Fishing – trapping – and vermin destroying – Fishing – Holder
Reexamination Certificate
1999-07-12
2001-02-13
Ark, Darren W. (Department: 3643)
Fishing, trapping, and vermin destroying
Fishing
Holder
C043S004000, C024S12900C, C138S178000
Reexamination Certificate
active
06185859
ABSTRACT:
SUMMARY OF THE INVENTION
This invention relates to flexible tubing made from plastics, and to devices made therefrom. Such devices include tying devices of the kind comprising a tube having a helical slit along at least part of its length, the slit permitting at least part of the length of tubing to be formed into a strip capable of being wound around an article to be tied. The devices also include fish hook protectors, spool keepers, fishing lures and components thereof made from flexible tubing.
Spiral-cut polypropylene tubing has been used for protecting and bundling electrical wires. In general, spiral-cut polypropylene tubing is supplied in short lengths of relatively stiff material, suitable for wrapping around heavy electrical wires, e.g. 10, 12 or 14 gauge single-conductor, insulated wires, but not suitable for tying bundles of fine gauge strands of wire or other fine gauge materials such as fishing leader. Polypropylene also tends to be at least moderately crystalline and is therefore ordinarily opaque or nearly so, making it unsuitable for applications in which a high translucence or transparency is desirable.
One object of this invention is to provide flexible tubing that has an iridescent effect when illuminated, making it more readily visible, and attractive in appearance. Other objects include ease of manufacture, improved strength, ease of cutting to a desired length, the ability to be manually separated into longitudinal strips, the achievement of a tying device capable of an improved grip on the object or objects being tied, and faster drying of the tying device when wet.
The tying device in accordance with the invention comprises a tube formed of a resilient plastics material, preferably poly (vinyl chloride). The tube has longitudinal ribs extending axially along its interior surface, each rib preferably comprising two substantially planar faces meeting each other at an angle of approximately 60 degrees. In a preferred embodiment, the exterior of the tube has a polygonal cross-section, there being one planar exterior face associated with each internal rib, such that the faces and ribs together form truncated 60° prisms for optimum light gathering and refraction.
For use as a tying, wrapping or protecting device, the tube has a helical slit along at least part of its length and extending at least a full turn around the axis of the tube. Preferably, the slit extends through a plurality of full turns from one end of the tube to the other. The slit permits at least part of the length of tubing to be formed into a strip capable of being wound around an article to be tied, wrapped or protected. The slitted tube can be used, for example, to secure a coil of fishing leader, as a fish hook protector, as a spacer in a fishing lure, or as a spool keeper for paying out leader from a spool.
The wall thickness of the tube between the ribs can be made sufficiently thin so that a portion of the tubing can be separated into longitudinal strips to produce a fishing lure.
A fish-attracting scent can be absorbed into the material of a tube with a helical slit, which can then be placed on a fish hook as an “artificial worm.” Alternatively, the fish-attracting scent can be absorbed into the material of a fishing lure produced by separating a portion of a tube into longitudinal strips.
The preferred material for the tubing is poly (vinyl chloride), also known as “PVC.” This material is softer than polyethylene or polypropylene and is more easily handled.
As will become apparent from the following detailed description, in the case of helically slitted tubing, the longitudinal ribs provide the tubing with an iridescent appearance for high visibility. The ribs also provide a better grip on the strands or articles about which the slitted tubing is wound. In the case in which the tubing is formed into a fishing lure, the ribs can be separated manually from one another to form the legs or skirt of the lure.
Other objects, details and advantages of the invention will be apparent from the following detailed description when read in conjunction with the drawings.
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Ark Darren W.
Howson & Howson
Texan Corporation
LandOfFree
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