Plant husbandry – Receptacle for growing medium – Method of using a plant receptacle
Patent
1976-03-12
1977-04-12
Bagwill, Robert E.
Plant husbandry
Receptacle for growing medium
Method of using a plant receptacle
264 451, 428 15, A01G 902
Patent
active
040166767
ABSTRACT:
A planter, and a method of forming the same having the configuration of a lump of earth and having an exterior surface formed of earthen material. The method includes the steps of forming a cavity in a volume of earthen material, maintaining a container in the cavity in spaced relation thereto, introducing a liquid form of rigid cellular polyurethane plastic into the spacing between the cavity and the container and allowing the polyurethane to cure whereby it expands throughout the confines of the spacing while adhering to the container and to a thin layer of the earthen material which forms the exterior surface of the planter. The top surface of the planter may also be coated with the liquid polyurethane and then pressed against a corresponding area of earthen material whereby the top surface of the planter will also consist of a thin layer of earthen material.
REFERENCES:
patent: 1762082 (1930-06-01), Shiraishi
patent: 2757841 (1956-08-01), Chapman
patent: 3373009 (1968-03-01), Pruitt et al.
patent: 3834072 (1974-09-01), Rack
patent: 3836619 (1974-09-01), Volent
Garden Pools, Fountains, & Waterfalls, 1965, Lane Books, Menlo Park, CA, pp. 10, 11, 27.
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