for one operative package and one or more reserve packages

Full Title

Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out (winding B65H54/00; bobbins, tubes or other cores for packages B65H75/00) > Methods or apparatus in which packages do not rotate > Package-supporting devices > for one operative package and one or more reserve packages

Child Classifications

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• B65H 49/12 the reserve packages being mounted to permit manual or automatic transfer to operating position