US3552079A - Laminated tongue and groove building element - Google Patents

Laminated tongue and groove building element Download PDF

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Publication number
US3552079A
US3552079A US767425A US3552079DA US3552079A US 3552079 A US3552079 A US 3552079A US 767425 A US767425 A US 767425A US 3552079D A US3552079D A US 3552079DA US 3552079 A US3552079 A US 3552079A
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US
United States
Prior art keywords
beams
timber
tongue
groove
insulating material
Prior art date
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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US767425A
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English (en)
Inventor
Aage Mortensen
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V JEPPESENS SAVVAERK AS
Original Assignee
V JEPPESENS SAVVAERK AS
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Filing date
Publication date
Priority claimed from DK532367A external-priority patent/DK129667B/da
Priority claimed from SE15304/67A external-priority patent/SE318984B/xx
Application filed by V JEPPESENS SAVVAERK AS filed Critical V JEPPESENS SAVVAERK AS
Application granted granted Critical
Publication of US3552079A publication Critical patent/US3552079A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
    • E04B2/701—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function
    • E04B2/702—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function with longitudinal horizontal elements

Definitions

  • a building element comprising a panel-shaped insulating material extending between two timber half-beams, the whole element being formed as a beam with one o1' more tongues and grooves and with the insulating material extending in the full height of the beam from the bottom of a groove or a surface between two tongues to the opposite edge of the beam, and an angle joint between two walls made of building elements having notches round a neck section for mutual connection of the elements.
  • the invention concerns a building element incorporat ⁇ ing a built-in insulating material.
  • Walls which are built of logs Ijoined longitudinally by a system of tongue and groove with notches for corner joints but without a rigid framework, will sink for some time after the building has been erected. This sinking results from the dehydration of the timber and will continue for 1-2 years. A Wall which is two meters high will sink approx. 5 cm. If a log-house of the above-mentioned type is to be insulated, a system must be employed in which laths are fastened to each individual beam or log in order that the shrinking of the timber in each beam will not combine to produce a massive shrinking of the whole wall, but will remain distributed throughout the individual beam.
  • the insulating material in this case is located between the laths. This method is expensive and diicult since it requires the extra lath structure, and there is a danger that leaks occur in the tongue-and-groove joints or in the corner joints. If the lath construction is to be avoided, there is by known methods only the alternative to wait 1 2 years before litting the insulation material until the timber has dried and the sinking of the walls is concluded.
  • the object of the invention is to permit a quick and simple erection of well-insulated log-houses without requiring a rigid framework, and in such a manner that the characteristic construction of the said houses is retained, the beams or logs being visible from both sides of the wall, and the further object is to permit the construction of such houses in such a manner that they will in practice prove no more expensive than non-insulated loghouses of the same type.
  • An essential feature of the building element according to the invention is that it comprises a timber beam with at least one tongue and groove, and that the insulating material is panel shaped and extends the full length of the beam, at least from the bottom of a groove or the surface between two tongues to the opposite edge of the beam.
  • the insulating material is an expanded foam plastic material with considerable compressive strength and can be glued together with the two, for the most part symmetrical, halves of the timber beam.
  • This provides a beam well insulated against heat and damp, which on account of the symmetrical structure can absorb a considerable vertical load.
  • the plastic foam material does not shrink when the timber dries, i.e. even if timber in the log wall, constructed of horizontal building elements as in the invention, shrinks in drying, there is no risk that the tongue-groove joints or corner joints will leak.
  • the plastic foam material prevents water from penetrating the Wall, which counteracts a reduction in the insulation properties of the timber itself, and at the same time restricts the damaging effects that might otherwise arise from rot.
  • a preferred form of execution of the building element described in the invention is peculiar in that it has at least two tongues, formed by the insulating material having a longitudinal groove between the tongues of the surrounding timber beam, and by the insulating material on the opposite edge of the beam forming a projecting tongue between the walls of the groove formed by the surrounding components of the timber beam. This provides a tight joint between the layers of insulation in the individual beams, the insulation forming a continuous panel extending the full height of the wall.
  • a form of execution of the building element described in the invention with one or more layers of insulating material is peculiar in that the element incorporates a tongue of timber running parallel to one or more tongues containing insulating material, the timber tongue being a permanent structural whole with the timber of the beam; corresponding grooves are cut in the opposite edge of the beam. This provides an insulated wall of great strength.
  • An angle joint between two walls in a logahouse built up of alternately crossing beams, each with a notch round the neck of the beam so that each beam in one wall lits over the neck of a beam in the crossing wall, is according to the invention peculiar in that the layers of insulation in each beam extend at least all the way up to the upper and lower face of each neck section, and that the layers have such longitudinal dimensions as to subject them to strong compressive force in a transverse direction when the beams are hammered together in an angle joint. This ensures not only fine insulating properties but also com pletely sealed corner joints, which are equally important.
