Port seals for composite packages

Patent name Seal of the composite package Portion patent applicant SIG Technology Co., Ltd. Principal applicant Address Inventor of Rhine Falls, Switzerland Marcus Roynenberger; Application for Jochen Kraus (Patent) No. 200380102414.5 Date of application 2003.10 .24 Certification Date Approval Notice No. 1708434 Audit Notice Date 2005.12.14 Instruction CD-ROM D0550 Main Classification Number B65D5/74 Classification Number B65D5/74 Division Original Application No. 2002.10.29 CH 1816/02 Abstract used in composite packaging The body port seal comprises a bottom member (2) and a hinged cover (1) attached to the bottom member (2) to open and close the seal. The bottom part (2) is welded to the composite package by its horizontal bottom surface. The bottom part (2) has an annular, upwardly projecting extension (11) which forms a pour spout. The inside of the extension (11) is open. The cover (1) has a shape (21) that projects upwardly from the cover (1) when turned away, the shape (21) forming a horizontal top surface, which when turned and closed, A shape-fitting fit into the opening (9) on the underside of the bottom part (2), which is enclosed by the projection flange (11). The horizontal top surface may be flush with the bottom surface of the bottom member (2), and may also protrude 0.5 mm downward from the bottom surface. The top surface of the protrusion (21) is welded to the perforated area on the composite package, or welded to the sealing foil exposed by the perforation of the composite package. When the lid (1) is turned away, the sealing foil is torn neatly over the entire open area of ​​the bottom member (2). Sovereign Item 1. A port seal used on a composite package, said port seal comprising a bottom member (2) which is to be welded to the composite package through its horizontal bottom surface, The bottom part (2) also has an annular, upwardly projecting, outwardly extending member (11) which opens out, thereby forming a pour spout (5) which also contains a mould The cover (1) is moulded above the bottom part (2) so that the cover (1) can be rotated upwards and downwards by the hinge (27) onto the bottom part (2) to form a seal; when opened The cover (1) has an upwardly convex shape (21) which forms a horizontal top surface which can be fit into shape when the cover (1) is closed. The opening (9) on the bottom surface of the bottom part (2) enclosed by the protruding flange (11) is flush with the bottom surface, or protrudes downward (UPTO) by 0.5 mm from the bottom surface. International Application 2003-10-24 PCT/CH2003/000695 International Publication 2004-05-13 WO2004/039684 Date of Entry into the Country Patent Agencies Beijing Jinxin Cube Intellectual Property Agency Co., Ltd. Agency Address Agent Nanxun