摘要:
A multifunction apparatus for processing webs of fibrous and/or pliable material includes a tubular sleeve of an elastic material, a pair of discs supporting the tubular sleeve, a fixed shaft on which the discs are mounted such that their axis is inclinable to the axis of the sleeve, the end portions of the shaft extending beyond said discs, and a system moving the disc/sleeve system relative to the shaft.
摘要:
A method for dimensionally compensating webs of fibrous material, characterised by causing a base web (2) of pliable fibrous material, having a dry content between 3% and 80%, to adhere to an endless conveyor belt 4 of elastic material when this latter is in its unstressed condition, then subjecting said belt and the base web adhering thereto localized transverse stretching, starting from said unstressed condition, and to partial removal of the liquid content, and finally removing said base web from said belt before this latter has commenced its elastic return to said unstressed condition.
摘要:
A structurally modifiable flexible film characterised by comprising at least one flexible layer associated over at least a part of its area with a stiffening system consisting of at least one substance which is originally liquid but is subsequently thickened and further stiffened by administration of energy.
摘要:
A filmable material with selectively modifiable characteristics, characterised by comprising at least one matrix with which there are associated a plurality of different substances which can be selectively activated by administering energies of different types and/or levels, to modify the chemical-physical-structural and mechanical-optical characteristics of the material and/or of the product obtained from it.