Patent ID: 8241465
Filing Date: 2012-08-14
Classification: D21F

Abstract:
1. An endless press felt for use in one of a paper machine, cardboard machine and tissue machine, said endless press felt comprising: an open, load-carrying base structure, said base structure having a first end and a second end when viewed in a longitudinal direction of the press felt, said first end including first seam loops and said second end including second seam loops, said first seam loops being configured to be intermeshed with said second seam loops to form a pass through opening; a pintle configured to be guided through said pass through opening; a machine side fibrous nonwoven structure positioned on said base structure, said machine side fibrous nonwoven structure having one end section and a second end section when viewed in said longitudinal direction, wherein when viewed in said longitudinal direction said first seam loops and said second seam loops extend at least partially over said first section and said second section; and an elastomeric polymer material comprised of one of a polymer and a pre-polymer which is added in liquid form into the press felt and subsequently one of solidified and cured, said elastomeric polymer extending in at least one of said first end section and said second end section from said machine side fibrous nonwoven structure into said base structure and said elastomeric polymer not extending to said pass through opening.