Improvements in the Manufacture of Paper, Boards, Imitation Leather or Material for Packing, Insulating or other purposes.

Abstract

Abstract 4332. Jackson, H. Feb. 21. Pulp, preparation of; artificial leather; pulp, adding special substances to; electric insulating- paper.-Paper, paper-board, imitation leather, or material for packing, insulating, or similar purposes, is made by mixing paper pulp, unpulped, or partly pulped fibres, with a mechanically produced fibrous colloid or cellulose produced by the prolonged treatment of vegetable fibrous material in the apparatus described in Specifications 6019/11 and 12,933/11 or other suitable beating, pulping, or mixing machine. If gums, glues, rubber, or other colloids are added, a waterproof or pliable article may be produced. Fibrous vegetable matter rich in moisture or juices may be reduced without the addition of water.

Inventors

• 👤 Harold Jackson

Bibliographic Details