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637,693
upper where the cement about the former has not sufficiently hardened to support it, as indicated in Fig. 1. The process above outlined is continued till the bottom of the 5 well is reached, the hangers 13 and 16 being successively lowered as a new mold is secured in position. It will thus be seen that according to my invention new cement wells may be made or io old wells may be cemented in a simple, expe- ditious, and economical manner. Having thus fully described my invention, what I claim as new is- The herein-described apparatus for cement- 15 ing wells comprising a series of molds sup- ported one above the other, a series of hang-
ers having opposite hooked ends engaging, respectively, over the top edge of one mold and the bottom edge of the mold next below it and brackets having hangers provided with 20 hooked ends engaged over the top edge of said last-named mold, whereby said brackets are supported therefrom, substantially as de- scribed and for the purpose set forth. In testimony whereof I have hereunto set 25 my hand in presence of two subscribing wit- nesses. his AUGUST x BACA. mark Witnesses: " VACLAV PAZDRAL, METHOD PAZDRAL.