IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0628777
(2012-09-27)
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등록번호 |
US-8544206
(2013-10-01)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
175 |
초록
A growing medium includes a bulking agent and a water-retentive polymer blended together and compressed at a volume-to-volume ratio ranging from about 2:1 to about 10:1, being substantially free of a water-soluble binder material.
대표청구항
▼
1. A method of making a growing medium, comprising: providing a dehydrated bulking agent, including coir; andcompressing said dehydrated bulking agent, including coir, at a volume-to-volume ratio greater than about 3:1;wherein said compressed growing medium is not hydrophobic and maintains a compres
1. A method of making a growing medium, comprising: providing a dehydrated bulking agent, including coir; andcompressing said dehydrated bulking agent, including coir, at a volume-to-volume ratio greater than about 3:1;wherein said compressed growing medium is not hydrophobic and maintains a compressed shape without a water soluble binder until hydrated. 2. The method of claim 1, wherein said dehydrated bulking agent comprises less than 20% moisture content. 3. The method of claim 1, wherein said dehydrated bulking agent is compressed at a volume-to-volume ratio between 1:1 and 3:1; and blending said dehydrated bulking agent with a non-ionic surfactant or emulsifier. 4. The method of claim 1, further comprising forming said growing medium into a wafer, pellet, brick, slab, cube or triangle. 5. The method of claim 1, further comprising adding a fertilizer, nutrients, a pesticide, an insecticide, or a fungicide to said growing medium. 6. The method of claim 1, wherein said compressing further includes agitating said growing medium prior to said compression. 7. The method of claim 1, further comprising cooling said growing medium to between 20° C. and 25° C. during said compression of said dehydrated bulking agent. 8. The method of claim 1, wherein said growing medium is maintained below about 35° C. during said formation of said growing medium. 9. The method of claim 1, further comprising forming said compressed growing medium into an irregular shape. 10. The method of claim 1, further comprising adding seeds to said compressed growing medium. 11. A method of making a growing medium, comprising: dehydrating a ground coir bulking agent having a grind size between ⅛ inch mesh and 1 inch mesh to less than 20% moisture content;compressing said bulking agent at a volume-to-volume ratio ranging from about 5:1 to about 10:1;wherein said compressed bulking agent is free of a water soluble binder; andwherein said compressed bulking agent is maintained below about 35° C. during said formation of said growing medium. 12. The method of claim 11, wherein said ground coir comprises coir dust and short coir fibers. 13. The method of claim 12, further comprising grinding said coir to pass through a mesh screen ranging in size from between ⅛ of an inch to 1 inch. 14. The method of claim 11, further comprising forming said maintained compressed shape into an irregular shape. 15. The method of claim 12, wherein said irregular shape comprises a non-symmetrical shape. 16. The method of claim 12, further comprising forming said growing medium into a wafer, pellet, brick, slab, cube or triangle. 17. The method of claim 12, further comprising adding a fertilizer, a pesticide, an insecticide, a fungicide, or a non-ionic surfactant or emulsifier to said growing medium. 18. The method of claim 12, further comprising adding seeds to said compressed growing medium. 19. A method of making a growing medium including dehydrated coir having less than 18% moisture content, comprising: compressing said dehydrated ground coir bulking agent to a volume-to-volume ratio greater than 5:1; andforming said compressed growing medium into an irregular shape;wherein said compressed dehydrated ground coir bulking agent is free of a water soluble binder material, is not hydrophobic, and maintains said irregular compressed shape until hydrated. 20. The method of claim 19, further comprising blending said dehydrated coir with a non-ionic surfactant or emulsifier prior to said compression. 21. A method of making a growing medium, comprising: providing a dehydrated bulking agent, including coir; andcompressing said dehydrated bulking agent, including coir, at pressures of at least 7500 psi;wherein said compressed growing medium is not hydrophobic and maintains a compressed shape without a water soluble binder until hydrated. 22. A method of making a growing medium, comprising: providing a dehydrated bulking agent, including coir; andcompressing said dehydrated bulking agent, including coir, with sufficient pressure for said compressed growing medium to not be hydrophobic and maintain a compressed shape without a water soluble binder until hydrated.
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