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Expired
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Carl Theodor Doerr
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Individual
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Individual
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Publication of GB190115516ApublicationCriticalpatent/GB190115516A/en
Filling Or Emptying Of Bunkers, Hoppers, And Tanks
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Abstract
15,516. D÷rr, C. T. July 31. Bulkhead doors.-Relates to improvements in the opening and closing apparatus described in Specifications No. 23,584, A.D. 1896, and No.17,917, rl.D. 1897. The connections between the reservoir C and the operating-cylinder B<1> are controlled by two three - way cocks or valves h, h<1>, which are manipulated by one lever. As shown in Fig. 2, a single pipe B from the reservoir may have a short branch B<0> leading to one cock or valve. The two cocks or valves may be in one casting.
GB190115516D1901-07-311901-07-31Improvements in Means for Operating Bulk-head Doors and the like.
ExpiredGB190115516A
(en)