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US1764331A - Matched hardwood flooring - Google Patents

Matched hardwood flooring Download PDF

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Publication number
US1764331A
US1764331A US34223129A US1764331A US 1764331 A US1764331 A US 1764331A US 34223129 A US34223129 A US 34223129A US 1764331 A US1764331 A US 1764331A
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Prior art keywords
strip
tongue
surface
edge
strips
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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

June 17, 1930. p Q MQRATZ 1,764,331

MATCHED HARDWOOD FLOORING Filed Feb. 25, 1929 INVE PAUL O. MORATZ NTOR ATTORNEY Patented Junell7, 1930 UNITED sures ram; 0. nom'rz, or nnoomino ron, rumors *nrczmn mnwo'on rnooamc Application filed February 23, 1929. Serial No. 342,231.

This invention relates to matched hardwood fiooring and more particularly to the formation of a hardwood floor .strip that is formed and finished at the mill and when delivered is ready to lay.

It is an ob]ect of this invention to so form long thin strips of hardwood such as used 111 resurfacing old floors in dwellin s, or surfacin floors when constructing. uildings,

that t e same may be finished, that is, scraped,

filled, stained, varnished, rubbed, polished and waxed, at the mill and when laid in place will present an'even surface without cracks or crevices for the collection of moisture, dust or dirt and without projections to catch the mop, broom or brush usually employed in cleaning or polishing.

Such strips are approximately five-sixteenths inches in thickness, two inches in width and vary in length from one to ten feet in length. -Hardwoodsuitable for flooring is expensive andwhen a hardwood floor is desired it is customary to applya veneer of suitable wood over a base of less expensive material. The hardwood lends itself to the formation of thin strips for this purpose which are individually secured to the under body of the floor, as wide boards of such veneer would buckle or warp unless secured by nails intermediate their side edges which would be unsightly and cause unevenness in the smooth fiat surface desired. It is customary to form hardwood floor strips with interlocking tongue and groove edges and nail to the under flooras eachstrip is laid so that the nail head is concealed when the next strip is interlocked therewith.

It is a further object of this invention to so form the opposite edges of hardwood floor strips of the usual dimensions that as each strip is laid, the correct position of the nail is readily indicated to the workman, and when so nailed the placing of the next strip in position ready for nailing will completel conceal the nails of the first strip, clear sucli nails without contact and tie the meetinlg1 edges of the upper finished surface of bot strips together in such a manner that the upper surfaces lay in the same plane and the meeting of the edges is invisible except when the graining of the adjacent strips indicate a slight difference. n

With these and other objects in View reference is made tothe accompanying drawings as illustrating a referred form of this invention with the un erstandin g that minor detail changes may be made without departing from the scope thereof.

In the drawings:

Figure 1 isa fragmentary perspective view illustrating the ends and top finished surface of two matched floor strips as they would appear when in place. 1

Figure 2 is a fragmentary View in transverse vertical section illustrating. the manner in which each strip is nailed to the under floor or sub-flooring.

As shown, each strip 1 is provided with agroove 2 along one longitudinal edge and a tongue of peculiar construction along the opposite longitudinal edge. clearly shown in Figure 1, is formed with a shoulderdextending at right angles to the upper longitudinal vertical edge 4 of the strip from a point approximately one quarter of the thickness of the stri with the horizontal surface of the shoul er terminating in a vertical edge 5 of approximately one-half the width of the said horizontal surface or shoulder. From this vertical surface 5 of the shoulder the tongue is curved outwardly and downwardly, with this curved surface 6 undercut to provide a flat under surface] joinin the lower vertical longitudinal edge 8 at an o tuse angle at a point approximatel one eighth of the thickness of the strip. he groove 2 is so formed on the'longitudinal edge of each strip opposite the tongue so that the groove will receive the tongue of the next adjoining strip and departs from the upper vertical longitudinal edge 9 of the strip ona curve from a point approximately one quarter the thickness of the strip and continues a sufiicient distance inwardly and downwardly to receive the curved part 6 of the tongue and terminates in a flat surface 10, of less width than the sloping fiat surface 7.0f the tongue and adapted to engage thereunder, said surface 10 terminating in a vertical longitudinal edge 11.

Each tongue, as

It might be said that the tongue portion is provided with a double notched or ofi set upper surface, and the groove portion formed with a shoulder adapted to enga e snugly in the upper notch and with a we ge' adapted to engage under the tongue portion to' draw the shoulder into the notch to insure a close fit to insure the positioning of the upper surfaces of the adjoining strips in the same plane.

