publication

EP 0906221 A4 (EN)

Application

EP 97925455 A

Priority

  • US 9707581 W
  • US 1687796 P

Abstract (en)

[origin: WO9742078A1] A portable unloader for bulk bags adapted for storing and handling ingredients of batch processes. The unloader has a rigid top frame (3) for supporting the bulk bag and bottom frame (2) connected by a hinge (4), with an inflatable membrane (5) disposed between the frames (2, 3). When the membrane (5) is inflated by a blower (25), the top frame (3) pivots and material flows to a hopper (7) having a metering valve (10).

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

B65B 1/04; B65B 3/04; B65D 88/16; B65D 90/04

IPC 8 full level (invention and additional information)

B65B 69/00 (2006.01); B65D 88/16 (2006.01)

CPC (invention and additional information)

B65D 88/1668 (2013.01); B65B 69/0091 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE GB IT NL

EPO simple patent family

WO 9742078 A1 19971113; AU 3058797 A 19971126; EP 0906221 A1 19990407; EP 0906221 A4 20000510

INPADOC legal status


2000-11-02 [18W] WITHDRAWN

- Date of withdrawal: 20000908

2000-05-10 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000322

2000-05-10 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): DE GB IT NL

1999-12-08 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 6B 65B 1/04 A, 6B 65B 3/04 B, 6B 65D 88/16 B, 6B 65D 90/04 B

1999-04-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19981113

1999-04-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE GB IT NL