WO2003027409A1 - Systeme et procede permettant de menager des orifices d'inspection dans un mur ferme au cours de son processus de production - Google Patents

Systeme et procede permettant de menager des orifices d'inspection dans un mur ferme au cours de son processus de production Download PDF

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Publication number
WO2003027409A1
WO2003027409A1 PCT/US2002/028833 US0228833W WO03027409A1 WO 2003027409 A1 WO2003027409 A1 WO 2003027409A1 US 0228833 W US0228833 W US 0228833W WO 03027409 A1 WO03027409 A1 WO 03027409A1
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WO
WIPO (PCT)
Prior art keywords
viewport
outward
closed
closed wall
outward layer
Prior art date
Application number
PCT/US2002/028833
Other languages
English (en)
Inventor
William J. Plsek
Ellen M. Harris
Original Assignee
Dow Global Technologies Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Inc. filed Critical Dow Global Technologies Inc.
Publication of WO2003027409A1 publication Critical patent/WO2003027409A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/14—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements being composed of two or more materials

Definitions

  • the invention relates to the building industry. More specifically, the invention relates to an inspection system and method for providing viewports in a closed wall.
  • walls are fabricated by erecting on a foundation a structural frame that is usually formed from timber.
  • the frame is subsequently clad internally with a suitable material, which is usually finished to conceal the joints with a wall covering.
  • An exterior wall is usually made from concrete block, brick veneer, or a suitable cladding material that is fastened to the timber frame.
  • Common exterior cladding materials include wood, fiber-reinforced cement, and aluminum.
  • Inspections are usually required throughout the construction. For example, formal inspections are dictated by governmental codes and regulations and or privately required measures. A building inspector will inspect the quality of materials, spacing, size, and placement of structural members, the member's attachment to adjacent surfaces, such as the foundation and roof, and other aspects, as is necessary. Similarly, an inspection is typically required on electrical, plumbing, and other services installed in the building. The inspections will typically occur prior to enclosing the wall, ceiling, or other building section, because the services or structural members are hidden after such closure.
  • closed walls typically include one or more structural materials and one or more, typically two, surface materials, also known as “skins” that enclose the members therebetween.
  • Some closed walls include insulating board sandwiched or otherwise disposed between the skins with or without structural or other members.
  • the closed walls are made in relatively large sections, such as four feet by eight feet or larger. The closed walls can be brought to the building site, set in place, and fastened to rapidly erect walls or other portions of the building. Further, the materials used in the closed walls can be made from non-conventional materials and promote ecological conservation. Despite such advantages, acceptance of the closed wall technology has been slow.
  • the present invention provides one or more viewports formed at predetermined locations that allow a person performing an inspection to view an inside member of a closed wall system.
  • the viewports can be disposed at predetermined locations that do not significantly impair the structural characteristics of the outward layers or inside members.
  • the viewports are formed in one or more outward layers during fabrication of a closed wall system.
  • the closed wall system can be mass- produced in a manufacturing facility, although the closed wall system may be fabricated at the job site.
  • the invention provides an inspection system for a closed wall, comprising a closed wall having at least one inside member disposed between at least two outward layers of material and at least one viewport formed at a predetermined position in at least one of the two outward layers during fabrication of the closed wall.
  • the invention provides a method of preparing an inspection system for a closed wall, comprising providing at least one inside member, forming at least one viewport in at least one outward layer of material, and enclosing the inside member between the outward layer having the viewport and a second outward layer.
  • the invention also provides an inspection system for a closed wall, comprising a closed wall having at least one inside member disposed between at least two outward layers of material, and at least one viewport formed at a predetermined location in at least one of two outward layers during fabrication of the closed wall and prior to covering of the outward layer having a viewport with the inside member, the location being determined by a known or anticipated location of the inside member in the closed wall.
  • Figure 1 is a perspective schematic view of a building having a closed wall.
  • Figure 2 is a perspective schematic view of a closed wall with an open viewport.
  • Figure 3 is a cross-sectional schematic view of a closed wall with a closed viewport.
  • Figure 4 is a cross-sectional schematic view of a closed wall with another closed viewport.
  • Figure 5 is a cross-sectional schematic view of a closed wall with another closed viewport.
  • FIG. 1 is a perspective schematic view of a building having a closed wall.
  • a building 10 is representative of any building upon which a closed wall may be installed.
  • Building 10 can include residential, commercial, industrial, and other types of structures.
  • the building can include any shape that can be constructed such as rectangular, square, multi-story, single-story, geodesic, or any other shape in which a building may be made.
  • a building will include a foundation 12, walls 14, and roof 16.
  • the foundation 12 can be any typical foundation, such as but not limited to, a slab, wood, beam, steel, raised platform, and other types of underlying supports. Further, the foundation can be the upper level of a lower story in a multi-story building. Generally, one or more walls 14 form a supporting surface between the foundation and a roof.
  • the term "wall,” “walls,” and like terms are used broadly herein and can include exterior or interior walls that may be vertical, horizontal, or at angles to the foundation, as is appropriate to the particular building design.
