US3731445A - Joinder of floor tiles - Google Patents

Joinder of floor tiles Download PDF

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Publication number
US3731445A
US3731445A US00060232A US3731445DA US3731445A US 3731445 A US3731445 A US 3731445A US 00060232 A US00060232 A US 00060232A US 3731445D A US3731445D A US 3731445DA US 3731445 A US3731445 A US 3731445A
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US
United States
Prior art keywords
tiles
tile
strips
projections
projection
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US00060232A
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English (en)
Inventor
R Hoffmann
W Winkler
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Carl Freudenberg KG
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Individual
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US case filed in California Central District Court litigation Critical https://portal.unifiedpatents.com/litigation/California%20Central%20District%20Court/case/2%3A14-cv-02209 Source: District Court Jurisdiction: California Central District Court "Unified Patents Litigation Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
US case filed in California Central District Court litigation https://portal.unifiedpatents.com/litigation/California%20Central%20District%20Court/case/2%3A14-cv-02210 Source: District Court Jurisdiction: California Central District Court "Unified Patents Litigation Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3731445A publication Critical patent/US3731445A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane

Definitions

  • ABSTRACT Floor tiles are joined by cutting away material along the edges so as to leave undercut projections extending downwardly from the bottom of the tiles. Joining of tiles is effected by using a strip provided with a pair of parallel channels into which extend the projections from two different tiles. The undercut configurations prevent the tiles'from being removed by a simple vertical pull.
  • the invention relates to the joining of individual flooring tiles or slabs of rubber or the like.
  • FIG. 1 is a vertical section through two abutting tiles joined in accordance with prior art teaching
  • FIG. 2 is a vertical section through one embodiment of the present invention.
  • FIG. 3 is a vertical section through another embodiment of the invention.
  • FIG. 4 is a vertical section through one of the tiles shown in FIG. 2;
  • FIG. 5 is a vertical section through the joining strip of FIG. 2;
  • FIG. 6 is a vertical section through one of the tiles shown in FIG. 3;
  • FIG. 7 is a vertical section through the joining strip of FIG. 3;
  • FIG. 8 is a perspective view of a different embodiment of a joining strip
  • FIG. 9 is a perspective view of still another embodiment of ajoining strip.
  • FIG. 10 is a bottom perspective view of the corner of a tile suitable forjoinder by strips such as shown in FIG. 8.
  • FIG. 2 there is shown an assembly of two tiles or slabs 2 and 3 and a joining strip or track I.
  • the joining strip 1 which may be made of rubber and which may be about 3 cm. wide, is first placed on the floor. As can be seen in FIG. 5, it comprises a base from which there extend projections or elevations 6, 7 and 8; elevations 6 and -7, and 7 and 8 define therebetween a pair of channels which in cross-section are undercut, i.e. they are wider near their bottom than near their tops and they extend laterally below a shoulder.
  • FIG. 4 shows one embodiment of the tiles according to the invention, profiled for use with the strip of FIG. 5.
  • the usually rectangular or square tiles have on each side a projecting edge 4 and 4', from which a double tongue 5 and 5', respectively, projects.
  • As viewed from the bottom surface of the tile there is a peripheral projection extending toward but terminating short of said surface.
  • the projection defines a recessed channel with and about the bulk of the tile.
  • the double tongue 5 of one tile is forced into the left track-like channel between the elevations 6, 7, and the double tongue 5 of another tile is forced into the right track-like channel between the elevations 7, 8.
  • FIG. 6 another embodiment is shown.
  • the tile again has a projecting edge at the margins, but only one bent tongue projects therefrom, which is identified in FIG. 6 with the reference numbers 9 and 10, respectively.
  • FIG. 7 shows a cross section of the strip required for the laying of the tiles of FIG. 6. It is of simpler construction than the strip according to FIG. 5 in that the center elevation does not extend upwardly as for as the lateral elevations.
  • crosses As shown in FIG. 8. These are a further development of the strips with the elevations 6, 7 and 8 of FIG. 5. While the strips of the above embodiment can be of any desired length, in the present case the length of the strip is limited to about one-fourth of the length of the edge of the tile. At the same time, a second strip or portion of the same length is connected medially of the first portion at an angle of Four tiles can be joined together with a strip of this kind. To each corner of the structure produced in this manner and consisting of four tiles, these crossed strips are again attached and additional joining is performed. In this manner any desired area can be covered with tiles. The tiles laid by means of these crosses have a greater resistance to shifting on the floor.