  • a particularly tight angle joint caused by a relatively light compression of the insulating materials in the neck sections of the beams and a pressure of the insulating material against the transverse timber surface can, in accordance with the invention, be obtained by providing the beams with notches which in cross section at the neck section are roof-shaped or arched at the top and corresponding shaped or arched on the underside, the insulating matlrial projecting slightly from the profits of the timber notc BRIEF DESCRIPTION OF THE DRAWING The invention is described below with reference to the accompanying drawings where:
  • FIG. 1 shows a beam-shaped building element executed in accordance with the invention
  • FIG. 2 shows an angle joint made by building elements as illustrated in FIG. 1,
  • FIGS. 3 and 4 show side and sectional views of the neck section of another form of execution of the building element in accordance with the invention, for ensuring an even tighter joint than that illustrated in FIG. 2,
  • FIGS. 5 and 6 show portions of two beams with two different types of neck sections which, when the beams are hammered together in an angle joint, ensure that they form a flush lap joint, and
  • FIGS. 7 and 8 show a cross section through another two forms of executions of the building element in accordance with the invention.
  • FIGS. 1 and 2 are in the shape of beams with two symmetrical half-beam layers of timber 1 and 2, separated by an insulating layer of expanded plastic foam 3 to which they are glued.
  • Layer 3 extends the full height of the beam from the bottom of a groove 4 to the upper side of a tongue 5 whose upright sides of wood form a part of each of the half-beams 1 and 2.
  • the layer of insulation 3 also extends to the upper and lower faces of this neck section, ensuring that the walls are completely insulating without cold gaps at the corners and the insulating material helping to seal 4 the corner joints when the beams are hammered together as illustrated in FIG. 2.
  • the beams illustrated in FIGS. 3 and 4 are similarly constructed of two halves 1 and 2, but have a familiar form of ridge-roof-shaped section 6, which works in conjunctions with a corresponding roof-shaped, transverse notch 7 in a crossing beam, ensuring increased seal properties.
  • the insulating layer 3 between the halves can be easily compressed at the top of the roof-shaped neck section 6, being pressed into notch 7 and helping to increase the seal properties.
  • FIGS. 5 and 6 show two beams which have neck sections 8 and 9 constructed differently, so that the beams can be hammered at right angles to each other until they lie on the same horizontal plane.
  • This form of beam also has an intermediate layer of insulation 3 between the two symmetrical halves of the beams.
  • This form permits the construction of a well-insulated house, sealed against the weather, which has beams laying at the same level all the way round the walls.
  • This form is slightly more expensive than the aforementioned because of the two different types of neck sections.
  • FIG. 7 shows a cross-section of a preferred form of execution of the building element described in the invention, with two half-beams 1 and 2 having an insulating layer 3 between them, which at the top between the sides 5 of the half-beams forms a groove 10 which can accommodate a tongue 11 on the beam above.
  • Tongue 11 is designed in the insulating material 3 at the opposite edge of the beams so that it extends into the groove 4 formed by the two half-beams.
  • the beam has two timber tongues 12 designed as part of the respective half-beams 1 and 2, and layer 3 extends upward between tongues 12 to form another tongue 13 which can be accommodated by a corresponding groove 14 in the opposite edge of the beam.
  • the two half-beams can be mutually connected at long intervals by locating wedges in the space otherwise occupied by the layer of insulation. This would give the beams increased strength but would not reduce the beams insulating properties to any great extent.
  • the beams would furthermore be made structurally more stable if the said wedges were located with their fibres pointing in the same direction as the libres in the halfbeams in order that the fibres can work in the same manner in the event of alteration in the moisture content of the timber.
  • a laminated building element comprising a pair of wooden half-beams, a central panel of insulating material sandwiched between said wooden half-beams and having a heat transmission capacity less than that of said wooden half-beams, a recessed groove formed along one edge of said half-beams, a tongue comprising an extension of said central panel extending outwardly in said recessed groove and a second groove formed solely within one edge of said central panel along the edge of said beams opposite said tongue and having a width equal the thickness of said tongue whereby opposite edges of said building elements are matingly received with respect to each other to provide a wall-type construction.
  • a laminated building element comprising a pair of wooden half-beams, a central panel formed of insulating material having a heat transmission capacity less than that of said half-beams and sandwiched between said halfheams wherein one edge of said half-beams is formed with a groove which extends along their length and the other edge of said half-beams adjacent said face is formed with a timber tongue extending outwardly in alignment with the respective groove of that half-beam and wherein said central panel is formed with an outwardly extending tongue along one edge adjacent the grooves of said halfbeams and an inwardly extending groove along its other edge inwardly spaced from said tongue of said half-beams.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
US767425A 1967-10-25 1968-10-14 Laminated tongue and groove building element Expired - Lifetime US3552079A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK532367A DK129667B (da) 1967-10-25 1967-10-25 Byggeelement i form af en lagdelt bjælke med feder og not.
SE15304/67A SE318984B (enrdf_load_stackoverflow) 1967-11-08 1967-11-08

