US 12,188,582 B2
Tubular irrigation device and method of making the same
Carlos Plata, Barranquilla (CO)
Assigned to Silverpack, LLC, Clarksdale, MS (US)
Appl. No. 17/765,959
Filed by Silverpack, LLC, Clarksdale, MS (US)
PCT Filed Oct. 1, 2020, PCT No. PCT/US2020/053712
§ 371(c)(1), (2) Date Apr. 1, 2022,
PCT Pub. No. WO2021/071730, PCT Pub. Date Apr. 15, 2021.
Claims priority of provisional application 62/913,300, filed on Oct. 10, 2019.
Prior Publication US 2022/0307628 A1, Sep. 29, 2022
Int. Cl. F16L 11/08 (2006.01); B29C 48/00 (2019.01); B29C 48/09 (2019.01); B29C 48/21 (2019.01); B29D 23/00 (2006.01); B32B 1/08 (2006.01); B32B 5/02 (2006.01); B32B 5/24 (2006.01); B32B 27/32 (2006.01); B29K 23/00 (2006.01); B29K 623/00 (2006.01); B29L 23/00 (2006.01); B32B 7/12 (2006.01); F16L 11/04 (2006.01)
CPC F16L 11/085 (2013.01) [B29C 48/0021 (2019.02); B29C 48/09 (2019.02); B29C 48/21 (2019.02); B29D 23/001 (2013.01); B32B 1/08 (2013.01); B32B 5/024 (2013.01); B32B 5/24 (2013.01); B32B 27/32 (2013.01); B29K 2023/083 (2013.01); B29K 2623/06 (2013.01); B29K 2623/12 (2013.01); B29K 2713/00 (2013.01); B29L 2023/22 (2013.01); B32B 7/12 (2013.01); B32B 2262/0253 (2013.01); B32B 2597/00 (2013.01); F16L 2011/047 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A tubular irrigation device comprising a multilayer polymeric sheet, wherein the polymeric sheet comprises an outer layer and an inner layer;
the outer layer comprises one or more layers of a woven polymeric thermoplastic material selected from polypropylene and polyethylene;
the inner layer comprises a multilayer polymeric thermoplastic film having at least one adhesive layer and one or more waterproof layers;
wherein the one or more waterproof layers are selected from a polypropylene or polyethylene film; and
the adhesive layer comprises one or more layers of a thermoplastic polymeric material selected from a multilayer extruded film of polyethylene and EVA resin, an extruded copolymer blend of polyethylene and polypropylene, and an extruded polyethylene polymer blend.