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 Hub drain plate for concrete finishingUSPTO Application #: 20080060279Title: Hub drain plate for concrete finishing Abstract: A cement forming plate includes a concave drain plate having a lower surface and an upper surface, wherein the lower surface is configured to mate with a hub drain and provide a cement forming barrier for forming a fanned draining slope (end of abstract)
Agent: Rader, Fishman & Grauer PLLC - South Jordan, UT, US Inventor: Lee Maynard USPTO Applicaton #: 20080060279 - Class: 52 215 (USPTO) The Patent Description & Claims data below is from USPTO Patent Application 20080060279. Brief Patent Description - Full Patent Description - Patent Application Claims
RELATED APPLICATIONS [0001]The present application claims the benefit under 35 U.S.C. .sctn.119(e) of U.S. Provisional Patent Application No. 60/843,747 filed Sep. 11, 2006 titled "Hub Drain Plate for Concrete Finishing", which application is incorporated herein by reference in its entirety. FIELD [0002]The general field of the present system and method relate to static structures, i.e., buildings, and to pipes and tubular conduits; more particularly the present exemplary system and method provide the end of a pipe with a plug or end protector; most specifically to such a form preserving space about a hub type drain in the pouring of a concrete slab floor. BACKGROUND [0003]Hub type drains typically possess a drain collar seated in the open top end of the drain and secured to the same with a plurality of bolts arranged concentrically about a central threaded bore into which an adjustable strainer may be threaded. When a concrete slab floor is poured it is desirable to preserve not only (a) the internal threading of the drain collar but also (b) free access to the entire drain collar for the purpose of shimming the same in order to level the drain collar after the floor is poured. It is also desirable to provide for (c) proper sloping of the finished floor proximate the drain strainer in order to achieve desired drainage characteristics and to (d) avoid a plethora of problems commonly encountered during drain installation. [0004]Provision for slope in a finished floor is often wholly neglected in pouring a concrete slab. Furthermore, burying of the drain during the pouring of a concrete slab is also known to occur on occasion. Another problem associated with the preparation and pouring of a concrete slab is the often collision of equipment with the drain, thereby displacing the drain from level. Another prevalent problem with the finishing of a concrete slab around a desired drain is that cement finishers often do not finish the slab about a drain to accommodate the finished floor, resulting in a lack of necessary slope. [0005]It is considered, upon a basis of over thirty-five years experience, that the installation of hub drains during construction involving the pouring of a concrete slab floor is ineluctably and consistently plagued by the problems mentioned above. [0006]It is noted that it is a practice of some builders to use forming lumber to block an area about the drain leaving a rather large hole the entire depth of the slab. This practice adversely affects the integrity of the slab especially below grade. It is also noted that it is a common practice to use foam or insulation wrapped around a drain strainer threaded into the collar in order to enable adjustment of the same after the slab hardens. While preserving the ability to adjust the elevation of the drain strainer this practice provides neither access to the drain collar nor addresses the issue of sloping about the drain. SUMMARY [0007]In one of many possible exemplary embodiments, the present system and method provides for a cement forming plate that includes a concave drain plate having a lower surface and an upper surface, wherein the lower surface is configured to mate with a hub drain and provide a cement forming barrier for forming a fanned draining slope. BRIEF DESCRIPTION OF THE DRAWINGS [0008]The accompanying drawings illustrate various embodiments of the present system and method and are a part of the specification. The illustrated embodiments are merely examples of the present system and method and do not limit the scope thereof. [0009]FIG. 1 is a cross-sectional side view of an exemplary hub drain, according to one exemplary embodiment. [0010]FIG. 2 is a side view of an hub drain plate for concrete finishing according to one exemplary embodiment. [0011]FIG. 3 is a top view of an exemplary upper surface of a hub drain plate for concrete finishing, according to one exemplary embodiment. [0012]FIG. 4 is a side view of an exemplary hub drain plate, according to one exemplary embodiment. [0013]FIG. 5 is a side view of an exemplary plate system and placement method according to one exemplary embodiment. [0014]FIG. 6 is a side view of a hub drain and the surrounding concrete layer which has been finished and formed by a plate, according to one exemplary embodiment. [0015]FIG. 7 is a flow chart illustrating a method for forming concrete around a drain with a pre-form plate, according to one exemplary embodiment. [0016]Throughout the drawings, identical reference numbers designate similar, but not necessarily identical, elements. DETAILED DESCRIPTION [0017]A system and method of creating a hub drain plate for concrete finishing is disclosed herein. Specifically, the present exemplary system and method is useful for protecting a drain from being covered during a concrete pour while simultaneously finishing the texture, slope, and depth of the concrete proximately positioned around the drain. [0018]In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present system and method for creating a hub drain plate for concrete finishing. It will be apparent, however, to one skilled in the art, that the present system and method may be practiced without these specific details. Reference in the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearance of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment. Continue reading... Full patent description for Hub drain plate for concrete finishing Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Hub drain plate for concrete finishing patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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