Patent ID: 8815057
Filing Date: 2014-08-26
Classification: B23K,D21F,Y10T

Abstract:
1. A clothing for a paper machine, the clothing comprising: a belt having two side edges, each of said two side edges being configured as endless lines, said belt being formed from a single layer solid material formed by a polymeric material and a plurality of fillers embedded in said polymeric material, said polymeric material being one of polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyphenylene sulfide (PPS), polyether ether ketone (PEEK), polyimide (PI) and polyolefin and said plurality of fillers including at least one of particles and fibers, wherein a plurality of pores are arranged in said single layer solid material, said arrangement of said plurality of pores deviating from a uniform pattern such that a variation of a distance between every two immediately adjacent pores of said plurality of pores in a direction of rotation of said belt is at least 10% of an average distance between said plurality of pores in said direction of rotation and a maximum of approximately 60% of said average distance between said plurality of pores in said direction of rotation, said plurality of pores being configured to form a plurality of passages between a pair of opposing surfaces of said belt, said belt being one of a unidirectional film belt and a bidirectional film belt, said belt including a plurality of regions having a width of approximately 400 micrometers (μm) or less extending in a longitudinal direction over an entire circumference of said belt transversely to said two side edges, said plurality of regions including none of said pores.