Low cost, absorbent, clinging, aqueous liquid barrier protective covering

• US 3,916,447 A
• Filed: 04/24/1972
• Issued: 11/04/1975
• Est. Priority Date: 04/24/1972
• Status: Expired due to Term

• Current Assignee: Lenore E. Thompson
• Original Assignee: Lenore E. Thompson
• Inventors: Thompson, Lenore E.
• Primary Examiner(s): Lesmes, George F.
• Assistant Examiner(s): Cannon, J.
• Application Number:
  US05/247,116
• Time in Patent Office: 1,289 Days
• Field of Search: 2/46,49R 5/335 161/79,82,150,152,156,169,170,249,250 128/132D,284,287,29W,296 297/219,220,227
• US Class Current: 2/46
• CPC Class Codes: A41B 13/10 Bibs
• CPC Class Codes: A41B 2400/52 disposable
• CPC Class Codes: A47C 31/113 liquid-impermeable
• CPC Class Codes: A47G 11/002 comprising means for attaching to a diner's clothing separate holding devices A47G21/165
• CPC Class Codes: B32B 2262/062 Cellulose fibres, e.g. cotton
• CPC Class Codes: B32B 2555/02 Diapers or napkins
• CPC Class Codes: B32B 2601/00 Upholstery
• CPC Class Codes: B32B 5/26 another layer next to it also being fibrous or filamentary relative arrangement of fibres or filaments of different layers B32B5/12
• CPC Class Codes: D04H 1/425 Cellulose series
• CPC Class Codes: D04H 1/4291 Olefin series
• CPC Class Codes: D04H 1/4374 using different kinds of webs, e.g. by layering webs
• CPC Class Codes: D04H 1/43838 Ultrafine fibres, e.g. microfibres
• CPC Class Codes: Y10S 428/906 Roll or coil
• CPC Class Codes: Y10T 428/3179 Next to cellulosic
• CPC Class Codes: Y10T 428/3188 Next to cellulosic
• CPC Class Codes: Y10T 428/31895 Paper or wood
• CPC Class Codes: Y10T 442/50 FELT FABRIC

Abstract

A protective covering is disclosed having at least one layer of synthetic polymeric microfibers bonded to at least one other layer of cellulosic fibers. The exposed microfibers exhibit a tendency to cling to other natural fibers found in clothing or other webs, while the exposed cellulosic fibers present an absorbent surface. The combination is a soft, flexible, aqeuous liquid-barrier web useful as a dinner napkin, bib, furniture cover, or the like.

Claims

1. IN COMBINATION, A FABRIC GARMENT CONTAINING NATURAL FIBERS AND A PROTECTIVE COVER ATTACHED TO SAID FABRIC GARMENT, THE IMPROVEMENT WHEREIN SAID PROTECTIVE COVER IS OF INTERBONDED, MULTI-LAYER CONSTRUCTION HAVING AS A FIRST SURFACE IN CONTACT WITH SAID GARMENT, A LAYER SUBSTANTIALLY COMPOSED OF GENERALLY DISCONTINUOUS, THERMOPLASTIC, HYDROPHOBIC MICROFIBERS HAVING AN AVERAGE FIBER DIAMETER OF FROM ABOUT 2 MICRONS TO ABOUT 6 MICRONS AND A BASIS WEIGHT IN THE RANGE OF FROM 0.5 TO 30 GRAMS PER SQUARE METER AND, AS AN EXPOSED SECOND SURFACE, A LAYER HAVING A BASIS WEIGHT OF FROM ABOUT 10 TO 60 GRAMS PER SQUARE METER SUBSTANTIALLY COMPOSED OF ABSORBENT CELLULOSIC FIBERS, SAID PROTECTIVE COVER HAVING AQUEOUS BARRIER PROPERTIES AND A TENDANCY TO CLING TO SAID FABRIC GARMENT AND RESIST DISPLACEMENT DURING NORMAL USE.

2. IN COMBINATION, AN ARTICLE OF FURNITURE HAVING A FABRIC OUTER MATERIAL CONTAINING NATURAL FIBERS AND A PROTECTIVE COVER ATTACHED TO SAID FABRIC, THE IMPROVEMENT WHEREIN SAID PROTECTIVE COVER IS OF INTERBONDED, MULTI-LAYER CONSTRUCTION HAVING AS A FIRST SURFACE IN CONTACT WITH SAID FABRIC, A LAYER SUBSTANTIALLY COMPOSED OF GENERALLY DISCONTINUOUS, THERMOPLASTIC, HYDROPHOBIC MICROFIBERS HAVING AN AVERAGE FIBER DIAMETER OF FROM ABOUT 2 MICRONS TO ABOUT 6 MICRONS AND A BASIS WEIGHT IN THE RANGE OF FROM 0.5 TO 30 GRAMS PER SQUARE METER AND, AS AN EXPOSED SECOND SURFACE, A LAYER HAVING A BASIS WEIGHT OF FROM ABOUT 10 TO 60 GRAMS PER SQUARE METER SUBSTANTIALLY COMPOSED OF ABSORBENT CELLULOSIC FIBERS, SAID PROTECTIVE COVER HAVING AQUEOUS LIQUID BARRIER PROPERTIES AND A TENDANCY TO CLING TO SAID FABRIC AND RESIST DISPLACEMENT DURING NORMAL USE.