Sheet material shrinkage apparatus
AssigneeRollin S.A.
InventorsGerard Rich, Gilbert Zimmerman
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Abstract
An exemplary sheet material shrinkage apparatus comprises an endless belt mounted on rotatable cylinders and disposed against a shrinkage cylinder, the belt comprising inward and outward elastomer layers having different elasticity properties.
Claims11
A fabric sheet shrinkage apparatus comprising:
- a shrinkage cylinder and an endless belt comprising inner and outer elastomer layers having a different modulus of elasticity between 0.1 and 10 MPa, said inner elastomeric layer disposed around three spaced-apart mounting cylinders and said outer elastomeric layer disposed against said shrinkage cylinder and having a greater modulus of elasticity than said inner elastomeric belt layer and forming a convex curvature in said belt against said shrinkage cylinder whereby a sheet of fabric, when introduced between said belt and cylinder when rotating together, is shrunken by the differential elasticity properties of said inner and outer elastomer belt layers against said shrinkage cylinder.
A sheet material shrinkage apparatus, comprising:
- a rotatably mounted shrinkage cylinder and an endless rotatably mounted belt comprising inner and outer elastomer layers having a modulus of elasticity in the range of 0.1-10 MPa, said inner elastomer layer and outer elastomer layer disposed against said shrinkage cylinder to form a convex curvature to sheet material introduced between said cylinder and belt, said outer elastomer layer having a greater modulus of elasticity than said inner elastomer layer and thereby having a greater deformation than said inner layer when said outer layer is disposed against said rotatably mounted shrinkage cylinder, whereby a sheet material introduced within the convex curvature is shrunken.
A sheet material shrinkage apparatus comprising a shrinkage cylinder and an endless belt having an inner elastomeric layer and an outer elastomeric layer, said outer layer having a greater modulus of elasticity than said inner layer, said belt having a rectangular cross-section, and said cylinder and endless belt each being rotatably mounted such that said belt outer layer is disposed against and forms a convex curvature with said shrinkage cylinder whereby a sheet material interposed between said belt and shrinkage cylinder is shrunken.
Dependencies are inferred from the claim text.