Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1990-01-19
1990-10-16
Swiatek, Robert P.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
A01K 103
Patent
active
049627295
ABSTRACT:
A shelter for pet animals is formed of a molded unitary polyethylene plastic shell having a concave interior surface defining a cavity for sheltering a pet animal. The structure of the shell is formed of a solidified foam core encased within a rigid skin. The pet animal shelter is fabricated by heating a charge of polyethylene plastic under pressure and releasing and dispersing a blowing agent, such as nitrogen gas, into the polyethylene charge. The charge is passed into a mold shaped in the form of a shelter for pet animals. Pressure is reduced on the polyethylene charge in the mold, thereby, allowing the blowing agent to expand the interior of the plastic charge to form a foam core encapsulated within a polyethylene skin. The pet animal shelter insulates the cavity enclosed therewithin from both heat and cold.
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Barreto Aurelio F.
Paxman Darrell R.
Lucchesi Nicholas D.
Swiatek Robert P.
Vance James R.
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