Title:
CLOSABLE OPENING DEVICE FOR PACKAGES OF POURABLE FOOD PRODUCTS
Document Type and Number:
WIPO Patent Application WO2004022437
Kind Code:
A3
Abstract:
A closable opening device (4) having a frame (15) defining a through hole (16) and fitted about a pierceable portion (10) of a sealed package (1) for pourable food products; a removable threaded cap (17) which screws onto the frame (15) to close the hole (16); and a tubular cutting member (18) screwed inside the hole (16) and rotated by the cap (17) to travel through the pierceable portion. The cutting member (18) has an end cutting edge (31), in turn having a main blade (36), and a number of teeth (37a) located behind the main blade (36) and decreasing gradually in height so as to act successively on the pierceable portion (10).
Inventors:
CASALE CRISTIANO (IT)
DE SIMONI SARA (IT)
DE SIMONI SARA (IT)
Application Number:
PCT/EP2003/050614
Publication Date:
April 22, 2004
Filing Date:
September 08, 2003
Export Citation:
Assignee:
TETRA LAVAL HOLDINGS & FINANCE (CH)
CASALE CRISTIANO (IT)
DE SIMONI SARA (IT)
CASALE CRISTIANO (IT)
DE SIMONI SARA (IT)
International Classes:
B65D5/74; B65D47/36; (IPC1-7): B65D5/74
Domestic Patent References:
| WO1995005996A1 | 1995-03-02 | |||
| WO2003002419A1 | 2003-01-09 | |||
| WO2003101843A1 | 2003-12-11 |
Foreign References:
| JPH0740982A | 1995-02-10 | |||
| EP1088765A1 | 2001-04-04 | |||
| JPH11171233A | 1999-06-29 | |||
| DE3832412A1 | 1989-04-13 | |||
| EP1088764A1 | 2001-04-04 | |||
| JP2000344262A | 2000-12-12 | |||
| US5482176A | 1996-01-09 | |||
| JPH11222231A | 1999-08-17 | |||
| EP1262412A1 | 2002-12-04 | |||
| US20030127467A1 | 2003-07-10 |
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