Coloured tabbed container closure liners
A continuous laminate web (1b) for forming induction heat-sealable closures for containers has several strips (8) of longitudinally extending tabstock material arranged across the width sandwiched between a seal laminate substructure (1) and a continuous plastics sheet (10). The continuous plastics sheet is adhered to the facing surface of the tabstock and the top surface (7) of the seal laminate substructure suitably by an extended adhesive (9), while the tabstock is not adhered to the top surface of the seal laminate substructure. The plastics sheets is opaque and carries a printed pattern that is in register with the tabstock and the invention provides for means of aligning the tabstock with the printed pattern in carrying out the step of adhering the continuous plastics sheet to the tabstock and seal laminate, for instance by providing registration means at a margin (12) of one of the sheets, and detector means (40) for locating the registration means.
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Published patent application
Disclosure date: 11-17-2010
Publication date: 11-14-2012
Applicant: SELIG SEALING PRODUCTS INC, US
Inventor: BRETT ANTHONY MAXWELL, GB ; MCLEAN ANDREW FENWICK, GB ; SACHS VICTOR MARTIN, GB ; THORNHILL CRAIG WARREN, GB
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