Fishing – trapping – and vermin destroying – Fishing
Patent
1989-01-17
1989-07-11
Crosby, Gene P.
Fishing, trapping, and vermin destroying
Fishing
A01K 9701
Patent
active
048458759
ABSTRACT:
A removable inflatable device for temporarily plugging holes in an ice layer for assisting fishermen in maintaining or preserving a previously formed hole in the ice layer during periods of absence when the hole is left unattended. The inflatable device includes a hollow generally cylindrical tubular assembly with an inflatable bladder forming the core, and having a plurality of discrete layers enclosing the inflatable core which include a foam liner enclosing the bladder and an outer sleeve disposed over and firmly enclosing the foam liner and inflatable bladder. The foam liner comprises a layer of synthetic resinous foam with a generally closed-cell structure, and is wrapped about the exterior of the bladder so as to form an overlapped segment along the axial length of the bladder. The outer sleeve is fabricated from a layer of generally non-resilient and water-impermeable material, and has a diameter which is less than the diameter of the bladder when freely inflated, the arrangement being such that the tubular assembly becomes generally erect and rigid upon inflation of the bladder core so as to permit introduction and partial submersion of the assembly when introduced into the hole in the ice.
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