A drainage member for use in promoting the drainage of water away from a substrate positioned adjacent the drainage member which includes an elongated, longitudinally extending base formed of a flexible material and having a plurality of outwardly extending projections. The projections are spaced fr
A drainage member for use in promoting the drainage of water away from a substrate positioned adjacent the drainage member which includes an elongated, longitudinally extending base formed of a flexible material and having a plurality of outwardly extending projections. The projections are spaced from one another to form drainage channels between the projections. The elongated base has a plurality of expansion zones formed of the flexible material and extending generally transversely of the longitudinal extent thereof, the expansion zones comprising a deformation of the flexible material that absorbs longitudinal expansion of such material when it is exposed to heat without any significant increase in the longitudinal length of the drainage member.
대표청구항▼
What is claimed is: 1. A drainage member for use in promoting the drainage of water away from a substrate positioned adjacent to said drainage member, said drainage member including an elongated, longitudinally extending base formed of a flexible material and having a plurality of longitudinally ex
What is claimed is: 1. A drainage member for use in promoting the drainage of water away from a substrate positioned adjacent to said drainage member, said drainage member including an elongated, longitudinally extending base formed of a flexible material and having a plurality of longitudinally extending drainage zones consisting of a plurality of outwardly extending projections, said projections being spaced from one another to form drainage channels between said projections, and said elongated base having a plurality of expansion zones formed of said flexible material and extending generally transversely of the longitudinal extent thereof, said expansion zones comprising a deformation of said flexible material that absorbs longitudinal expansion of such material when it is exposed to heat without any significant increase in the longitudinal length of the drainage member and being spaced a predetermined distance from one another in the longitudinal direction, said distance being substantially greater than the longitudinal extent of said drainage zones. 2. A drainage member as defined in claim 1, wherein said expansion zones are deformed into one or more grooves extending generally transversely to said longitudinal extent of said base portion. 3. A drainage member as defined in claim 2, wherein said grooves have an inverted u-shaped configuration. 4. A drainage member as defined in claim 1, wherein said expansion zones are deformed by a plurality of holes penetrating said base portion and extending along a line that is generally transverse to said longitudinal of said base portion. 5. A drainage member as defined in claim 4, wherein a sealing strip is secured to said drainage member to cover said plurality of holes and prevent water from passing therethrough. 6. A drainage member as defined in claim 1, wherein said expansion zones are deformed by a plurality of slots penetrating said base portion and extending along a line that is generally transverse to said longitudinal extent of said base portion. 7. A drainage member as defined in claim 6, wherein a sealing strip is secured to said drainage member to cover said plurality of slots and prevent water from passing therethrough. 8. A drainage member as defined in claim 1, wherein said expansion zones are deformed by reducing the thickness of the flexible material forming said base portion along a width that is generally transverse to said longitudinal extent of said base portion. 9. A drainage member as defined in claim 1, wherein said projections are generally cone shaped and extend perpendicularly away from said base portion. 10. A drainage member as defined in claim 9, wherein the extending ends of said projections are flat for supporting a substrate thereon. 11. A drainage member as defined in claim 1, wherein said deformation of said flexible material in said expansion zone weakens the structural integrity of said flexible material to permit said absorption of the expansion of said base. 12. A drainage member for use in conjunction with synthetic turf and the like, said drainage member including an elongated, longitudinally extending base formed of a thin, flexible plastic material, said base having drainage zones each comprising a plurality of cone-shaped projections protruding away from said elongated base and spaced from one another to form drainage channels between said projections, said cone-shaped projections have flat end portions for supporting said synthetic turf, and said elongated base having a plurality of expansion zones formed of the same flexible material as the rest of said base and extending generally transversely to the longitudinal extent of said base, said expansion zones comprising deformations of said flexible material that weaken the structural integrity of said flexible material in said expansion zones to accommodate and absorb longitudinal expansion and retraction of said drainage zones between said expansion zones and being spaced a predetermined distance from one another in the longitudinal direction, said distance being substantially greater than the longitudinal extent of said drainage zones. 