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US 8,282,378 B2Granted
Device for extruding a strip of rubber
AssigneeMichelin Recherche et Technique S.A.
InventorsChristophe Ougier, Christian Monge
Life of this patent
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Abstract
A device for extruding a strip of rubber comprises a passage for forming the strip, which passage is defined by a rotary roller for forming and driving the strip. The device also comprises a shutter for shutting the forming passage, which shutter is deactivatable under the effect of the pressure of the rubber upstream from the shutter exceeding a predetermined threshold.
Claims9
A device for extruding a strip of rubber, comprising:
- a passage for forming the strip, which passage is defined by a rotary roller for forming and driving the strip, and
- a shutter assembly configured to shut the forming passage, the shutter assembly being deactivatable in the event of a pressure of the rubber upstream from the shutter assembly exceeding a predetermined pressure threshold,
- wherein the shutter assembly comprises a shutter member that is urged by rated means, which are rated as a function of the predetermined pressure threshold, between:
- a deactivation position of the shutter assembly in which the shutter member contributes to forming the strip;
- and
- a position shutting the forming passage.
3 more elements
Dependencies are inferred from the claim text.