Publications (1)

Publication Number Publication Date
US3552079A true US3552079A (en) 1971-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
US767425A Expired - Lifetime US3552079A (en) 1967-10-25 1968-10-14 Laminated tongue and groove building element

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US (1) US3552079A (enrdf_load_stackoverflow)
GB (1) GB1225536A (enrdf_load_stackoverflow)

Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919819A (en) * 1973-02-06 1975-11-18 Wayne H Oliver Self locking panel connector
US3992838A (en) * 1975-07-14 1976-11-23 New England Log Homes, Inc. Insulated wall log
US4096676A (en) * 1977-07-18 1978-06-27 Maurice Hibert Wall member
US4147001A (en) * 1977-11-07 1979-04-03 Oliver Wayne H Connector for wall panel structure
US4224774A (en) * 1978-08-31 1980-09-30 Rockwool International A/S Composite building elements
US4277925A (en) * 1979-05-04 1981-07-14 Kinser C Wayne Simulated log building structure
DE3006303A1 (de) * 1980-02-20 1981-08-27 Herbert 6000 Frankfurt Siller Wand- oder deckenbauelement, verfahren zu seiner herstellung und daraus hergestelltes bauteil
US4503648A (en) * 1982-12-09 1985-03-12 Mahaffey Donald H Lightweight composite building module
US4505085A (en) * 1982-12-03 1985-03-19 Oliver Wayne H Split panel assembly
US4517780A (en) * 1983-02-07 1985-05-21 Lacombe Gerard A Insulated wall unit construction
US4614071A (en) * 1983-11-16 1986-09-30 Sams Carl R Building blocks
US4840003A (en) * 1987-11-09 1989-06-20 Hearthstone Builders, Inc. Construction log and associated corner construction
US5103610A (en) * 1990-02-12 1992-04-14 Walters Victor R Log building element
US5182892A (en) * 1991-08-15 1993-02-02 Louisiana-Pacific Corporation Tongue and groove board product
US5325645A (en) * 1989-11-23 1994-07-05 True North Log Homes Intersecting joint
US5599136A (en) * 1993-04-07 1997-02-04 Wilke; Douglas A. Structure for topography stabilization and runoff control
WO1997016611A1 (en) * 1994-05-04 1997-05-09 Loef Roger Building element and method for manufacturing a building element
WO1998015396A1 (en) * 1996-10-07 1998-04-16 Peter Sing Laminated structural wood products and method
US6070376A (en) * 1998-09-03 2000-06-06 Asper; William D. Interfitting wooden and log walls
US6145261A (en) * 1998-03-20 2000-11-14 Weyerhaeuser Company Limited Tongue and groove board including a water drainage system
EP1184523A1 (de) * 2000-08-31 2002-03-06 Holzwerke Wimmer GmbH Verbundelement aus Holz und Wärmedämmung
US20030136065A1 (en) * 2000-04-17 2003-07-24 Gjems Ole Reidar Cogging element and cogging structure
