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Flooring strip and joint

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Publication number
US1953306A
US1953306A US55030531A US1953306A US 1953306 A US1953306 A US 1953306A US 55030531 A US55030531 A US 55030531A US 1953306 A US1953306 A US 1953306A
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Prior art keywords
strip
edge
end
groove
member
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Expired - Lifetime
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Paul O Moratz
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Paul O Moratz
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members

Description

April 3, 1934. P. o. MORATZ FLOORING STRIP AND JOINT Filed July 13, 1931 Y INVENTCR PHI/L. 0./WHTZ BY M Y ATTORNEY Patented Apr. 3, 1934 FLOORING STRIP AND JOINT Paul 0. Moratz, Bloomington, lll. l

Application July 13, 1931, Serial No. 550,305

2 Claims.

This invention relates to improvements in hard Wood flooring and more particularly to that type of hard wood flooring prepared in finished strips at the mill ready to lay and the flooring strip end joints therefor.

Hard wood flooring is customarily laid upon a sub floor in a new building or over the old floor in a dwelling or building that has been in use. The hard wood is customarily prepared in uniform strips of approximately one and one half inches in width and of varying lengths having interlocking tongue and groove engagement along their longitudinal edges.

In recent years the hard wood flooring strips have been` finished at the mill, that is seasoned and provided with an upper surface which is filled, stained, and polished so that the floor needs no further treatment after it has been laid. Many improvements have been made to increase the speed of the laying of such floors in providing means to quickly engage the strips to the sub or old :door and insure the proper engagement of strips being laid with the edge of the laid strip to present a smooth even surface along the longitudinal meeting edges with no cracks or crevices to collect dust or dirt and no projection to catch the mops ordinarily used in cleaning. Inasmuch as the dimensions of the rooms and halls to be floored vary, it is not ordinarily possibleto lay one continuous strip from wall to wall, so the mill cuts the strips in variousuniform lengths convenient to be packaged for transportation. While many improvements have been developed for the tongue and groove interengagement of the horizontal edges of finished hard wood flooring strips, little or no improvement has been made in providing a similar smooth even surface at the transverse meeting edges when one strip is laid in prolongation of another.

It is an object of this invention to provide at the mill at the transverse edges of the opposite ends of each strip of finished hard wood flooring means for interengaging the ends of strips as well as the longitudinal edges.

As far as generally ing ,and Asub floor when walked over.

This is usually accomplished by nailing each strip through the tongued edge to the sub floor at approximately uniform distances which will also prevent any tendency for the strip so secured to curl longitudinally if it may have a tendency to warp after being laid. It is a further object of this invention to provide at the mill means for interengaging the transverse meeting edges of hard wood flooring strips that will prevent a transverse curling or warping as well as insure a smooth even surface between the adjoining strips and positively prevent chattering between the abutting ends.

With these and other objects in view, refer` ence is made to the accompanying sheet of drawings which illustrates a preferred embodiment of this invention, with the understanding that minor detail changes may be made without departing from the scope thereof.

In the drawing:

Figure 1 is a fragmentary vertical longitudinal sectional view of spaced apart meeting transverse edges of nished hard wood ooring strips embodying the improved joint.

Figure 2 is a fragmentary perspective view of one transverse edge shown in Figure 1.

Figure 3 is a similar view of the other transverse edge shown in Figure 1.

Figure 4 is an enlarged fragmentary plan View of the transverse meeting edges provided with this improved joint as it will appear when laid upon the sub floor.

In the embodiment of this invention as illustrated, Figure 1 shows a vertical transverse edge 1 of a finished hard wood flooring strip 2 spaced v apart from the vertical transverse edge 3 of the adjacent finished hard wood flooring strip 4 as they appear before being joined in longitudinal protection of each other. Strip 2 is provided with a metal engaging member 5 and strip 4 with a V-shaped groove 6 to receive and firmly engage the member 5.