  • the length of the four arms of the crosses can be made such that they extend to the middle of each tile edge. In this case the extremities of adjacent crosses meet in the middle of a tile edge. The edge of each tile is thus embedded all along its length in a strip having the elevations 6, 7 and 8.
  • FIG. 10 is a perspective view of the corner of a floor tile that is laid with the aid of the cross.
  • FIG. 9 shows another embodiment of strips in which the channels are sectors of a circl of more than
  • the projections on the tiles for joinder thereby will be of approximately the same shape as the channels.
  • the shape of the channels and projections may be elliptical segments in place of circular segments, with similar effect.
  • Either the tiles or the joining strips or both are made of a yieldable, somewhat resilient material such as rubber, vinyl, or the like.
  • the projections either on the underface of the tiles near the edges or on theupper face of the joining strip can give slightly as is needed during connection or separation.
  • the bifurcated projection of FIG. 4 makes connection easier since the components have room to move laterally.
  • the undercut surfaces'and shoulders prevent separation by a simple vertical pull.
  • FIGS. 2 and 3 at the corners there is a small amount of space between mating members, which space allows for some expansion and for release of tensions which might result from minor imperfections in the tiles, strips or surface on which the tiles are placed.
  • the projections may be all along two opposite spaced edges of the tile which is preferably rectangular or square. In this manner the joining strips can be continuous and parallel. If the projections are provided on all four edges of a rectangular tile, either transverse strips can be omitted or special .measures taken to effectjoinde'r cross-wise of the elongated strips or crosses such as shown in FIG. 8 may be employed. If the tiles are hexagonal, then three tiles meet at each corner and a trifurcated joining strip patterned after that in FIG. 8 may be employed.
  • the strips may be about 3 cm. wide in which case the channels will be approximately 1 cm.
  • a floor covering assembly comprising a plurality of abutting rectangular tiles and joining strips, said tiles as viewed from above together making up a continuous surface, each tile comprising a solid body of predetermined thickness and undercut in its lower face substantially about its entire periphery so as to leave a projection whereby it can be held to a locking strip, each tile being provided at each corner in its underface with a projection extending toward but terminating short of the bottom surface of the tile, each strip comprising an elongated member of predetermined thickness provided in its upper face with a pair of parallel undercut channels for receiving the projections of two tiles and thereby holding them together, the joining strips including a second pairof channels extending at an angle to the first pair, the bottoms of said strips defining substantially the same plane as the bottoms of said tiles, material being provided at the intersections of the channels in a locking strip to form independent recesses for receiving the corner projections of tiles.
  • each tile has cut back edges, said tile as viewed from the bottom having a recessed channel about its periphery defined between said bottom surface and said projection which extends from the top surface but terminates short of said bottom surface, said projection including a portion extending toward said bottom and inwardly from the edges, whereby said tile is held into said assembl with other tiles-by said locking strips which are suitab y contoured to receive sald pro ections, said tiles being in abutting relation and exclusively making up the top surface with said locking strips being hidden therebelow.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Finishing Walls (AREA)
US00060232A 1970-05-02 1970-08-03 Joinder of floor tiles Expired - Lifetime US3731445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702021503 DE2021503A1 (de) 1970-05-02 1970-05-02 Fussbodenplatten und Verfahren zu deren Verbinden

Publications (1)

Publication Number Publication Date
US3731445A true US3731445A (en) 1973-05-08

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US00060232A Expired - Lifetime US3731445A (en) 1970-05-02 1970-08-03 Joinder of floor tiles

Country Status (5)

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US (1) US3731445A (de)
BE (1) BE766328A (de)
CH (1) CH496867A (de)
DE (1) DE2021503A1 (de)
FR (1) FR2090837A5 (de)

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FR2090837A5 (de) 1972-01-14
CH496867A (de) 1970-09-30
DE2021503A1 (de) 1971-11-25
BE766328A (fr) 1971-10-27

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