Multilayer nonwoven fabric made with poly-propylene and polyethy

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

156220, 156290, 1563088, 428171, 428172, 428198, 428284, 428296, 428913, 604370, 604372, B32B 2700

Patent

active

046685669

ABSTRACT:
A nonwoven fabric is disclosed which comprises at least two layers of nonwoven web adjacent to and bonded to each other. Each web comprises a plurality of monofilaments of a thermoplastic material. In one of the webs, the thermoplastic material is polypropylene. In another of the layers, the thermoplastic material is polyethylene. Advantages of this combination of nonwoven webs comprising these polymers in layers in a multilayer nonwoven fabric are disclosed which include increased softness and tensile strength.

REFERENCES:
patent: Re31599 (1984-06-01), Rasen et al.
patent: 1786669 (1930-12-01), Manning
patent: 2121802 (1938-06-01), Kleist et al.
patent: 2188332 (1940-01-01), Carothers
patent: 2331945 (1943-10-01), Pazsiczky
patent: 2336743 (1943-12-01), Manning
patent: 2336745 (1943-12-01), Manning
patent: 2411660 (1946-11-01), Manning
patent: 2437263 (1948-03-01), Manning
patent: 2456922 (1948-12-01), Cogovan
patent: 2508462 (1950-05-01), Marshall
patent: 2522527 (1950-09-01), Manning
patent: 2604667 (1952-07-01), Hebeler
patent: 2620853 (1952-12-01), Boese
patent: 2644779 (1953-07-01), Manning
patent: 2688380 (1954-09-01), MacHenry
patent: 2810426 (1957-10-01), Till et al.
patent: 2825120 (1958-03-01), Smith
patent: 2861319 (1958-11-01), Breen
patent: 2945739 (1960-07-01), Lehmicke
patent: 3028623 (1962-04-01), Labino
patent: 3063454 (1962-11-01), Coates et al.
patent: 3109220 (1963-11-01), McKinney et al.
patent: 3109278 (1963-11-01), Gibson, Jr.
patent: 3117906 (1964-01-01), Tanner
patent: 3154836 (1964-11-01), Hoag, Jr. et al.
patent: 3164949 (1965-01-01), Pitzl
patent: 3219739 (1965-11-01), Breen et al.
patent: 3266969 (1966-08-01), Makansi
patent: 3297807 (1967-01-01), Settele
patent: 3303169 (1967-02-01), Pitzl
patent: 3314840 (1967-04-01), Lloyd et al.
patent: 3322607 (1967-05-01), Jung
patent: 3360421 (1967-12-01), Sands
patent: 3366722 (1968-01-01), Tessier
patent: 3379811 (1968-04-01), Hartmann et al.
patent: 3396071 (1968-08-01), Couzens
patent: 3402548 (1968-09-01), Wininger, Jr. et al.
patent: 3420235 (1969-01-01), Harmon
patent: 3441468 (1969-04-01), Siggel et al.
patent: 3492389 (1970-01-01), Port et al.
patent: 3502763 (1970-03-01), Hartmann
patent: 3508390 (1970-04-01), Bagnall et al.
patent: 3509009 (1970-04-01), Hartmann
patent: 3528129 (1970-09-01), Hartmann
patent: 3533904 (1970-10-01), Jurkiewitsch
patent: 3547763 (1970-12-01), Hoffman, Jr.
patent: 3554854 (1971-01-01), Hartmann
patent: 3630816 (1971-12-01), Parker
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3758373 (1973-09-01), Rich
patent: 3837995 (1974-09-01), Floden
patent: 3841953 (1974-10-01), Lohkamp et al.
patent: 3855045 (1974-12-01), Brock
patent: 3855046 (1974-12-01), Hansen et al.
patent: 3949127 (1976-04-01), Ostermeier et al.
patent: 3966519 (1976-06-01), Mitchell et al.
patent: 3968307 (1976-07-01), Matsui et al.
patent: 4013816 (1977-03-01), Sabee et al.
patent: 4039711 (1977-08-01), Newman
patent: 4041203 (1977-08-01), Brock et al.
patent: 4041689 (1977-08-01), Duncan et al.
patent: 4054709 (1977-10-01), Belitsin et al.
patent: 4078124 (1978-03-01), Prentice
patent: 4085175 (1978-04-01), Keuchel
patent: 4091140 (1978-05-01), Harmon
patent: 4100319 (1978-07-01), Schwartz
patent: 4107364 (1978-08-01), Sisson
patent: 4211816 (1980-07-01), Booker et al.
patent: 4287251 (1981-09-01), King et al.
patent: 4304234 (1981-12-01), Hartmann
patent: 4315965 (1982-02-01), Mason et al.
patent: 4333979 (1982-06-01), Sciaraffa et al.
patent: 4340563 (1982-07-01), Appel et al.
patent: 4350006 (1982-09-01), Okamoto et al.
patent: 4363845 (1982-12-01), Hartmann
patent: 4379192 (1983-04-01), Wahlquist
patent: 4405297 (1983-09-01), Appel et al.
patent: 4434204 (1984-02-01), Hartman et al.
patent: 4436780 (1984-03-01), Hotchkiss et al.
patent: 4469734 (1984-09-01), Minto et al.
patent: 4519798 (1985-05-01), Dinius
patent: 4537822 (1985-08-01), Nanri et al.
patent: 4598000 (1986-07-01), Mantarro
patent: 4605454 (1986-08-01), Sayovitz et al.
Scardino, Frank and Frank Ko, "Engineering Properties of Fibers for Nonwoven Fabrics", Nonwovens Industry, Apr. 83, pp. 18-22.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Multilayer nonwoven fabric made with poly-propylene and polyethy does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multilayer nonwoven fabric made with poly-propylene and polyethy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multilayer nonwoven fabric made with poly-propylene and polyethy will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-703135

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.