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US 4,151,707 AGranted
Water proof watch
AssigneeMultibrev Anstalt
InventorMario Cobelli
Life of this patent
Estimating the term…
Abstract
A water-proof watch which comprises a composite watch case and a movement therein, said case consisting of a transparent plastic face crystal having overmolded therein a generally opaque plastic body portion to which can be fitted a plastic closure portion sealable after the movement is placed in the watch. At least a zone of the case or of the closure portion is flexible in order to provide control of the winding and regulating mechanism of the movement.
Claims5
A hermetically closed watch comprising a case of plastic material including:
- a substantially rigid transparent portion fast with a substantially rigid first portion of the case;
- a substantially rigid second portion sealable to said first portion and closing said first portion;
- and
- at least one flexible zone for controlling at least the time setting of the watch movement,
- wherein said flexible zone comprises a membrane button of flexible plastic material fast with and overmolded to said case, said membrane button closing an opening of said second portion and having loop-shaped edges enclosing the inner and outer contours of the opening provided with annular ridges, said edges being joined by beads of plastic material flown into a plurality of holes passing through said contours.
2 more elements
Dependencies are inferred from the claim text.