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Патент USA US2410786

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Nov. 5, 1946.
’ ‘Filed sept'. 29., 1943
Patented Nov. 5, 1946
Gerald D. Mallory, Akron, Ohio, assignor to Wing
foot Corporation, Akron, Ohio, a corporation of
Application September 29, 1943, Serial No. 504,260
3 Claims. (01. 285—71)
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
l2 to the fabric 13. The ?exible ring in Fig.
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
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-)
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