Method for the production of a water-absorbing web-shaped material
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Production of fibres containing super-absorber, e.g. for hygiene products, involves co-extruding a mixture of super-absorber and thermoplastic polymer with another thermoplastic to form bi-component filaments
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Process for producing a matrix with cavities and device with such a matrix
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Drive for rotary pneumatic or hydraulic pump - has pump shaft with detachable couplings for two separate power sources
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Gas or fluid conduit cut-off tap - comprised holed flange with sealing cap and holed rotating disc