US20050000176A1 (en) * 2001-09-15 2005-01-06 Morgenstern Richard C. Cast log structure
US20050115177A1 (en) * 2001-09-15 2005-06-02 Richard Morgenstern Cast log structure
US20060005500A1 (en) * 2004-07-07 2006-01-12 Vahak Hovnanian Mortar less brick wall construction
US20070033901A1 (en) * 2005-07-20 2007-02-15 Sylvain Tiberi Stackable insulated unit for wall construction and method
BE1016631A3 (nl) * 2005-06-09 2007-03-06 Bofa Nv Verbeterd paneel.
NO20055945A (no) * 2005-12-14 2007-06-11 Leif Melvin Nettum Bygningselement med isolasjon
US20080053022A1 (en) * 2006-07-13 2008-03-06 Marschke Carl R Hollow core floor and deck element
US20080083177A1 (en) * 2005-07-20 2008-04-10 Sylvain Tiberi Stackable insulated unit for wall construction and method of fabrication thereof
US20080127583A1 (en) * 2006-08-28 2008-06-05 Wrightman Robert A Log for log home
USD575879S1 (en) 2006-08-28 2008-08-26 Wrightman Ronald A Log
US20090056251A1 (en) * 2007-08-28 2009-03-05 Wrightman Robert A Log wall connector system
US20090199497A1 (en) * 2007-08-28 2009-08-13 Wrightman Robert A Log wall connector system
US7596916B1 (en) * 2004-03-25 2009-10-06 Richard Thomas Anderson Multi beveled interlocking corner notch and associated anti settling system
US20090288362A1 (en) * 2008-05-20 2009-11-26 Remi Perron Mounting method for a roof
GB2462854A (en) * 2008-08-22 2010-02-24 Wilsons Timber Co & Mfg Joiner Box structure, especially a compost box or planter
US20100154334A1 (en) * 2008-12-19 2010-06-24 White Larry E Wood-walled log structure having durable butt joints and method of manufacturing the same
US20100180527A1 (en) * 2007-10-05 2010-07-22 Hankook Styropol Co., Ltd Constructive light weight insulation block and construction method thereof
US20110185662A1 (en) * 2003-10-24 2011-08-04 Exterior Portfolio, Llc Foaming of simulated stone structures
US20110239573A1 (en) * 2010-03-31 2011-10-06 Lockhart Stacy L Wall Stud with a Thermal Break
USD673692S1 (en) * 2010-04-06 2013-01-01 Patrick Thornton Structural member
US8615963B2 (en) 2007-08-28 2013-12-31 Robert A. Wrightman Log wall connector system
US20140314989A1 (en) * 2013-04-19 2014-10-23 Produits Boreal Inc. Method for manufacturing a laminated log and the laminated log
US11168478B1 (en) * 2018-10-01 2021-11-09 Clint Hall Artificial insulated log
US20240318422A1 (en) * 2023-03-24 2024-09-26 Lancaster Log Cabins Logging Notch Assembly
USD1065604S1 (en) * 2023-03-24 2025-03-04 Lancaster Log Cabins Cabin log notch
USD1090901S1 (en) * 2023-06-21 2025-08-26 Lancaster Log Cabins Camping cabin
USD1090900S1 (en) * 2023-05-05 2025-08-26 Lancaster Log Cabins, LLC Cabin pod