  • the roof 16 is shown to be an angled roof as would generally exist in many buildings. However, it is to be understood that the roof can have any shape as is appropriate, including a flat roof found in many buildings. Further, the building 10 can have one or more doors 18 and one or more windows 20.
  • An exterior 22 of the building 10 generally includes an exterior medium such as brick, stone, metal, wood, fiberglass, composites, and other materials to protect from weather, theft, and other aspects known to those with ordinary skill in the art.
  • a closed wall shown in more detail in Figure 2, can be installed inwardly of the building exterior 22.
  • the closed wall generally is a composite wall containing a first outward layer 24 and a second outward layer 26 with one or more inside members enclosed or otherwise disposed therebetween.
  • One or more of the outward layers 24, 26 can include a variety of structural or nonstructural material.
  • the outward layers can include materials made from sheetrock, plywood, particle board, oriented strand board (OSB), laminates, f ⁇ berboard, insulation boards and other insulating materials, films, plastics, metals, and other building materials.
  • the second outward layer can be made of similar materials.
  • inside member is intended to include any member(s) or fearure(s) that can be disposed or formed at least partially between the first and second outward layers 24, 26.
  • some inside members can be studs, insulation, headers, elements of the plumbing or electrical systems, such as pipes, vents, conduits, wires, and rigid and flexible insulation, or other elements as can exist between the two outward members in a building.
  • the inside members can include openings, such as holes of various sizes and shapes, access ports, and other void areas.
  • a standard closed wall thickness can be formed from about 7/16 inch thick outward layers and each about 3-1/2 inches thick inside members, although the thicknesses can vary depending on the building and materials used. Insulative, plumbing, electrical, and other elements can be installed therein.
  • Full-length studs 28 generally known as kings studs, are used to support the wall along its length.
  • Shorter supports 34 may be used to support other headers 36 below building structures, such as the window 20.
  • a structure supporting the roof 16, generally termed herein upper structure 38 can include joists, rafters, braces, and other supports. Further, the upper structure 38 can include girders, beams, and other supports for multi-story building structures.
  • one or more of the outward layers can be laminated or otherwise coupled to the inside member, such as a insulation foam core, during the fabrication process.
  • the outward members can be provided and the foam core or other inside member can be formed between the outward layers.
  • inside members disposed between the outward layers 24, 26 can include elements of the plumbing system 40, such as pipes, vents, drains, and other plumbing elements.
  • the inside members disposed in the space between the outward layers 24, 26 can include elements of an electrical system.
  • Such elements can include conduits, wires, boxes, switches, and other typical electrical elements.
  • An interior 44 is formed inward of the closed wall. As described above, generally an inspector can inspect the structure from the interior 44 of a typical construction and determine that the various members are satisfactory. With the closed wall system, the inside elements described above are not visible and not subject to ready inspection to determine the sufficiency, quality, and presence of the inside member(s).
  • the term "inspector” is used broadly herein as intended to include any person or device that views, determines, ascertains, measures, examines, or otherwise inspects one or more items of interest.
  • the viewports of the present invention, shown in Figure 2 provide an ability to readily inspect interior portions of the closed wall.
  • Figure 2 is a perspective schematic view of a closed wall with an open viewport.
  • the closed wall 50 generally includes a first outward layer 24 and a second outward layer 26.
  • the inside member 51 can include one or more elements such as studs 52, 58, and 60 and other structural elements, and insulation member 54.
  • the insulation member 54 can include any insulation material generally used in closed wall systems, including relatively rigid foam cores, polyurethane, polystyrene, EPS, XPS, and polyisocyanurate, more flexible materials, such as fiberglass batting, or other materials known to those with ordinary skill in the art.
  • inside member(s) 51 can include plumbing elements 56, such as pipes and other elements described above, and electrical element(s) 57 such as an electrical wire, conduit, and other general electrical elements, as well as features, such as openings through which the plumbing, electrical and other elements can be disposed or accessed in the closed wall.
  • Other systems can be included within the gamut of inside member(s) 51, as would generally be found in a building structure.
  • the present invention allows an inspection of the inside members in a predetermined and controlled manner.
  • the inspection system of the present invention includes one or more viewports 62 formed at predetermined locations in one or more of the outward layers 24, 26.
  • the predetermined locations of the viewports can be determined by the known or anticipated locations of the inside member(s) to be inspected.
  • the viewport(s) 62 can be formed through the thickness of the outward layer(s). If desired, the viewport can be resealed upon completion of the inspection by a suitable insert, plug, or fill material.
  • the viewports 62 can be spaced at predetermined intervals to account for general spacing of structural members, requested spacing by an inspector or architect, or some other requirements.
  • the viewports 62 can be spaced in line or staggered at some predetermined configuration. If the viewports are in a vertical closed wall, then it may be advantageous to have the viewports at some position that would readily facilitate viewing through the viewports, such as an average eye-level height.
  • the predetermined viewport positions can advantageously be at junctions where such positions have minimal, if any, structural, visual, insulative, or other effect upon the associated outward layer.
  • the viewports can be made at specifically selected strategic locations to view one or more inside members, such as junctions between studs and headers, junctions having multiple inside members, angles or bends in piping that may need inspection for leaks, and other locations based on selected criteria as may be appropriate in general or for job-specific closed walls.
