1976-11-10
1978-05-30
Richman, Barry S.
21109, 30443, 43125, 47 58, 47DIG10, A61L 904, A61L 300, A01M 1300, B26F 132
Patent
active
040921123
ABSTRACT:
A kit for soil fumigating a seed or seedling bed which includes one or more thin-walled metal cans containing volatile fumigant and a device for puncturing the sidewall of the one or more thin-walled metal cans while under a polymeric film tarpaulin covering the seed bed. The puncturing device is a generally U-shaped bent strip of sheet metal having a substantially flat base portion and an arm portion projecting from each end of the base portion with a sharp pointed prong portion formed from the base portion and projecting therefrom about midway the ends of the base portion and in the same general direction as the substantially parallel arm portions. The base portion is long enough to space the arms apart to receive a can to be punctured, preferably in slidable frictional relation, and the arms are long enough to engage the can. The kit preferably includes a planar support element such as a piece of wooden board. It is also highly desirable to include a substantially sealable plastic bag enclosing the can and puncturing device.
REFERENCES:
patent: RE18799 (1933-04-01), Lichtig
patent: 1652269 (1927-12-01), Bremner
patent: 1827679 (1931-10-01), Stuart
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patent: 2092634 (1937-09-01), Binns
patent: 2244341 (1941-06-01), Maclean
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patent: 2596892 (1952-05-01), Eckmayer
patent: 2671960 (1954-03-01), Rudd
patent: 2984939 (1961-05-01), Russell
patent: 3096148 (1963-07-01), Walker
patent: 3538866 (1970-11-01), Gains
patent: 3678578 (1972-07-01), Patton et al.
Calkins James Stewart
Nilsen Alfred
Richman Barry S.
Schilling Edward E.
The Dow Chemical Company
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