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180860B (en) * 1985-09-07 1989-04-26 John David Terry Building boards and constructional kits
GB2632817A (en) * 2023-08-22 2025-02-26 Allwood Architectural Joinery Ltd Modular construction system and interconnectable block therefore

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919819A (en) * 1973-02-06 1975-11-18 Wayne H Oliver Self locking panel connector
US3992838A (en) * 1975-07-14 1976-11-23 New England Log Homes, Inc. Insulated wall log
US4096676A (en) * 1977-07-18 1978-06-27 Maurice Hibert Wall member
US4147001A (en) * 1977-11-07 1979-04-03 Oliver Wayne H Connector for wall panel structure
US4224774A (en) * 1978-08-31 1980-09-30 Rockwool International A/S Composite building elements
US4277925A (en) * 1979-05-04 1981-07-14 Kinser C Wayne Simulated log building structure
DE3006303A1 (de) * 1980-02-20 1981-08-27 Herbert 6000 Frankfurt Siller Wand- oder deckenbauelement, verfahren zu seiner herstellung und daraus hergestelltes bauteil
US4505085A (en) * 1982-12-03 1985-03-19 Oliver Wayne H Split panel assembly
US4503648A (en) * 1982-12-09 1985-03-12 Mahaffey Donald H Lightweight composite building module
US4517780A (en) * 1983-02-07 1985-05-21 Lacombe Gerard A Insulated wall unit construction
US4614071A (en) * 1983-11-16 1986-09-30 Sams Carl R Building blocks
US4840003A (en) * 1987-11-09 1989-06-20 Hearthstone Builders, Inc. Construction log and associated corner construction
US5325645A (en) * 1989-11-23 1994-07-05 True North Log Homes Intersecting joint
US5103610A (en) * 1990-02-12 1992-04-14 Walters Victor R Log building element
US5182892A (en) * 1991-08-15 1993-02-02 Louisiana-Pacific Corporation Tongue and groove board product
US5599136A (en) * 1993-04-07 1997-02-04 Wilke; Douglas A. Structure for topography stabilization and runoff control
WO1997016611A1 (en) * 1994-05-04 1997-05-09 Loef Roger Building element and method for manufacturing a building element
US5896723A (en) * 1995-06-21 1999-04-27 Sing; Peter Laminated wood structural units
WO1998015396A1 (en) * 1996-10-07 1998-04-16 Peter Sing Laminated structural wood products and method
CN1106249C (zh) * 1996-10-07 2003-04-23 彼特·辛 层叠结构木制品的制造方法
US6145261A (en) * 1998-03-20 2000-11-14 Weyerhaeuser Company Limited Tongue and groove board including a water drainage system
US6070376A (en) * 1998-09-03 2000-06-06 Asper; William D. Interfitting wooden and log walls
US20030136065A1 (en) * 2000-04-17 2003-07-24 Gjems Ole Reidar Cogging element and cogging structure
EP1184523A1 (de) * 2000-08-31 2002-03-06 Holzwerke Wimmer GmbH Verbundelement aus Holz und Wärmedämmung
US20050000176A1 (en) * 2001-09-15 2005-01-06 Morgenstern Richard C. Cast log structure
US20050115177A1 (en) * 2001-09-15 2005-06-02 Richard Morgenstern Cast log structure
US7444786B2 (en) 2001-09-15 2008-11-04 Concrete Log Systems, Inc. Cast log structure
US20110185662A1 (en) * 2003-10-24 2011-08-04 Exterior Portfolio, Llc Foaming of simulated stone structures
US7596916B1 (en) * 2004-03-25 2009-10-06 Richard Thomas Anderson Multi beveled interlocking corner notch and associated anti settling system
