Water-degradable bag
AssigneeSolubag SPA
InventorRoberto Astete Boettcher
Life of this patent
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Abstract
This invention relates to a water-degradable flexible bag for carrying goods purchased from retailers or wholesalers, and/or for packing consumer goods or hygienic products, comprised of at least two parallel walls bonded in their upper section by at least one sealing band in each side edge, a sealing band bonding the lower ends of the parallel walls and an opening at the end, opposite to the sealing band, wherein each of the parallel walls consists of a nonwoven polyvinyl alcohol resin fabric. In a different embodiment, the invention also relates to a water-degradable flexible gurney cover for covering patient care gurneys, wherein said gurney cover consists of a nonwoven polyvinyl alcohol resin fabric.
Claims14
A water-degradable flexible bag for carrying goods purchased from retailers or wholesalers, or packing of consumer goods or hygienic products, comprising:
- a first wall and a second wall parallel the first wall, each wall having an upper end, an upper section, a lower end, side edges, and an outer face, the first wall and the second wall being bonded together by at least one side sealing band on each of the side edges,
- a lower sealing band bonding the first wall to the second wall proximal the lower ends thereof,
- a region having a coarse texture for incorporating information thereupon located on at least one of the outer faces, and
- an opening located proximal to each upper end of each wall, opposite the lower sealing band,
- wherein the first wall, the second wall, the at least one side sealing band on each of the side edges, and the lower sealing band are formed from a material that consists of a nonwoven, meltblown fabric,
- wherein the nonwoven, meltblown fabric consists of a polyvinyl alcohol resin,
- wherein the polyvinyl alcohol resin is formed via polymerization of vinyl acetate to form a polymer and subsequent hydrolyzation of the polymer into an alcohol, and
- wherein each of the at least one side sealing band and the lower sealing band is provided by ultrasonic bonding.
Dependencies are inferred from the claim text.