US2236948A - Plywood - Google Patents

Plywood Download PDF

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Publication number
US2236948A
US2236948A US188762A US18876238A US2236948A US 2236948 A US2236948 A US 2236948A US 188762 A US188762 A US 188762A US 18876238 A US18876238 A US 18876238A US 2236948 A US2236948 A US 2236948A
Authority
US
United States
Prior art keywords
wood
plywood
strips
cover plates
elements
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
Application number
US188762A
Other languages
English (en)
Inventor
Maurer Gottfried
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HALBERTSMA S FABRIEKEN VOOR HO
Original Assignee
HALBERTSMA S FABRIEKEN VOOR HO
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 HALBERTSMA S FABRIEKEN VOOR HO filed Critical HALBERTSMA S FABRIEKEN VOOR HO
Application granted granted Critical
Publication of US2236948A publication Critical patent/US2236948A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/205—Composite panels, comprising several elements joined together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/06—Manufacture of central layers; Form of central layers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0001—Tops
    • A47B2200/001—Manufacture of table tops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24066—Wood grain
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • Y10T428/24182—Inward from edge of web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • This invention relates to composite sheets for furniture panels, doors, partitions and the like.
  • the inner layer consists of pieces of wood or strips of plywood disposed and glued wholly or partly one against the other. In this case deformation of one piece or strip is transferred to the adjacent one and the deformation of Iall the wooden parts lying side by side will be multiplied so that waving or warping of the cover plates will result.
  • a panel, door or partition including two cover plates with an inner layer consists of unitary or composite -e1e ments, e. g., simple wood strips, the grain of which or of at least one of the components of which runs perpendicular to the cover plates, each element being separated from adjacent elements by an air space or chamber.
  • Fig. 3 shows a perspective view of the construction according to Figs. 1 and 2, in which the cover plate consists of two layers of veneer la and lb, tirel grains of which run perpendicular to each e1'.
  • Figs. 1 and 2 are vertical and horizontal sectional views respectively of a preferred construction of furniture panel where the spacing elements consist of composite elements separated lby open inter-chambers l. Each element comprises two cross-cut strips of thin wood 3 connected at the ends by strips or rods of long-cut wood 8.V The object of this assembly is that the two strips of cross-cut wood maintain the cover veneer plates I of the panel or door exactly the determined distance apart and when absorbing or losing moisture no expansion or shrinkage will take place.
  • a plywood construction comprising two cover plates and a wooden inner core construc- -tion between said cover plates, said inner core construction comprising a plurality of parallelly arranged box beam elements, each of said lbox beam elements comprising Ia pair of substantially longitudinally grained wooo strips adjacent to said 'cover plates, said wood strips being vertically separated by an air space, and a cross-cut'wood strip glued to each side of said pair of substantially longitudinally grained wood strips, said box beam elements being vso disposed Within said cover plates that each box beam element is separated from Ithe nearest box beam element by a small .air space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
US188762A 1937-02-27 1938-02-04 Plywood Expired - Lifetime US2236948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE203499X 1937-02-27

Publications (1)

Publication Number Publication Date
US2236948A true US2236948A (en) 1941-04-01

Family

ID=5776772

Family Applications (1)

Application Number Title Priority Date Filing Date
US188762A Expired - Lifetime US2236948A (en) 1937-02-27 1938-02-04 Plywood

Country Status (3)

Country Link
US (1) US2236948A (de)
CH (1) CH203499A (de)
FR (1) FR832590A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432979A (en) * 1945-08-29 1947-12-23 Attwell P Bob Fabricated wood staging plank
WO2018004430A1 (en) * 2016-06-27 2018-01-04 Ikea Supply Ag Hollow board

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011115897A1 (de) * 2011-05-14 2012-11-15 Kettler Consulting & Engineering Leichtbauplatte, Verfahren zur Herstellungund Vorrichtung zur Herstellung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432979A (en) * 1945-08-29 1947-12-23 Attwell P Bob Fabricated wood staging plank
WO2018004430A1 (en) * 2016-06-27 2018-01-04 Ikea Supply Ag Hollow board
US11247438B2 (en) 2016-06-27 2022-02-15 Ikea Supply Ag Hollow board
US11691393B2 (en) 2016-06-27 2023-07-04 Ikea Supply Ag Hollow board
US12172411B2 (en) 2016-06-27 2024-12-24 Ikea Supply Ag Hollow board

Also Published As

Publication number Publication date
CH203499A (de) 1939-03-15
FR832590A (fr) 1938-09-29

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