Werner Brettschneider

DEVICE FOR CLEANING FIBROUS SUSPENSIONS FOR PAPER PRODUCTION

Screw element, and place of junction to rotate the screw

Dispersing device for fibrous material, has circular intermediate chambers formed between tooth series and are arranged such that tooth series is passed into intermediate chambers, and teeth including radially processed groove

Process for the releasable attachment of wearing parts in devices for treating suspended fiber stock

Screens for fibrous paper suspensions and process for making same

METHOD FOR THE PRODUCTION OF A SCREEN, PARTICULARLY A RIGID SCREEN, FOR THE TREATMENT OF FIBROUS MATERIAL SUSPENSIONS SUITABLE FOR THE PRODUCTION OF PAPER

Alloy for wear resistant tools for the mechanical treatment of cellulose fibers contains chromium and manganese, carbon, vanadium and molybdenum, silicon, niobium, nickel, phosphorus and sulfur, and a balance of iron

Alloy for making wear-resistant tools.

Process for making screens for cleaning of paper pulp

METHOD OF FORMING AND TREATING A FIBROUS SUSPENSION