Patent ID: 6210308
Filing Date: 2001-04-03
Classification: B29C,B31B

Abstract:
A sealing apparatus for sealing foil material for producing foil bags, comprising a foil conveying means for feeding the foil material to be sealed, a sealing means including a sealing head which is movable with respect to the sealing means, a first pneumatic means configured to move the sealing head, and a second pneumatic means configured to move the sealing head and the first pneumatic means, the sealing head being controllable to be temporarily fixed in at least three operative positions:a sealing position in which the sealing head is positioned at least proximate the foil material for performing the foil sealing operation,an intermediate position in which the sealing head has a first predetermined distance from the sealing position, andan inoperative position in which the sealing head has a second predetermined distance from the sealing position that is greater than the first distance.