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US 4,655,473 AGranted
Process of manufacturing a ski
AssigneeRealverbund
InventorsAlfred Muller, Johann Kohler-Pavlek
Life of this patent
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Abstract
A process of manufacturing a composite ski, particularly a laminated ski. The constituent parts of the ski are placed into an evacuable mold, which during or after its evacuation is supplied with a binder, which is preferably liquid and fills the pores of the constituent parts and the cavities between the constituent parts.
Claims26
A process of manufacturing a laminated composite ski in an enclosed mold, comprising the steps of:
- (a) placing into an elongated ski-shaped forming mold a plurality of ski forming components, comprising the tread layer, steel edges, core laminate parts, side walls and top facing layers, said components and said mold defining a major longitudinal axis and a plurality of minor transverse axes perpendicular to the longitudinal axes, and positioned at a plurality of locations along the longitudinal axes including at the ends thereof, these transverse and longitudinal axes defining a series of sideport locations comprising vacuum openings or binder supply openings;
- (b) evacuating the mold by providing communication between the mold and a source of vacuum to remove air and any other gases present from the mold through one or more of the vacuum openings located at one or more of the sideport locations at least one of which being defined by the transverse axes;
- (c) introducing a binder into the mold through one or more of the sideport locations
- (d) introducing a binder into the mold through one or more binder openings in the mold, at least one of the vacuum or binder openings being defined by at least one of the transverse axes, said binder being introduced while maintaining communication with the vacuum source at the same time until the binder completely fills the spaces between each of the component parts of the ski;
- (e) curing the binder within the mold;
- (f) removing the final ski structure from the mold.
3 more elements
Dependencies are inferred from the claim text.