Nov. 5, 1946. G. D. MALLORY 2,410,786 JOINT FOR PRESSURE SUITS ’ ‘Filed sept'. 29., 1943 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\vm m _ M Wang 2,410,786 Patented Nov. 5, 1946 UNITED STATES PATENT OFFICE 2,410,786 JOINT FOR PRESSURE SUITS Gerald D. Mallory, Akron, Ohio, assignor to Wing foot Corporation, Akron, Ohio, a corporation of Delaware Application September 29, 1943, Serial No. 504,260 3 Claims. (01. 285—71) 1 2 9. The assembly may be further consolidated, if This invention relates to a pressure suit such desired, by covering the area of the junction of as is worn by an aviator at high altitudes or by the members with a wide rubber band which is a diver. Such suits are expensive, and the pres slipped on under tension. ent suits must be tailored to the wearer. Accord The rings may be molded of hard or soft rub ing to this invention, such a suit is provided with her with a metallic core, and the suit fabric may so-called disconnects, which are disconnectable then be spliced to the rings and may be adhered members for the arms, and legs. These discon thereon by vulcanization or by a suitable adhesive. nectable members may be of different lengths, Fig. 3 shows a hard rubber ring H cemented and the hands or feet may be of di?erent sizes at l2 to the fabric 13. The ?exible ring in Fig. 10 to fit different prospective wearers. By their use, 4 is made of three turns of the cable Ill, which any one suit may be ?tted to persons of different is designed primarily to replace tire cord in a sizes. This is, obviously, a desirable economy. wire pneumatic tire. It is cemented at I5 to the According to this invention, the disconnectable fabric H5. The cement l2 and. I5 may be a curable member and the portion of the suit to which it is to be attached are ?tted with a pair of rings, 15 rubber cement. The fabrics l3 and I6 and the ?ipper ll maybe of rubber fabric. These various one of which may be slipped inside of the other, elements are preferably united by assembling in the opening at the arm or leg being ?tted with the uncured condition and then curing. one of the rings and the disconnectable member To accommodate wearers of different sizes, a being ?tted with the other. The invention will be further described in connection with the ac 20 series of disconnectable members 2, each of dif ferent lengths, is provided, and the disconnect companying drawing, Fig. 1 illustrates, in sec» able legs may comprise a series to which boots tion, the manner of interlocking the disconnect of different sizes are attached. By means of able member with the opening in the suit. Fig. 2 simple disconnects of this type, it is possible to is an end View of Fig, 1. Figs. 3 and 4 show an alternative method of attaching the interlocking 25 lengthen or shorten the arms and legs of a suit and select a boot of the proper size Without tailor rings to the fabric. ing the complete suit to the wearer. The pressure suits are ordinarily made of fab On in?ation, as the suit portion and discon ric which is coated with rubber or other suitable nectable member are placed under tension, the plastic. The stub end of an arm or leg is indi rings 3 and ‘i will be drawn together to form a cated at l in the drawing, and the disconnect tight seal. The seal is tight enough to prevent able member is indicated by the reference nu any appreciable escape of air. . meral 2. Alternatively, the disconnectable What I claim is: member might be the section indicated by the 1. In a pressure suit, a joint structure be numeral l, and the stub end of the arm or leg tween a disconnectable member and the stub of might be the section indicated by the numeral 2. a limb member of a suit which comprises a flex One end of the disconnectable member 2 is hand ible substantially inextensible ring and a rigid ed to a rigid ring 3, which may be metal, hard ring, one attached to the stub member and the rubber or the like. The convenient manner of other to the disconnectable member, the inside doing this is to overlap the end ll of the fabric diameter or the ?exible ring being smaller than around the ring before vulcanizing and then, on the outside diameter of the rigid ring, and a sub vulcanizing, bond the overlapping portions of stantially cylindrical ?ange portion on the rigid the fabric together to enclose the ring 3. ring against which the flexible ring engages after, The ?exible, but inextensible, ring 1 is united the rigid ring has been inserted in the ?exible to the stub end of the arm or leg i. This is pref ring, said flange portion operating to bring the erably done by bringing the arm or leg fabric up two rings in substantially coaxial and juxtaposed over the ring and vulcanizing the overlapped end relation, thereby forming a ?uid-tight connection 8 to the main portion of the fabric. As shown, between the par-ts. _ this ring is made of ?exible wire cable. 2. In a pressure suit, a ?uid-tight joint struc The diameters of the rings are such that when the rigid ring 3 is slipped through the ?exible 50 ture between a disconnectable member and the stub of a limb member of a suit which comprises ring ‘I, as shown in the drawing, and the two are a ?exible substantially inextensible ring attached brought together, as illustrated, the ?exible ring to the stub portion and a rigid ring on the dis looks over the rigid one and gives a strong gas connectable member, the inside diameter of the tight seal. This is most easily accomplished if the ring 3 is provided with the cylindrical flangeL 55 flexible ring being smaller than the outside di 3 2,410,786. 4 ameter of the rigid ring, Wedge means carried by stantially rigid ring disposed adjacent the end of the rigid .ring coacting with the ?exible ring to the other of said conduits to be interconnected, retain said rings in assembled relation. said rigid ring embodying an annular bead por 3. A ?uid-tight connection for detachably con tion and means guiding said ?exible ring into necting tubular fabric conduits comprising a ?ex 5 ‘position against said bead portion when the con ible substantially inextensible ring disposed ad duits are interconnected. jacent the end of one of said conduits, and a sub-) GERALD D. MAILORY.