Movable or removable closures – Closure seal; e.g. – striker gasket or weatherstrip – Held by snap fastener
Reexamination Certificate
2002-06-06
2004-10-19
Thompson, II, Hugh B. (Department: 3634)
Movable or removable closures
Closure seal; e.g., striker gasket or weatherstrip
Held by snap fastener
C049S490100
Reexamination Certificate
active
06804915
ABSTRACT:
FIELD OF THE INVENTION
The invention refers to a door gasket at a refrigerator or freezer comprising a housing closable by a door; the gasket, which is located in a gap between the door and the housing at the periphery of the door, being kept in place by an elastic part of the gasket with two legs holding around a waist of a ridge-shaped element.
BACKGROUND OF THE INVENTION
Such a gasket, which .is easy to fix on and remove from the ridge-shaped element, is known through DE 35 25 538 A1. At this known gasket the elastic part is constituted by an arched central part, which at its respective ends in sharp bends goes over into legs directed towards each other. When the legs shall be pressed on to the ridge-shaped element, tension concentrations will occur in said bends, which limits the flexibility of the elastic part and by that makes demands upon dimensional accuracy of the outer width of the ridge-shaped element.
BRIEF SUMMARY OF THE INVENTION
The object of the invention is to improve the flexibility of the elastic part so that a greater variation of the outer width of the ridge-shaped element can be allowed, which has a great importance when the ridge-shaped element for instance is constituted by a part of a vacuum shaped plastic sheet.
This object is reached by the door gasket according to the invention thereby that the elastic part in profile substantially has the shape of an arc of a circle extending over more than 180°.
By this the tensions will be distributed substantially evenly over whole the elastic part, which gives the desired improvement of its flexibility.
REFERENCES:
patent: 3126590 (1964-03-01), Monti
patent: 3289352 (1966-12-01), Heilweil et al.
patent: 3323256 (1967-06-01), Reahard et al.
patent: 3378957 (1968-04-01), Frehse
patent: 6464312 (2002-10-01), Tenhundfeld et al.
patent: 35 25 538 (1985-07-01), None
Aktiebolaget Electrolux
Pearne & Gordon LLP
Thompson II Hugh B.
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