Pressure vessel and method of making same

1,134,033. Method of making pressure vessels. STRUCTURAL FIBERS Inc. 6 June, 1966, No. 25043/66. Heading B8G. [Also in Division F4] A method of producing a pressure vessel comprises the provision of an inflatable bladder, surrounding the bladder with reinforcing strands impregnated with a heat curab...

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1. Verfasser:	BRUSSEE RICHARD C
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS FLYING SUITS HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MECHANICAL ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PARACHUTES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING STORING OF DISTRIBUTING GASES OR LIQUIDS TRANSPORTING VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	1,134,033. Method of making pressure vessels. STRUCTURAL FIBERS Inc. 6 June, 1966, No. 25043/66. Heading B8G. [Also in Division F4] A method of producing a pressure vessel comprises the provision of an inflatable bladder, surrounding the bladder with reinforcing strands impregnated with a heat curable material, inflating the bladder to a degree causing the reinforcing strands to be tensioned, and then heating the resulting body to cure the impregnating material. In Fig. 4 the bladder 16 is partially inflated and passed through the plates 40, 41 to cause a plurality of meridional laid strands 35 to be applied to the bladder in the manner shown. The strands are secured as at 48 to each end of the bladder. A plurality of such passes may be made. Hoop windings may also be applied either directly on to the meridional strands 35 or in a preformed tube into which the body is slid. The strands are impregnated with said heat curable material before or after winding, the bladder 16 is inflated to a predetermined pressure, and the whole is then heated to cause the impregnating material to be cured. The Specification describes embodiments in which the meridional strands 35 are replaced by helical windings. Substantially spherical shaped embodiments are also described. Fig. 8 shows a vessel 70 made by the invention. An end fitting 76 is secured to one end of the bladder 75 and the opposite end (not shown) is provided with a conduit that may be connected to a fluid source under pressure. Longitudinal strands 77 are applied as described with reference to Fig. 4 and tied to the fitting 76 by a cord or wire 78. A cord or wire 79 is wrapped circumferentially around the bladder to secure the strands 77 in position. A hoop wound shell 80 is then telescoped over the bladder 75. A rim 82 of metal, plastics or other suitable material may be used for securing a cover, not shown, over the open end of the vessel. The strands 77, 80 are impregnated before or after application to the bladder. The bladder is then inflated and subjected to heat curing.