Backing fabrics for papermaking machine convering materials

• US 20040259449A1
• Filed: 08/16/2004
• Published: 12/23/2004
• Est. Priority Date: 09/10/2001
• Status: Abandoned Application

• Current Assignee: Bayer Faser Gmbh (Bayer AG)
• Original Assignee: Bayer Faser Gmbh (Bayer AG)
• Inventors: Onder de Linden, Thierry, Budenbender, Jurgen
• Application Number:
  US10/489,057
• Publication Number:
  US 20040259449A1
• Time in Patent Office: Days
• US Class Current: 442/181
• CPC Class Codes: B29B 17/00 Recovery of plastics or other constituents of waste material containing plastics; volume reduction of waste plastics, e.g. by mechanical compacting or melting disposal of solid waste B09B; chemical recovery C08J11/00
• CPC Class Codes: B29K 2277/00 Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as reinforcement
• CPC Class Codes: B29L 2031/7092 Conveyor belts
• CPC Class Codes: D03D 7/00 Woven fabrics designed to be resilient, i.e. to recover from compressive stress
• CPC Class Codes: D10B 2211/02 Wool
• CPC Class Codes: D10B 2331/02 polyamides D10B2331/08 takes precedence
• CPC Class Codes: D10B 2331/04 polyesters, e.g. polyethylene terephthalate [PET]
• CPC Class Codes: D21F 7/08 Felts
• CPC Class Codes: Y02W 30/62 Plastics recycling; Rubber recycling
• CPC Class Codes: Y10T 442/30 Woven fabric [i.e., woven strand or strip material]

Abstract

Backing fabric for paper machine felts, based on yarn made of polyamide 6 and polyamide 6.10, polyamide 6.11, polyamide 11 and/or polyamide 12.

Claims

1. Backing fabric for papermaking machine covering materials, having a base fabric which comprises combination twisted yarns of monofilaments of polyamide 6 and monofilaments of polyamide 6.10, in the warp direction.

3. Backing fabric according to claim 1, wherein the twisted yarns contain 1 to 20 monofilaments of polyamide 6 and 20 to 1 monofilaments of polyamide 6.10.

5. Backing fabric according to any one of claims 1 to 4, wherein said monofilaments of said base fabrics have a diameter of 0.08 to 0.3 mm.

7. Backing fabric according to claim 3, wherein said twisted yarns contain 1 to 6 monofilaments of polyamide 6 and 6 to 1 monofilaments of polyamide 6.10.

2. Backing fabric for papermaking machine covering materials, having a base fabric which comprises combination twisted fabrics of monofilaments of polyamide 6 and monofilaments of polyamide 6.12, polyamide 11 or polyamide 12 in the warp direction.

4. Backing fabric according to claim 2, wherein the twisted yarns contain 1 to 20, monofilaments of polyamide 6 and 20 to 1 monofilaments of polyamide 6.12, polyamide 11 or polyamide 12.

8. Backing fabric according to claim 4, wherein said twisted yarns contain 1 to 6 monofilaments of polyamide 6 and 6 to 1 monofilaments of polyamide 6.12, polyamide 11 or polyamide 12.

6. Process for the production of base fabrics of papermaking machine covering materials, which comprises forming a combination twisted yarn of polyamide 6 monofilaments with monofilaments of polyamide 6.10, polyamide 6.12, polyamide 11 or polyamide 12 and forming the warp of a base fabric with said combination twisted yarn.