  • the viewports can be made at predetermined positions that are uniformly spaced in the closed walls.
  • the viewports can be a standard size or may vary in shape and size depending on the location and size of the inside member(s) to be viewed, such as viewport 62'.
  • Some viewports can be at least partially closed, such as viewport 62", including viewports described in Figures 3-5.
  • the viewport can be covered by a transparent or translucent material so that the inside member is still viewable, and thus still considered an open viewport herein.
  • the viewports can be formed after coupling the inside member(s) with the outer layer(s). Viewports can also be formed prior to coupling the outward layer(s) with the inside member. Generally, the outward layers are coupled to insulative or structural members. The viewports can be formed in the outward layers after or prior to such coupling.
  • the term "coupling” is used broadly herein and is intended to include any method of securing, binding, bonding, fastening, attaching, joining, inserting therein, forming thereon or therein, or otherwise associating one or more of the layers and members together.
  • the inside members are not otherwise visible from the external faces of the outward layers after assembly of the wall into the building structure and sometimes after fabrication of the closed wall itself.
  • the viewports can be formed on both outward layers.
  • the viewports can be formed in the outward layer 24, so that inspections can be made of the closed wall attachment to the foundation or adjacent structure.
  • Other viewports can be formed in outward layer 26, so that inspections of plumbing, electrical, framing members, such as pipes, wiring, conduit, studs and headers, and other inside members may be made even after the exterior 22 of the building is installed.
  • the viewport can be created consistently in predetermined positions in a manufacturing environment.
  • the viewport can be formed in the outward layers at other stages of the overall fabrication process of the closed wall.
  • the one or more of the outer layers may be coupled with the inside member at the job site.
  • the viewports can be formed at a job site in the closed walls at predetermined positions.
  • the viewports can be produced in any manner known to those with ordinary skill in the art including, but not limited to, manually, power-assisted such as with electrical and pneumatic tools, semi-automatically with an operator directing the formation of the viewport, or in an automatic, integrated system as part of the outward layer manufacturing process.
  • an automatic integrated system can include, for example, mixers, presses, ovens, conveyors, punches, and other equipment, as would be apparent to those with ordinary skill in the art, given the understanding provided by the description of the invention contained herein.
  • a viewport can be formed in the first outward layer to align with any inside member 51 disposed between the outward layers 24, 26, such that the inside member can be viewed either directly or at some angle through a viewport.
  • a viewport can be formed in the other outward layer and can be aligned with a viewport in the first outward layer so that by looking through one viewport the other viewport can be seen. This positioning may facilitate ready inspection of these inside members.
  • the viewport can be plugged or otherwise closed after inspection to facilitate thermal insulative properties, air flow, privacy, and other aspects.
  • Figure 3 is a cross-sectional schematic view of a closed wall with a closed viewport.
  • a viewport 65 does not extend through the thickness of the corresponding outward layer and is closed.
  • a closed viewport 65 can be formed through a portion of the corresponding outward layer, generally leaving a relatively thin portion 66 of the corresponding outward layer.
  • the closed viewport 65 can be formed on an inside surface of the outer layer, so that the viewport is substantially hidden from the outside.
  • the viewport can be formed on an outside surface of the outer layer, as described in Figure 4.
  • the thin portion 66 can be removed if desired at a later time to allow an inspection of the inside member 51.
  • the thin portion 66 can be removed mechanically with a hammer or screwdriver, chisel, or automatically with power tools, such as a router, or other devices as could be used in a typical construction job site.
  • the viewport can have a weakened portion 70 about its periphery or another portion of the viewport to facilitate removal of at least part of the thin portion 66.
  • the weakened portion 70 can be formed, for example, by perforating, die cutting, and other methods of weakening a material to facilitate later removal as is known in the art.
  • the weakened portion 70 can extend fully through the thickness of the thin member and/or outer layer or partially therethrough.
  • An indicator 66 can be placed on an opposite surface from the closed viewport 65 to indicate a location of the viewport 65 when the viewport 65 is hidden from external view.
  • the indicator 66 can be formed about the periphery or another portion of the viewport and include the weakened portion 70.
  • the indicator can also include a marking, indention, protrusion, or other element that would indicate the presence of a viewport.
  • numerous viewports 65 on the material layer can be formed in one or more of the outward layers, but hidden from external view and accessed at discretionary times and places.
  • FIG. 4 is a cross-sectional schematic view of a closed wall with another embodiment of the closed viewport. The embodiment is similar to the embodiment described in reference to Figure 3.
  • the viewport 65 is formed toward the outer surface of the outward layer(s) 24, 26 and the thin section 66 is formed inwardly from the outer surface.
  • a weakened portion 70 can be formed in the thin section and/or outward layer to facilitate removal of at least part of the thin section by perforating, die cutting, or by other methods of at least partially weakening materials to facilitate later removal, as is known in the art.
  • Figure 5 is a cross-sectional schematic view of a closed wall with another embodiment of the closed viewport.
  • the closed viewports 65 maybe formed without the thin member, for example, by using a weakened portion 70.
  • the weakened portion 70 can define the periphery of the viewport in the outer layer, so that if the weakened portion is removed, the viewport is at least partially open.
  • the weakened portion can extend partially or fully through the thickness of the outer layer.

