Device for fleshing, stretching and drying leather or similar flat materials such as skins, furs and such like
OwnerBohumil Stupeckyinventor
Life of this patent
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Abstract
The invention relates to a device for fleshing, stretching and drying leather or similar flat materials such as skins and furs. The device consists of movable lamellae which can be extended from the center outwards and which under vacuum and the cooperation of a pressing device provides a smooth, gliding heatable contact surface on which the stretched and fixed piece of leather is simultaneously dried thereby minimizing any frictional forces encountered when stretching leather in a vacuum. Moisture is evacuated through channels, raised areas, perforations in one of the lamellae thereby improving the stretching effect and uniformity of the stretched leather across its entire surface without wrinkling.
Claims19
A device for the dewatering, stretching and drying of leather, similar flat materials and pieces thereof, having an interstice, sealed by a gasket and connected to a vacuum source for the leather piece and consisting of a support surface, above which lamellae are mounted with a drive mechanism to deploy said lamellae outwards from the centre, and a contact pressure device of a stretchable membrane connected to a separate stretching mechanism, whereby the lamellae can be deployed outwards by a circular movement around a fixed pin.
A device for the dewatering, stretching and drying of leather, similar flat materials and pieces thereof, having an interstice, sealed by a gasket and connected to a vacuum source for the leather piece and consisting of a support surface, above which lamellae are mounted with a drive mechanism to deploy said lamellae outwards from the center, and a contact pressure device of a stretchable membrane connected to a separate stretching mechanism, whereby the lamellae can be deployed outwards by a circular movement around a fixed pin wherein the support surface is smooth with low friction, consists of a material with high thermal conductivity and is heated by thermal energy in the form of hot water, oil or another medium wherein the stretchable membrane possesses channels, nubs, perforations and the like for the drainage of moisture from the leather.
A device for the dewatering, stretching and drying of leather, similar flat materials and pieces thereof, having an interstice, sealed by a gasket and connected to a vacuum source for the leather piece and consisting of a support surface, above which lamellae are mounted with a drive mechanism to deploy said lamellae outwards from the center, and a contact pressure device of a stretchable membrane connected to a separate stretching mechanism, whereby the lamellae can be deployed outwards by a circular movement around a fixed pin wherein the contact pressure device possesses a stretchable membrane, fitted with a stretching mechanism, that presses the leather piece against the lamellae on the support surface wherein the stretchable membrane possesses channels, nubs, perforations and the like for the drainage of moisture from the leather.
Dependencies are inferred from the claim text.