Refrigeration – Utilizing solar energy
Patent
1988-09-19
1989-03-28
King, Lloyd L.
Refrigeration
Utilizing solar energy
62 56, A63C 1910
Patent
active
048153010
ABSTRACT:
A portable ice skating rink comprising a liner having end portions capable of being raised to an essentially rectangular position in relation to the liner and at least the end portions being inflatable, and rink blocks having a main body containing a cavity capable of receiving the end portions of the liner through a slotted opening, and when inflated the end portions pressing against the sides of the cavity thus forming a watertight seal, and means for interconnecting the rink blocks.
REFERENCES:
patent: 2996896 (1961-08-01), Johnson
patent: 3012596 (1961-12-01), Skolout
patent: 3379031 (1968-04-01), Lewis, Jr.
patent: 3721418 (1973-03-01), Vincent
patent: 3808831 (1974-05-01), Landry
patent: 3933002 (1976-01-01), Vickery
Hirtler F. R.
King Lloyd L.
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