Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Reexamination Certificate
2002-11-15
2008-08-05
Hug, Eric (Department: 1791)
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
C160S900000, C160S904000, C442S270000, C442S271000
Reexamination Certificate
active
07407564
ABSTRACT:
A stratified press fabric for the press section of a paper machine includes a base fabric in the form of an endless loop. A first staple fiber batt material is attached to the outer side of the base fabric by needling. A fine fabric covers the first staple fiber batt material, and a second staple fiber batt material is attached to the fine fabric by needling. The fibers making up the second staple fiber material are finer, that is, of smaller diameter or denier, than the fibers making up the first staple fiber material. The fine fabric prevents the coarser fibers of the first staple fiber batt material from being needled therethrough to mix with the finer fibers of the second fiber batt material.
REFERENCES:
patent: 2165772 (1939-07-01), Walsh et al.
patent: 3392079 (1968-07-01), Fekete
patent: 3613258 (1971-10-01), Jamieson
patent: 3657068 (1972-04-01), Ivanowicz
patent: 3928699 (1975-12-01), Fekete
patent: 4162190 (1979-07-01), Ashworth
patent: 4283454 (1981-08-01), Buchanan
patent: 4427734 (1984-01-01), Johnson
patent: 4439273 (1984-03-01), Curry
patent: 4500588 (1985-02-01), Lundstrom
patent: 4503113 (1985-03-01), Smart
patent: 4781967 (1988-11-01), Legge et al.
patent: 4798760 (1989-01-01), Diaz-Kotti
patent: 4806413 (1989-02-01), Penven
patent: 4830905 (1989-05-01), Gulya et al.
patent: 4830915 (1989-05-01), Diaz-Kotti
patent: 4892781 (1990-01-01), Penven
patent: 5056565 (1991-10-01), Kufferath
patent: 5135802 (1992-08-01), Gstrein et al.
patent: 5232768 (1993-08-01), Eklund et al.
patent: 5360656 (1994-11-01), Rexfelt et al.
patent: 5945358 (1999-08-01), Marchand
patent: 6140260 (2000-10-01), Johnson et al.
patent: 6358369 (2002-03-01), Yoshida et al.
patent: 6514386 (2003-02-01), Watanabe
patent: 6712940 (2004-03-01), Crook
patent: 2002/0060045 (2002-05-01), Watanabe
patent: 2002/0166601 (2002-11-01), Best
patent: 38 00 278 (1988-03-01), None
patent: 2 315 499 (1998-02-01), None
patent: 2003-49381 (2003-02-01), None
patent: WO 03/071030 (2003-08-01), None
U.S. Standard Sieve Sizes.
Albany International Corp.
Frommer & Lawrence & Haug LLP
Hug Eric
Santucci Ronald R.
LandOfFree
Stratified press fabric does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Stratified press fabric, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Stratified press fabric will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4018350