Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB20481/25A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pont a Mousson SA
Original Assignee
Founderies de Pont a Mousson SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Founderies de Pont a Mousson SAfiledCriticalFounderies de Pont a Mousson SA
Publication of GB246050ApublicationCriticalpatent/GB246050A/en
F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
Abstract
246,050. Soc. Anon. des Hauts- Fourneaux et Fonderies de Pont-a-Mousson. June 29,1925, [Convention date]. Jointing tubes to flat headers. -In an economizer wherein the headers 1, 2 are connected by tubes 3 having tapered ends 5 providing shoulders 6, the wedging-means at each end of all or some of the tubes consists of two semi-circular straps 7, 7<a> which are pressed upon the shoulder 6 by screws &c. 8, screwed in the header and extending through open slots 10 provided in said straps. The straps can thus be forced out of engagement with the shoulder in order to facilitate the replacement of worn-out tubes, without unscrewing the screws. The screws are protected by asbestos washers 9.
GB20481/25A1925-06-291925-08-14Improvements in joints for economisers
ExpiredGB246050A
(en)