Constant temperature bath for laboratory use
First Claim
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1. A constant temperature bath for laboratory use containing a liquid and being capable of maintaining a laboratory container at a relatively constant temperature and possessing qualities of structural rigidity, relative low cost, and ease of manufacture, comprising:
- a rigid, self-skinning resin foam, one-piece integrally molded tank, said tank having an open upper end, sides, and a bottom; and
an inner and outer skin of closely packed reacted resin and an expanded reacted resin between said inner and outer skin;
liquid supply means connected to said tank for supplying a liquid;
overflow means disposed within said tank for allowing excess fluid to drain out of said tank without flowing over the top edge of the tank; and
heating means disposed in said tank for heating a liquid and maintaining said liquid at a constant temperature.
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Abstract
The specification discloses a constant temperature bath for laboratory use including a one-piece, molded, structural expanded foam tank and an apertured cover for supporting laboratory containers. A steam heating pipe is disposed within the tank as well as an overflow stand pipe. The tank includes a peripheral lip adapting the unit for flush mounting on a laboratory countertop. A plurality of cross sectionally Z-shaped rings are disposed within the cover apertures.
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Citations
9 Claims
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1. A constant temperature bath for laboratory use containing a liquid and being capable of maintaining a laboratory container at a relatively constant temperature and possessing qualities of structural rigidity, relative low cost, and ease of manufacture, comprising:
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a rigid, self-skinning resin foam, one-piece integrally molded tank, said tank having an open upper end, sides, and a bottom; and
an inner and outer skin of closely packed reacted resin and an expanded reacted resin between said inner and outer skin;liquid supply means connected to said tank for supplying a liquid; overflow means disposed within said tank for allowing excess fluid to drain out of said tank without flowing over the top edge of the tank; and
heating means disposed in said tank for heating a liquid and maintaining said liquid at a constant temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification