Patent ID: 7735298

Claim:
An apparatus for sealing tray-shaped or pot-shaped receptacles, comprising: a sealing head having a sealing contour plate and a heatable sealing contour; a support plate; means for linearly displacing said sealing head relative to said support plate; a spring impinging said sealing head and said support plate, said spring exerting a force biasing away from said support plate; a spring seat plate between said sealing head and said support plate, said spring seat plate being arranged in a direction that is the same as a direction of linear displacement of said sealing head; and, a joint for tilting said sealing contour plate of said sealing head perpendicularly to an axis of said means for linearly displacing said sealing head relative to said support plate, said joint consisting of a rubber bearing made of two metal plates and a rubber layer between said two metal plates.