The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 2001
Filed:
Jun. 19, 2000
Mauro Laciacera, Modena, IT;
Claudia Miani, Bologna, IT;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
A closable opening device (,) having a frame (,) defining a through hole (,) and fitted about a pierceable portion (,) of a sealed package (,) for pourable food products; a removable threaded cap (,) which screws onto the frame (,) to close the hole (,); and a tubular cutting member (,), which engages the hole (,) in movable manner along a spiral feed path, is connected angularly to the cap (,) during disengagement of the cap (,) from the frame (,) when first opening the package (,), and has an end edge (,) in turn having, on the face, a single cutter (,) acting along a major portion (C) of the periphery of the pierceable portion (,) to open the package (,).