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| Method of using cushion device during hunting |
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| Wireless barrier-edge monitor method |
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Roof drain de-icer apparatus
| Details |
Inventors: Nocella, Raymond L.;
Assignee:
Primary Examiner: Stodola; Daniel P.
Assistant Examiner: Cohen; Curtis A.
Attorney, Agent or Firm: Volpe & Koenig, P.C.
A sleeve-like container fabricated from a waterproof material, comprising an upper and lower surface with a hollow interior filled with salt. At least a portion of the lower surface is perforated with a plurality of openings and is positioned with the lower perforated surface in contact with the upper surface of a flat, sloped roof to provide wicking absorption of water flowing down the roof into the salt. Absorption of water by the salt and leads to release of the resulting saline solution through the perforated openings to the surface of the roof, preventing formation of ice on the roof downstream of the plastic sleeve and in the roof drain. The waterproof container with the packed salt is, preferably, secured to the surface of the roof by an adhesive tape, or a weight attached to or lying upon opposite ends of the container. In another embodiment, the de-icer is a solid block of a pressed, granulated salt having a top portion water-proofed to prevent rapid deterioration due to precipitation. |
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DETAILED DESCRIPTION OF THE INVENTION AND PREFERRED EMBODIMENTS THEREOF FIG.
1a shows an elevational view of container 10 substantially comprised of upper surface 11 and lower surface 12, formed of a waterproof plastic material of a suitable gauge to withstand the elements throughout a winter season, for example.
Dotted line L represents the imaginary dividing line between the upper half 11 and the lower half 12 of the container 10.
The container is preferably formed of a substantially transparent plastic but may be translucent or opaque, if desired.
In use, the container 10 is positioned so that the surfaces 11 and 12 are arranged one above the other, with surface 12 resting upon the roof (see FIGS.
2, 3, and 5).
Surfaces 11 and 12 may be formed of sheets which are bonded along their longitudinal side edges to create a sleeve defining a hollow interior space.
Alternatively, the sleeve may be produced so as to be seamless, or may be folded over and joined along one longitudinal seam.
The lower surface 12 is perforated at regular intervals with small holes 12a (FIGS.
1a-1c).
FIGS.
1b and 1c are plan views of the upper and lower surfaces.
The two surfaces (sheets), in one embodiment, are integrally joined at opposite sides along their length and their ends are left open to permit the annular space created therein to be packed with salt.
One of the ties 14 (see FIG.
4) is employed to close off the container near one end thereof.
The container is then filled with salt.
Subsequent to filling the hollow interior space with salt, the opposite end of the container is closed employing the remaining ones of the ties 14.
The ties 14, 14 are positioned along the dotted guide lines 15 and 16 (shown in FIG.
1a).
Procedurally, one end of sleeve 10 is closed using one of the ties 14.
The ties 14 (see FIG.
4) are knurled along surface 14a forming a saw-tooth-like surface.
One end 14b of the tie is provided with an opening 14c, through which the end 14d is inserted.
The tie is pulled tight, closing one end of the container 10
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