Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent
1988-10-24
1989-10-24
Jones, Larry
Stoves and furnaces
Tool having fluid fuel burner
Soldering iron
126416, 126417, 4493, 4498, F24J 302
Patent
active
048754668
ABSTRACT:
A dome-shaped device usually four to five feet in diameter with a continuous channel section formed integrally around its perimeter. The device is of a unitary construction and is typically formed of a synthetic substance, such as polyethylene. The unique design of the device and particularly the density of the material comprising the device, enables it to be submersed just below the surface of the water to achieve a maximum stability. The unitary construction serves also to optimize the conduction process that is involved in the transfer of the solar energy through the walls of the device to heat the surrounding pool water. The channel section formed around the periphery of the device acts, in part, as a stabilizer to preclude against undesirable movements and sustain the degree of buoyancy necessary to maintain the unit in a submersed attitude without restricting its ability to freely bob up and down in the water. The channel section is also effective as a bumper for preventing one disc from slipping underneath another and, ultimately, interfering with the function of both. The device also includes a means for easy deployment and removal from the pool.
REFERENCES:
patent: 3984881 (1976-10-01), Gerlach
patent: 3984882 (1976-10-01), Forman et al.
patent: 4090496 (1978-05-01), Mallet
patent: 4146015 (1979-03-01), Acker
patent: 4222366 (1980-09-01), Acker
patent: 4366806 (1983-01-01), Acker
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