Footwear with last area sealing and method for its production
OwnerFranz Haimerlinventor
Life of this patent
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Abstract
Footwear is described that has an insole with an insole bottom; an upper which is constructed with an outer material and which has an end region on the sole side; and a waterproof upper functional layer, which lines at least partially the outer material on its inside and also has an end region on the sole side. The upper has a lasting margin area, in which the end region of the upper is adhered to the insole bottom by means of a lasting adhesive. An outsole is adhered to the lasting area bottom by means of an outsole adhesive. The lasting adhesive is a waterproof reactive hot melt adhesive.
Claims11
Footwear comprising:
- a) an insole with an insole bottom;
- b) an upper which is constructed with an outer material;
- c) a waterproof upper functional layer, which forms a part of the upper and at least partially lines the outer material of the upper on its inside, particularly in the end region of the upper;
- d) in which the upper has an end region in the lasting margin area which is adhered to the insole bottom;
- e) and an outsole which is adhered to the bottom of the lasted margin area;
- f) wherein the lasting adhesive is a reactive hot melt adhesive which is waterproof in the reacted state.
Method for production of footwear, that has:
- a) an insole with an insole bottom:
- b) an upper which is constructed with an outer material and has an end region on the sole;
- c) a waterproof shaft functional layer, which at least partially lines the outer material of the upper on its inside and has an end region on the sole side;
- d) in which the upper has a lasting region at its end;
- and
- e) an outsole;
- wherein the process comprises:
- f) adhering the upper end region to the insole bottom by means of lasting adhesive in which a reactive hot melt adhesive is used as lasting adhesive;
- g) adhering an outsole to the bottom.
Dependencies are inferred from the claim text.