US20060005500A1 (en) * 2004-07-07 2006-01-12 Vahak Hovnanian Mortar less brick wall construction
BE1016631A3 (nl) * 2005-06-09 2007-03-06 Bofa Nv Verbeterd paneel.
US20070033901A1 (en) * 2005-07-20 2007-02-15 Sylvain Tiberi Stackable insulated unit for wall construction and method
US7823351B2 (en) 2005-07-20 2010-11-02 Thermo Structure Inc. Stackable insulated unit for wall construction and method of fabrication thereof
US20080083177A1 (en) * 2005-07-20 2008-04-10 Sylvain Tiberi Stackable insulated unit for wall construction and method of fabrication thereof
NO20055945A (no) * 2005-12-14 2007-06-11 Leif Melvin Nettum Bygningselement med isolasjon
NO323561B1 (no) * 2005-12-14 2007-06-11 Leif Melvin Nettum Bygningselement med isolasjon
US20080053022A1 (en) * 2006-07-13 2008-03-06 Marschke Carl R Hollow core floor and deck element
US20080127583A1 (en) * 2006-08-28 2008-06-05 Wrightman Robert A Log for log home
USD575879S1 (en) 2006-08-28 2008-08-26 Wrightman Ronald A Log
US8171683B2 (en) 2006-08-28 2012-05-08 Wrightman Robert A Log for log home
US20090199497A1 (en) * 2007-08-28 2009-08-13 Wrightman Robert A Log wall connector system
US8371080B2 (en) 2007-08-28 2013-02-12 Robert A. Wrightman Log wall connector system
US20090056251A1 (en) * 2007-08-28 2009-03-05 Wrightman Robert A Log wall connector system
US8615963B2 (en) 2007-08-28 2013-12-31 Robert A. Wrightman Log wall connector system
US20100180527A1 (en) * 2007-10-05 2010-07-22 Hankook Styropol Co., Ltd Constructive light weight insulation block and construction method thereof
US20090288362A1 (en) * 2008-05-20 2009-11-26 Remi Perron Mounting method for a roof
GB2462854A (en) * 2008-08-22 2010-02-24 Wilsons Timber Co & Mfg Joiner Box structure, especially a compost box or planter
GB2462854B (en) * 2008-08-22 2012-08-01 Wilsons Timber Co & Mfg Joiners Ltd Box structure
US20100154334A1 (en) * 2008-12-19 2010-06-24 White Larry E Wood-walled log structure having durable butt joints and method of manufacturing the same
US9103113B2 (en) * 2010-03-31 2015-08-11 Stacy L. Lockhart Wall stud with a thermal break
US20110239573A1 (en) * 2010-03-31 2011-10-06 Lockhart Stacy L Wall Stud with a Thermal Break
USD676150S1 (en) * 2010-04-06 2013-02-12 Patrick Thornton Structural member
USD673692S1 (en) * 2010-04-06 2013-01-01 Patrick Thornton Structural member
US20140314989A1 (en) * 2013-04-19 2014-10-23 Produits Boreal Inc. Method for manufacturing a laminated log and the laminated log
US11168478B1 (en) * 2018-10-01 2021-11-09 Clint Hall Artificial insulated log
US20240318422A1 (en) * 2023-03-24 2024-09-26 Lancaster Log Cabins Logging Notch Assembly
USD1065604S1 (en) * 2023-03-24 2025-03-04 Lancaster Log Cabins Cabin log notch
USD1090900S1 (en) * 2023-05-05 2025-08-26 Lancaster Log Cabins, LLC Cabin pod
USD1090901S1 (en) * 2023-06-21 2025-08-26 Lancaster Log Cabins Camping cabin

Also Published As

Publication number Publication date
DE1804818A1 (de) 1969-05-29
GB1225536A (enrdf_load_stackoverflow) 1971-03-17
DE1804818B2 (de) 1977-05-05

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