13. A drainage member as defined in claim 12, wherein said expansion zones are deformed into one or more grooves extending generally transversely to said longitudinal extent of said base portion. 14. A drainage member as defined in claim 13, wherein said grooves have an inverted u-shaped configuration. 15. A drainage member as defined in claim 12, wherein said expansion zones are deformed by a plurality of holes penetrating said base portion and extending along a line that is generally transverse to said longitudinal of said base portion. 16. A drainage member as defined in claim 15, wherein a sealing strip is secured to said drainage member to cover said plurality of holes and prevent water from passing therethrough. 17. A drainage member as defined in claim 12, wherein said expansion zones are deformed by a plurality of slots penetrating said base portion and extending along a line that is generally transverse to said longitudinal extent of said base portion. 18. A drainage member as defined in claim 17, wherein a sealing strip is secured to said drainage member to cover said plurality of slots and prevent water from passing therethrough. 19. A drainage member as defined in claim 12, wherein said expansion zones are deformed by reducing the thickness of the flexible material forming said base portion along a width that is generally transverse to said longitudinal extent of said base portion. 20. A method of forming a drainage member comprising the steps of: a) providing a longitudinally extending flat base portion formed of flexible material; b) deforming said base portion to create a plurality of longitudinally extending drainage zones consisting of a plurality of projections extending away from said flat base portion in spaced relation to one another to form drainage channels between said projections; and c) deforming said base portion to form expansion zones extending generally transversely of the longitudinal extent of said base portion so that said expansion zones will absorb longitudinal expansion of such material when it is exposed to heat without any significant increase in the longitudinal length of the drainage member said expansion zones being spaced a predetermined distance from one another in the longitudinal direction, said distance being substantially greater than the longitudinal extent of said drainage zones. 21. A method of forming a drainage member as defined in claim 20 wherein said step of deforming said base portion to form expansion zones includes deforming said base portion into one or more grooves extending transversely to said longitudinal extent of said base portion. 22. A method of forming a drainage member as defined in claim 21, wherein said grooves are formed with an inverted unshaped configuration. 23. A method of forming a drainage member as defined in claim 20, wherein said step of deforming said base portion to form expansion zones includes creating a plurality of holes penetrating said base portion and extending along a line that is generally transverse to said longitudinal of said base portion. 24. A method of forming a drainage member as defined in claim 23, wherein said method includes the step of securing a sealing strip to said drainage member to cover said plurality of holes and prevent water from flowing therethrough. 25. A method of forming a drainage member as defined in claim 20, wherein said step of deforming said base portion to form expansion zones includes creating a plurality of slots penetrating said base portion and extending along a line that is generally transverse to said longitudinal extent of said base portion. 26. A method of forming a drainage member as defined in claim 25, wherein said method includes the step of securing a sealing strip to said drainage member to cover said plurality of slots and prevent water from flowing therethrough. 27. A method of forming a drainage member as defined in claim 20, wherein said step of deforming said base portion to form expansion zones includes reducing the thickness of said base portion along a width that is generally transverse to said longitudinal extent of said base portion.
McGuckin James P. (6032 E. Calle de Rosa Scottsdale AZ 85251) Bradfield Dean L. (5104 Caroli La. La Canada CA 91011) Foltz Raymond A. (27137 Rio Bosque Dr. Valencia CA 91355) Heidt H. James (2284 Wal, Combined drainage and waterproofing panel system for subterranean walls.
Brodeur Joseph Clement (Kendal Post Office Kendal ; Ontario CAX L0A 1E0 ) Von Stedingk Vicko M. (26 Donino Avenue Toronto ; Ontario CAX M4N 2W5 ) Siemonsen Mark E. (100 Rideau Street ; Unit 102 Oshaw, Earth drains.
Karmie, Kenneth Alan; Karmie, Dale Edwin; Karmie, Brian Andrew, Impermeable liner, substrate, and artificial grass surface for animals and human beings to walk thereon with hidden cleaning structure and method for use thereof.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.