Receptacles – Closures – With closure opening arrangements for means
Patent
1998-02-04
1999-09-07
Cronin, Stephen K.
Receptacles
Closures
With closure opening arrangements for means
220297, 222 83, 2225412, B65D 1744, B67D 500
Patent
active
059473185
ABSTRACT:
The opening device (1) for packages of pourable food products has a frame (3) connectable to a package, and a sleeve-like portion (10) defined by the frame (3) and having a circular aperture (12) provided therein. A cap (2) releasably engages the sleeve-like portion in a liquid-tight relationship therewith. A cylindrical portion (7) defined by the cap (2) is rotatably accommodatable inside the circular aperture (12), and cutting teeth (17) are connected to the cylindrical portion (7) for cutting packaging material located beneath the circular aperture (12), whereby to open a package. Cam-followers (23a-23c) connected to an inner annular wall (13) of the sleeve-like portion (10) slidebly engage cam-defining contoured slots (22a-22c) formed on the cylindrical portion, for converting unidirectional rotation of the cap (2) with respect to said frame (3), into bi-directional axial movement of the cylindrical portion with respect to the sleeve-like portion.
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Cronin Stephen K.
Newhouse Nathan
Tetra Laval Holdings & Finance S.A.
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