As shown in Figure 2, the metal member 5 preferably extends across the end 1 of the strip 2 from the outer edge of the longitudinal tongue 7 thereon to the innermost surface of the longitudinal groove 8 on the opposite longitudinal edge thereof. The metal member 5 extends preferably below the center line of the edge 1 which edge is formed in a plane at right angles to the upper 9 thereon to the innermost surface of the longitudinal groove 10 on the opposite longitudinal ,edge thereof. The intersections of the opposite surfaces of the groove 6 with the end 3 are parallel with the upper finished surface of the strip 4 and are spaced apart at a distance preferably slightly greater than the thickness of the metal member 5 so that the end thereof may be readily entered into the groove 6. It is preferable to construct the V-shaped groove with its apex at a greater distance from the edge 3 than the metal member 5 extends outward from theedge 1 of its strip 2, so that when the ends are faced together with the edges 1A and 3 in contact the V-shaped groove 6 firmly engages the metal member 5, as shown in dotted lines, Figure 4, from the outer edge of the tongues 7 and 9 to the innermost surfaces of the grooves 8 and 10, so that when the floor is laid, the end of the metal member 5 in the tongues 'I and 9 will be rigidly engaged in the groove ofthe contiguous strip on that side and on the opposite side will be firmly held by the'entrance of the tongue on the contiguous strip entering the grooves 8 and 10.

The end 1 of the strip 2 is first cut on a machine Which cuts all ends uniformly with a slot parallel to the upper finished surface and equidistant therefrom and then the metal member 5 is inserted in the cut slot by another machine and forced into the body of the end to uniformly be engagedin the end with its exterior edge parallel and equidistant from the surface of the end 1. The groove 6 in the end 3 is formed by a machine parallel to the upper finished surface and at a uniform distance therefrom and also extending a uniform distance with the body of the strip 4 from the transverse edge 3 thereof. By this means each strip is provided at each end with a uniform standard metal engaging member 5 and receiving V-shaped groove 6 therefrom.

This improved joint constructed and applied as above described provides the abutting ends of hard wood flooring strips with a joint that prevents warping of the meeting transverse edges as long as the oor lasts, accurately keeps the fin- .and groove engaging'members on each longitudinal edge, and at each abutting end a metal engaging member secured in one strip extending from the outer edge of its tongue to the innermost surface of its groove parallel to and uniformly equidistant from the upper finished surface and projecting uniformly equidistant from said end received within and firmly engaged in a complementary V-shaped groove in the end of the abutting strip of greater width and depth than the projecting metal engaging member, whereby the ends of the strips are joined and at the same time held against transverse warping.

2. A mill iinished hard wood flooring strip of uniform width having an engaging tongue projecting from one longitudinal edge and a tongue engaging groove provided along the opposite longitudinal edge and ends having surfaces at right angles to both the upper finished and longitudinal vedge surfaces, provided at one end with a metal engaging member forced into the strip for a majority of its depth parallel to the upper finished surface extending from the outer edge of the tongue to the innermost surface of the groove with the upper face of the member in the center line of the end and projecting uniformly therefrom, and provided at the other end with a complementary V-shaped groove of greater width and depth than the projecting engaging member adapted to receive the said member of an abutt'ing strip without splitting the grooved end and rmly engage said member to hold the abutting ends together in prolongation of each other with their upper nished surfaces in the same plane and prevent transversewarping of the ends.

:l PAUL O. MORATZ.

US1953306A 1931-07-13 1931-07-13 Flooring strip and joint Expired - Lifetime US1953306A (en)

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Cited By (66)

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US2760239A (en) * 1952-08-21 1956-08-28 Riley Freddie Staircase
US20020178673A1 (en) * 1993-05-10 2002-12-05 Tony Pervan System for joining building panels
US6510665B2 (en) 2000-01-24 2003-01-28 Valinge Aluminum Ab Locking system for mechanical joining of floorboards and method for production thereof
US6516579B1 (en) 1993-05-10 2003-02-11 Tony Pervan System for joining building boards
US6532709B2 (en) 1998-06-03 2003-03-18 Valinge Aluminium Ab Locking system and flooring board
US20030101674A1 (en) * 2001-09-20 2003-06-05 Darko Pervan Flooring and method for laying and manufacturing the same
US6588166B2 (en) 1995-03-07 2003-07-08 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US6606834B2 (en) 1995-03-07 2003-08-19 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US20030196405A1 (en) * 1994-04-29 2003-10-23 Tony Pervan System for joining building panels
US20030233809A1 (en) * 2002-04-15 2003-12-25 Darko Pervan Floorboards for floating floors
US20040016196A1 (en) * 2002-04-15 2004-01-29 Darko Pervan Mechanical locking system for floating floor
US20040035078A1 (en) * 2002-03-20 2004-02-26 Darko Pervan Floorboards with decorative grooves
US20040035077A1 (en) * 1995-03-07 2004-02-26 Goran Martensson Flooring panel or wall panel and use thereof
US6715253B2 (en) 2000-04-10 2004-04-06 Valinge Aluminium Ab Locking system for floorboards
US20040123547A1 (en) * 2002-11-12 2004-07-01 Thomas Grafenauer Floor panel
US20040123542A1 (en) * 2002-11-12 2004-07-01 Thomas Grafenauer Wood fiberboard, in particular floor panel
US20040128934A1 (en) * 2002-11-15 2004-07-08 Hendrik Hecht Floor panel and method of laying a floor panel
US20040139678A1 (en) * 2002-04-22 2004-07-22 Valinge Aluminium Ab Floorboards, flooring systems and methods for manufacturing and installation thereof
US6769218B2 (en) 2001-01-12 2004-08-03 Valinge Aluminium Ab Floorboard and locking system therefor
US20040206036A1 (en) * 2003-02-24 2004-10-21 Valinge Aluminium Ab Floorboard and method for manufacturing thereof
US6851241B2 (en) 2001-01-12 2005-02-08 Valinge Aluminium Ab Floorboards and methods for production and installation thereof
US20050076598A1 (en) * 2003-10-11 2005-04-14 Matthias Lewark Panel, in particular floor panel
US6880305B2 (en) 1995-05-17 2005-04-19 Valinge Aluminium Ab Metal strip for interlocking floorboard and a floorboard using same
US20050089644A1 (en) * 2003-09-06 2005-04-28 Frank Oldorff Method for sealing a building panel
US20050097860A1 (en) * 1999-07-05 2005-05-12 Goran Martensson Floor element with guiding means
US20050102937A1 (en) * 1998-06-03 2005-05-19 Valinge Aluminium Ab Locking System And Flooring Board
US20050138881A1 (en) * 2003-03-06 2005-06-30 Darko Pervan Flooring systems and methods for installation
US20050144878A1 (en) * 2003-12-17 2005-07-07 Thomas Grafenauer Building board for use in subfloors
US20050160694A1 (en) * 2002-04-03 2005-07-28 Valinge Aluminium Mechanical locking system for floorboards
US20050166514A1 (en) * 2004-01-13 2005-08-04 Valinge Aluminium Ab Floor covering and locking systems
US20050193677A1 (en) * 2004-03-08 2005-09-08 Kronotec Ag. Wooden material board, in particular flooring panel
US20050205161A1 (en) * 2004-01-30 2005-09-22 Matthias Lewark Method for bringing in a strip forming a spring of a board
US20050208255A1 (en) * 2002-04-08 2005-09-22 Valinge Aluminium Ab Floorboards for floorings
US20050214537A1 (en) * 2004-03-11 2005-09-29 Kronotex Gmbh & Co., Kg. Insulation board made of a mixture of wood base material and binding fibers
US20050284076A1 (en) * 1996-06-11 2005-12-29 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US20060101769A1 (en) * 2004-10-22 2006-05-18 Valinge Aluminium Ab Mechanical locking system for floor panels
US20060182938A1 (en) * 2003-03-06 2006-08-17 Flooring Technologies Ltd., Process for finishing a wooden board and wooden board produced by the process
US20060236642A1 (en) * 2005-03-30 2006-10-26 Valinge Aluminium Ab Mechanical locking system for panels and method of installing same
US20060265641A1 (en) * 2005-05-17 2006-11-23 International Business Machines Corporation Custom report generation
US20070028547A1 (en) * 2003-03-24 2007-02-08 Kronotec Ag Device for connecting building boards, especially floor panels
US20070059492A1 (en) * 2005-09-08 2007-03-15 Flooring Technologies Ltd. Building board
US20070071949A1 (en) * 2002-11-12 2007-03-29 Kronotec Ag Process for producing a structured decoration in a woodbased-material board
US20070193174A1 (en) * 2006-02-21 2007-08-23 Flooring Technologies Ltd. Method for finishing a building board and building board
US20070193178A1 (en) * 2006-02-10 2007-08-23 Flooring Technologies Ltd. Device and method for locking two building boards
US20070207290A1 (en) * 2005-09-08 2007-09-06 Flooring Technologies Ltd. Building board and method for production
US7444791B1 (en) 1998-06-03 2008-11-04 Valinge Innovation Ab Locking system and flooring board
US7484338B2 (en) 1999-04-30 2009-02-03 Valinge Innovation Ab Locking system, floorboard comprising such a locking system, as well as method for making floorboards
US20090038253A1 (en) * 1995-03-07 2009-02-12 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US7641963B2 (en) 2002-11-12 2010-01-05 Kronotec Ag Panel and process for producing a panel
US7651751B2 (en) 2003-02-14 2010-01-26 Kronotec Ag Building board
US7827749B2 (en) 2005-12-29 2010-11-09 Flooring Technologies Ltd. Panel and method of manufacture
US7845140B2 (en) 2003-03-06 2010-12-07 Valinge Innovation Ab Flooring and method for installation and manufacturing thereof
US7886497B2 (en) 2003-12-02 2011-02-15 Valinge Innovation Ab Floorboard, system and method for forming a flooring, and a flooring formed thereof
US20110059239A1 (en) * 2005-09-08 2011-03-10 Flooring Technologies Ltd. Building board and method for production
US8042484B2 (en) 2004-10-05 2011-10-25 Valinge Innovation Ab Appliance and method for surface treatment of a board shaped material and floorboard
US8061104B2 (en) 2005-05-20 2011-11-22 Valinge Innovation Ab Mechanical locking system for floor panels
US8215078B2 (en) 2005-02-15 2012-07-10 Välinge Innovation Belgium BVBA Building panel with compressed edges and method of making same
US8250825B2 (en) 2001-09-20 2012-08-28 Välinge Innovation AB Flooring and method for laying and manufacturing the same
US8544233B2 (en) 2000-03-31 2013-10-01 Pergo (Europe) Ab Building panels
US8584423B2 (en) 2001-07-27 2013-11-19 Valinge Innovation Ab Floor panel with sealing means
US8615952B2 (en) 2010-01-15 2013-12-31 Pergo (Europe) Ab Set of panels comprising retaining profiles with a separate clip and method for inserting the clip
US8627631B2 (en) 2000-06-20 2014-01-14 Flooring Industries Limited, Sarl Floor covering
US8978334B2 (en) 2010-05-10 2015-03-17 Pergo (Europe) Ab Set of panels
US9322183B2 (en) 2004-01-13 2016-04-26 Valinge Innovation Ab Floor covering and locking systems
US9322162B2 (en) 1998-02-04 2016-04-26 Pergo (Europe) Ab Guiding means at a joint
US9464443B2 (en) 1998-10-06 2016-10-11 Pergo (Europe) Ab Flooring material comprising flooring elements which are assembled by means of separate flooring elements