Abstract

L'invention concerne un ou plusieurs orifices d'inspection (62) ménagés en des endroits prédéterminés permettant d'inspecter un élément interne (51) situé à l'intérieur d'un système de mur fermé (50). Ces orifices d'inspection (62) peuvent être disposés en des endroits prédéterminés ne portant significativement pas atteinte aux caractéristiques structurales des couches extérieures ou des éléments internes. Dans au moins un mode de réalisation de la présente invention, les orifices d'inspection (62) sont formés dans une ou plusieurs couches extérieures au cours de la production d'un système de mur fermé (50). D'une manière générale, ledit système de mur fermé (50) peut être produit en grandes séries dans une installation de fabrication, bien que ce système de mur fermé (50) puisse être assemblé sur le chantier.
PCT/US2002/028833 2001-09-26 2002-09-10 Systeme et procede permettant de menager des orifices d'inspection dans un mur ferme au cours de son processus de production WO2003027409A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/964,013 US20030056452A1 (en) 2001-09-26 2001-09-26 System and method for providing viewports in a closed wall fabrication process
US09/964,013 2001-09-26

Publications (1)

Publication Number Publication Date
WO2003027409A1 true WO2003027409A1 (fr) 2003-04-03

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WO (1) WO2003027409A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2644120A1 (fr) * 2006-02-28 2007-09-07 All-Terior Systems Llc Systemes et procedes de finition d'un bord d'un mur a coffrage en beton isolant (icf)
US20110067320A1 (en) * 2006-09-11 2011-03-24 Raymond Lee Call Wall-Mount Adjustment Systems And Methods
US8069622B2 (en) * 2008-02-14 2011-12-06 All-Terior Systems Llc Systems and methods for finishing a penetration in a concrete structure during construction
BR112021008507A2 (pt) * 2018-11-14 2021-08-03 Innovative Building Technologies, Llc sistema de construção modular
US11519173B2 (en) 2021-11-10 2022-12-06 Global Bamboo Technologies, Inc. Automated MEPI design for hollow wall construction

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529389A (en) * 1968-09-30 1970-09-22 Comstruct Inc Modular building wall structure with electrical raceway means
US4881352A (en) * 1987-07-30 1989-11-21 Karl Glockenstein Wall panel arrangement
US5007223A (en) * 1990-02-20 1991-04-16 Holland Andrew P Blind anchoring of wall fixtures
WO1996035023A1 (fr) * 1992-06-12 1996-11-07 Heydon John J Structure de construction amelioree et son mode d'utilisation
US5875594A (en) * 1997-03-06 1999-03-02 Teknion Furniture Systems Access door for office panelling system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529389A (en) * 1968-09-30 1970-09-22 Comstruct Inc Modular building wall structure with electrical raceway means
US4881352A (en) * 1987-07-30 1989-11-21 Karl Glockenstein Wall panel arrangement
US5007223A (en) * 1990-02-20 1991-04-16 Holland Andrew P Blind anchoring of wall fixtures
WO1996035023A1 (fr) * 1992-06-12 1996-11-07 Heydon John J Structure de construction amelioree et son mode d'utilisation
US5875594A (en) * 1997-03-06 1999-03-02 Teknion Furniture Systems Access door for office panelling system

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