Manufacturing method for single-phase breather paper

• Main Author: GAO GUOYAN
• Format: Patent
• Language: Chinese; English
• Published: 10.04.2018
• Subjects: IMPREGNATING OR COATING OF PAPER; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The invention discloses a manufacturing method for single-phase breather paper. The method comprises the steps that one-dimensional paper is put in a perforating machine, only four fifths of a circleis formed for each hole, a membrane is continuously formed on the paper on each hole, meanwhile, holes are formed in protective paper, the protective paper is the same as the one-dimensional paper inpunching size, holes are also formed in supporting paper, and the diameter of holes in the supporting paper is larger than the aperture in the one-dimensional paper; the supporting paper is stuck to the front face of the one-dimensional paper, the center lines of the holes in the supporting paper are aligned to the center lines of the one-dimensional paper, then, the supporting paper is stuck to the back face of the one-dimensional paper, the center lines of the holes in the supporting paper are staggered with the center lines of the holes in the one-dimensional paper, and the supporting papershields some membranes; th