Method of mechanical softening of sheet material

Details Method of mechanical softening of sheet material Method of mechanical softening of sheet material

2006-09-26

2006-09-26

Mayes, Dionne W. (Department: 1731)

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

C162S116000, C451S028000

Reexamination Certificate

active

07112257

ABSTRACT:
New and improved methods and products are disclosed relating to softness of fibrous webs. Increased softness, among other things, is obtained by abrading the surface of the web to create fuzziness from protruding fibers.

REFERENCES:
patent: 2708303 (1955-05-01), Walton et al.
patent: 2761490 (1956-09-01), Walton
patent: 2950223 (1960-08-01), Bletzinger et al.
patent: 3066046 (1962-11-01), Walton
patent: 3101520 (1963-08-01), George et al.
patent: 3112632 (1963-12-01), Walton
patent: 3132502 (1964-05-01), Walton
patent: 3168307 (1965-02-01), Walton et al.
patent: 3168308 (1965-02-01), Walton et al.
patent: 3197791 (1965-08-01), Walton
patent: 3220056 (1965-11-01), Walton
patent: 3220057 (1965-11-01), Walton
patent: 3260778 (1966-07-01), Walton
patent: 3301746 (1967-01-01), Sanford et al.
patent: 3337388 (1967-08-01), Wosaba II
patent: 3356237 (1967-12-01), Walton
patent: 3369803 (1968-02-01), Walton et al.
patent: 3389906 (1968-06-01), Walton
patent: 3406961 (1968-10-01), Walton
patent: 3406966 (1968-10-01), Walton
patent: 3426405 (1969-02-01), Walton
patent: 3476119 (1969-11-01), Walton
patent: 3531103 (1970-09-01), Walton
patent: 3563623 (1971-02-01), Walton
patent: 3592026 (1971-07-01), Walton
patent: 3592732 (1971-07-01), Wand
patent: 3683559 (1972-08-01), Kalwaites
patent: 3869768 (1975-03-01), Walton et al.
patent: 3910287 (1975-10-01), Walton
patent: 3975806 (1976-08-01), Walton et al.
patent: 3994771 (1976-11-01), Morgan et al.
patent: 4142278 (1979-03-01), Walton et al.
patent: 4300981 (1981-11-01), Carstens
patent: 4627849 (1986-12-01), Walton et al.
patent: 4641827 (1987-02-01), Walton et al.
patent: 4645193 (1987-02-01), Walton et al.
patent: 4748923 (1988-06-01), Walton et al.
patent: 4785644 (1988-11-01), Walton et al.
patent: 4806300 (1989-02-01), Walton et al.
patent: 4859169 (1989-08-01), Walton et al.
patent: 4892298 (1990-01-01), Walton et al.
patent: 4894196 (1990-01-01), Walton et al.
patent: 4921643 (1990-05-01), Walton et al.
patent: 5060349 (1991-10-01), Walton et al.
patent: 5117540 (1992-06-01), Walton et al.
patent: 5149332 (1992-09-01), Walton et al.
patent: 5180471 (1993-01-01), Sauer et al.
patent: 5607551 (1997-03-01), Farrington, Jr. et al.
patent: 5752300 (1998-05-01), Dischler
patent: 1146396 (1983-05-01), None
patent: 595821 (1977-10-01), None
patent: 595 821 (1978-02-01), None
patent: 1 117 731 (1968-06-01), None
US 5,495,647, 03/1996, Walton et al. (withdrawn)
Office Action from corresponding Canadian Application No. 2,248,727, dated Jan. 17, 2005, 5 pages.

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