초록 ▼

A inflation device adapted to admit compressed gas to the interior of a balloon, and to seal that interior against the atmosphere after inflation, is comprised of a pair of circular disks in parallel alignment and in spaced relationship with respect to one another. The disks are rigidly affixed to a

A inflation device adapted to admit compressed gas to the interior of a balloon, and to seal that interior against the atmosphere after inflation, is comprised of a pair of circular disks in parallel alignment and in spaced relationship with respect to one another. The disks are rigidly affixed to a central shank which extends beyond one of the disks. The shank extension is bored with a passage, sealed at the far end thereof, which communicates with the annular space between the disks, by means of a radial orifice. The tubular neck of the balloon is stretched over the sealing disks, with the shank extension protruding from the opening in the balloon sheath. Upon pressurizing the passage in the shank with air or other inflating medium, that portion of the balloon stretched between the two disks distends, and permits the medium to enter the internal volume of the gas bag around the periphery of the inner disk.

대표청구항 ▼

A unitary inflation device for inflatable artifacts with integral tubular inflation nozzles of elastic fabric substantially impervious to a gaseous inflating medium, said unitary inflation device comprising: an elongated tubular shank with internal channel means open to one end thereof and closed at

A unitary inflation device for inflatable artifacts with integral tubular inflation nozzles of elastic fabric substantially impervious to a gaseous inflating medium, said unitary inflation device comprising: an elongated tubular shank with internal channel means open to one end thereof and closed at the other end; a plurality of planar sealing disks, rigidly affixed to said tubular shank and extending therefrom in substantially orthogonal planes, spaced one from another, with an innermost of said disk proximate to said other end of said shank; and orifice means diametrally piercing said shank intermediate between at least one pair of said sealing disks and adapted to convey said inflating medium from said channel means into the annular space defined between said pair of sealing disks by the stretching thereover of said tubular inflation nozzle of the inflatable artifact.