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US2760239A (en) * 1952-08-21 1956-08-28 Riley Freddie Staircase
US20060283127A1 (en) * 1993-05-10 2006-12-21 Valinge Innovation Ab Floor panel with a tongue, groove and a strip
US20020178673A1 (en) * 1993-05-10 2002-12-05 Tony Pervan System for joining building panels
US20020178682A1 (en) * 1993-05-10 2002-12-05 Tony Pervan System for joining building panels
US7823359B2 (en) 1993-05-10 2010-11-02 Valinge Innovation Ab Floor panel with a tongue, groove and a strip
US6516579B1 (en) 1993-05-10 2003-02-11 Tony Pervan System for joining building boards
US20050166502A1 (en) * 1993-05-10 2005-08-04 Valinge Aluminium Ab. Metal strip for interlocking floorboard and a floorboard using same
US7086205B2 (en) 1993-05-10 2006-08-08 Valinge Aluminium Ab System for joining building panels
US7775007B2 (en) 1993-05-10 2010-08-17 Valinge Innovation Ab System for joining building panels
US7121059B2 (en) 1994-04-29 2006-10-17 Valinge Innovation Ab System for joining building panels
US20030196405A1 (en) * 1994-04-29 2003-10-23 Tony Pervan System for joining building panels
US8661762B2 (en) 1995-03-07 2014-03-04 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US8875465B2 (en) 1995-03-07 2014-11-04 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US20040035077A1 (en) * 1995-03-07 2004-02-26 Goran Martensson Flooring panel or wall panel and use thereof
US8402709B2 (en) 1995-03-07 2013-03-26 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US20060248836A1 (en) * 1995-03-07 2006-11-09 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US7131242B2 (en) 1995-03-07 2006-11-07 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US6606834B2 (en) 1995-03-07 2003-08-19 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US7856784B2 (en) 1995-03-07 2010-12-28 Pergo AG Flooring panel or wall panel and use thereof
US6588166B2 (en) 1995-03-07 2003-07-08 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US20090038253A1 (en) * 1995-03-07 2009-02-12 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US20040221537A1 (en) * 1995-03-07 2004-11-11 Goran Martensson Flooring panel or wall panel and use thereof
US9032685B2 (en) 1995-03-07 2015-05-19 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US7497058B2 (en) 1995-03-07 2009-03-03 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US6880305B2 (en) 1995-05-17 2005-04-19 Valinge Aluminium Ab Metal strip for interlocking floorboard and a floorboard using same
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