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US 10,240,654 B2Granted
Hybrid spring device
AssigneeMubea Carbo Tech GmbH
InventorsKarl Wagner, Georg Ruzicka, Sebastian Schmitz
Life of this patent
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Abstract
The invention is directed to a hybrid spring device comprising an outer tubular shell, and an inner part enclosed in the outer tubular shell comprising a fiber reinforced plastic material. According to the invention the outer tubular shell is designed as self-supporting part made from a metallic material. The invention further provides suitable methods for producing such types of hybrid spring devices.
Claims16
A hybrid spring device comprising:
- a. an outer tubular shell, and
- b. an inner part enclosed in the outer tubular shell comprising a fibre reinforced plastic material having several layers, wherein each of the several layers of the fibre reinforced plastic material is tubular about a central area having no fibres, and wherein
- c. the outer tubular shell is self-supporting and is made from a metallic material.
A hybrid spring device comprising:
- a. an outer tubular shell, and
- b. an inner part enclosed in the outer tubular shell comprising a fibre reinforced plastic material having at least one layer, wherein the at least one layer of the fibre reinforced plastic material surrounds a void in the centre of the hybrid spring device and wherein
- c. the outer tubular shell is self-supporting and is made from a metallic material.
Dependencies are inferred from the claim text.