In laying the floor, the points of the nails 12 are engaged in the second notch or off set and are driven at an angle through the tongue and body portions of the strip 1, as shown in Figure 2, into the sub-surfacin 13, and, as shown in said figure, the nail ead will be received in said second notch or off set without danger of the workmans hammer defacing either the upper corner of the edge of the finished strip or the tongue portion, also, when laying the next strip, the groove is of such shape as to clear the nail head without danger of engaging it and when the next strip is nailedthe wedging engagement of the surfaces 7 and 10 ofcthe tongue and groove respectively, firmly ties the body of the'strip abovethe groove to the upper portlon of the tongue to insure a continuous smooth fiat surface to the floor.

10 of the groove is cut oil so that its longi-- tudinal vertical edge cannot contact the vertical edge under the tongue of the adjacent strip which insures a complete tying action between the wedge and upper surface when the next stri is nailed in place.

Matched ooring strips constructed in ac-' cordance withthis invention have many advantages. They can be laid without driving or blocking, that is, it is not necessary to ta the stri with a hammer to urge it in a horizontal. irection against the laid strip. The

nails do not have to be driven with a nail set to prevent the finished sharp corner above the tongue being bruised because the nails are driven in an ofi set, notch or cavity provided therefor. The wedging action between the ton e and oove prevents squeakin of the lai floor. e ton e being curve downward and of relative y lar e size is not easily broken orinjured when t e strips are being laid. The clearance for the nai heads providedin the oove of the adjoining strip prevents the ody above the oove being raised and the floor to bulge. he'grooved edge bein drawn by the nail in that strip into a w ging engagement with the tongue plane.

of the'laid strip. presents a floor surface free from grooves, cracks or creases at the joints to collect moisture, dust or dirt, as the wedging action produces a tight joint between the upper edgesof the strips and firmly holds these edges of the strips in place against future rising or springing. These many adthe tongue of the next adjacent strip, said tongue having a longitudinal right angular off set adapted to receive the head of a nail driven through the tongue and body of the strip and havmg an undercut portion sloping toward the underside of the strip to the longitudinal vertical edge, and said groove curved to clear the nail heads received within the offset, and formed with a correspondingly shaped lower portion of less length than the undercut of the tongue and adapted to engage thereunder and tie upper edges of the ad- I jacent strip together in the same plane.

2. A floorlng' strip provided with tongue pro ecting along one longitudinal edge having a flat surface at right angles to the edge terminating in a longitudinal right angular notch adapted to receive the head of a nail driven therethrou h, said tongue having an undercut portion orming a flat surface sloping towards the underside of the strip and terminating at the lon the lower corner thereog and a oove entering the opposite longitudinal e e, forming a shoulder adapted to engage t c said flat surface and edge of the tongue upon the next adjacent stri and receive said tongue and clear the hea s of nails driven throu h said notch, and having a flat surface at the 'ottom of-the groove corresponding to the flat unengage under the next a P dercut surface on the tongue and adapted to acent tongue and produce a wedging connection therewith to tie the up er corner of the two strips together wit their upper surface in the same.

PAUL o. MORATZ.

tudinal edge above

US1764331A 1929-02-23 1929-02-23 Matched hardwood flooring Expired - Lifetime US1764331A (en)

