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Thermostated block with heat-regulating devices

  • US 7,074,367 B2
  • Filed: 07/22/2004
  • Issued: 07/11/2006
  • Est. Priority Date: 11/08/1996
  • Status: Expired due to Fees
First Claim
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1. A thermostated block for laboratory thermostats comprising;

  • a body of thermally conductive material and having a wells side with a plurality of wells for receiving a plurality of sample liquid-containing vials provided between opposite end sides of the body, and a contact side ex-tending opposite the wells side; and

    at least two heat regulating devices arranged one behind another in one direction for providing a temperature gradient in that direction across the tempering block and arranged at the contact side of the body in an area contact with the contact side;

    wherein the at least two heat regulating devices are operable at different temperatures in a first operation mode for providing the temperature gradient and are as well operable at same temperature in a second operation mode for providing uniform temperature in the block, and wherein the thermostated block comprises at least two heat regulating devices arranged one behind another in a direction transverse to the one direction for providing the temperature gradient.

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