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US5570554A (en) * 1994-05-16 1996-11-05 Fas Industries, Inc. Interlocking stapled flooring
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
US20040016196A1 (en) * 2002-04-15 2004-01-29 Darko Pervan Mechanical locking system for floating floor
WO2004011740A2 (en) 2002-07-25 2004-02-05 Mannington Mills, Inc. Floor panel with a two components adhesive
US20040035077A1 (en) * 1995-03-07 2004-02-26 Goran Martensson Flooring panel or wall panel and use thereof
US20040035078A1 (en) * 2002-03-20 2004-02-26 Darko Pervan Floorboards with decorative grooves
US6715253B2 (en) 2000-04-10 2004-04-06 Valinge Aluminium Ab Locking system for floorboards
US6769218B2 (en) 2001-01-12 2004-08-03 Valinge Aluminium Ab Floorboard and locking system therefor
US6851241B2 (en) 2001-01-12 2005-02-08 Valinge Aluminium Ab Floorboards and methods for production and installation thereof
US6851237B2 (en) * 1998-09-11 2005-02-08 Robbins, Inc. Floorboard with compression nub
US6880305B2 (en) 1995-05-17 2005-04-19 Valinge Aluminium Ab Metal strip for interlocking floorboard and a floorboard using same
US20050166516A1 (en) * 2004-01-13 2005-08-04 Valinge Aluminium Ab Floor covering and locking systems
US20060225370A1 (en) * 1996-06-11 2006-10-12 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US20060265641A1 (en) * 2005-05-17 2006-11-23 International Business Machines Corporation Custom report generation
US20070022694A1 (en) * 2005-07-27 2007-02-01 Mannington Mills, Inc. Connecting system for surface coverings
US20070245663A1 (en) * 2006-03-31 2007-10-25 Kris Hahn Flooring profile
US20070261350A1 (en) * 2006-05-12 2007-11-15 Kris Hahn Flooring profile
US7386963B2 (en) 1998-06-03 2008-06-17 Valinge Innovation Ab Locking system and flooring board
US7431979B2 (en) 2002-11-12 2008-10-07 Kronotec Ag Wood fiberboard
US7444791B1 (en) 1998-06-03 2008-11-04 Valinge Innovation Ab Locking system and flooring board
US7454875B2 (en) 2004-10-22 2008-11-25 Valinge Aluminium Ab Mechanical locking system for floor panels
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
US7484337B2 (en) 2002-11-15 2009-02-03 Kronotec. Ag Floor panel and method of laying a floor panel
US7497058B2 (en) 1995-03-07 2009-03-03 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US7506481B2 (en) 2003-12-17 2009-03-24 Kronotec Ag Building board for use in subfloors
US7516588B2 (en) 2004-01-13 2009-04-14 Valinge Aluminium Ab Floor covering and locking systems
US20090126307A1 (en) * 2007-11-15 2009-05-21 Martin Grohman Planking system and method
US7550202B2 (en) 2004-03-11 2009-06-23 Kronotec Ag Insulation board made of a mixture of wood base material and binding fibers
US7562431B2 (en) 2004-01-30 2009-07-21 Flooring Technologies Ltd. Method for bringing in a strip forming a spring of a board
US20090223162A1 (en) * 2008-03-05 2009-09-10 Mannington Mills, Inc. Connecting System For Surface Coverings
US7617651B2 (en) 2002-11-12 2009-11-17 Kronotec Ag Floor panel
US7621092B2 (en) 2006-02-10 2009-11-24 Flooring Technologies Ltd. Device and method for locking two building boards
US7637068B2 (en) 2002-04-03 2009-12-29 Valinge Innovation Ab Mechanical locking system for floorboards
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
US7677001B2 (en) 2003-03-06 2010-03-16 Valinge Innovation Ab Flooring systems and methods for installation
US7678425B2 (en) 2003-03-06 2010-03-16 Flooring Technologies Ltd. Process for finishing a wooden board and wooden board produced by the process
US20100132304A1 (en) * 2008-05-19 2010-06-03 Gary Steve Burchette Apparatus and method for preventing damage to wood flooring during attachment to a subfloor
US7739849B2 (en) 2002-04-22 2010-06-22 Valinge Innovation Ab Floorboards, flooring systems and methods for manufacturing and installation thereof
US7827749B2 (en) 2005-12-29 2010-11-09 Flooring Technologies Ltd. Panel and method of manufacture
US7841144B2 (en) 2005-03-30 2010-11-30 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US7845140B2 (en) 2003-03-06 2010-12-07 Valinge Innovation Ab Flooring and method for installation and manufacturing thereof
US7854986B2 (en) 2005-09-08 2010-12-21 Flooring Technologies Ltd. Building board and method for production
US7877956B2 (en) 1999-07-05 2011-02-01 Pergo AG Floor element with guiding means
US7886497B2 (en) 2003-12-02 2011-02-15 Valinge Innovation Ab Floorboard, system and method for forming a flooring, and a flooring formed thereof
US7908816B2 (en) 2003-03-24 2011-03-22 Kronotec Ag Device for connecting building boards, especially floor panels
US20110131916A1 (en) * 2009-12-04 2011-06-09 Mannington Mills, Inc. Connecting System For Surface Coverings
US8003168B2 (en) 2003-09-06 2011-08-23 Kronotec Ag Method for sealing a building panel
US8042484B2 (en) 2004-10-05 2011-10-25 Valinge Innovation Ab Appliance and method for surface treatment of a board shaped material and floorboard
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US8215078B2 (en) 2005-02-15 2012-07-10 Välinge Innovation Belgium BVBA Building panel with compressed edges and method of making same
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US8475871B2 (en) 2005-09-08 2013-07-02 Flooring Technologies Ltd. Building board and method for production
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US20050166502A1 (en) * 1993-05-10 2005-08-04 Valinge Aluminium Ab. Metal strip for interlocking floorboard and a floorboard using same
US20030196405A1 (en) * 1994-04-29 2003-10-23 Tony Pervan System for joining building panels
US7121059B2 (en) 1994-04-29 2006-10-17 Valinge Innovation Ab System for joining building panels
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