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FR2171949A1 - Honeycomb core structure - with firm bond to end facing sheets - Google Patents

Honeycomb core structure - with firm bond to end facing sheets

Info

Publication number
FR2171949A1
FR2171949A1 FR7205258A FR7205258A FR2171949A1 FR 2171949 A1 FR2171949 A1 FR 2171949A1 FR 7205258 A FR7205258 A FR 7205258A FR 7205258 A FR7205258 A FR 7205258A FR 2171949 A1 FR2171949 A1 FR 2171949A1
Authority
FR
France
Prior art keywords
core
facing sheets
cellular
cell
walls
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.)
Withdrawn
Application number
FR7205258A
Other languages
French (fr)
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.)
INTERLOCKING SYSTEMS INT
Original Assignee
INTERLOCKING SYSTEMS INT
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 INTERLOCKING SYSTEMS INT filed Critical INTERLOCKING SYSTEMS INT
Priority to FR7205258A priority Critical patent/FR2171949A1/en
Publication of FR2171949A1 publication Critical patent/FR2171949A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/334—Filling the preformed spaces or cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D24/00—Producing articles with hollow walls
    • B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
    • B29D24/005—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having joined ribs, e.g. honeycomb
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D3/00—Making articles of cellular structure, e.g. insulating board
    • B31D3/02—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section
    • B31D3/0284—Laminating honeycomb cores; applying cover sheets to core edges; working core edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D3/00—Making articles of cellular structure, e.g. insulating board
    • B31D3/02—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section
    • B31D3/0292—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section involving auxiliary operations, e.g. expanding, moistening, glue-applying, joining, controlling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/007—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/146—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers whereby one or more of the layers is a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • E04C2/365—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 by honeycomb structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/024—Honeycomb

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

A cellular honeycomb core structure combprises a concentina-type cellular core formed of fold strips of a width equal to the depth of the cellular structure, so that the core can be folded flat with all the strips parallel and of a width equal to the depth of the core when opended and has closure walls across the ends of the cells constituting the outer faces of the complete structure, these walls being bonded to the transverse cell walls over a bonding area approximately equal to the cross section of each cell. In a preferred manufacturing method, the facing sheets receive an inner coating of cool foaming platic just before they are applied to the cellular core, in contact with the facing sheets this foam expands forming a plug in the open end of each cell so that the facing sheets are firmly bonded to the core itself.
FR7205258A 1972-02-16 1972-02-16 Honeycomb core structure - with firm bond to end facing sheets Withdrawn FR2171949A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7205258A FR2171949A1 (en) 1972-02-16 1972-02-16 Honeycomb core structure - with firm bond to end facing sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7205258A FR2171949A1 (en) 1972-02-16 1972-02-16 Honeycomb core structure - with firm bond to end facing sheets

Publications (1)

Publication Number Publication Date
FR2171949A1 true FR2171949A1 (en) 1973-09-28

Family

ID=9093612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205258A Withdrawn FR2171949A1 (en) 1972-02-16 1972-02-16 Honeycomb core structure - with firm bond to end facing sheets

Country Status (1)

Country Link
FR (1) FR2171949A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008960A2 (en) * 1978-09-13 1980-03-19 Sekisui Kagaku Kogyo Kabushiki Kaisha A foamed resin structural material and process for manufacturing the same
EP0628406A2 (en) * 1993-05-13 1994-12-14 Ciba-Geigy Ag Near-surface enhancement of honeycomb sandwich structures to improve durability using a foaming adhesive
NL1000088C2 (en) * 1995-04-07 1996-10-08 Besin Bv Method for rendering expanded paper honeycomb core material, and honeycomb core material obtained therewith, moisture- or water-resistant.
EP1872933A1 (en) * 2006-06-19 2008-01-02 Lufthansa Technik AG Method of preparation of composite article being covered with a wooden veneer
EP2065186A1 (en) 2007-11-30 2009-06-03 Homag Holzbearbeitungssysteme AG Method for manufacturing a lightweight construction sheet and device for executing the method
EP2363277A1 (en) * 2004-06-18 2011-09-07 Zephyros Inc. Panel Structure
EP3339007A1 (en) * 2014-12-22 2018-06-27 MAGNA STEYR Fahrzeugtechnik AG & Co KG Method and device for producing a sandwich component
US20230158784A1 (en) * 2020-04-06 2023-05-25 Teijin Limited Vehicle component unit and method for producing a vehicle component unit

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008960A3 (en) * 1978-09-13 1980-04-16 Sekisui Kagaku Kogyo Kabushiki Kaisha A foamed resin structural material and process for manufacturing the same
EP0008960A2 (en) * 1978-09-13 1980-03-19 Sekisui Kagaku Kogyo Kabushiki Kaisha A foamed resin structural material and process for manufacturing the same
EP0628406A2 (en) * 1993-05-13 1994-12-14 Ciba-Geigy Ag Near-surface enhancement of honeycomb sandwich structures to improve durability using a foaming adhesive
EP0628406A3 (en) * 1993-05-13 1995-04-26 Ciba Geigy Ag Near-surface enhancement of honeycomb sandwich structures to improve durability using a foaming adhesive.
NL1000088C2 (en) * 1995-04-07 1996-10-08 Besin Bv Method for rendering expanded paper honeycomb core material, and honeycomb core material obtained therewith, moisture- or water-resistant.
WO1996031339A1 (en) * 1995-04-07 1996-10-10 Besin B.V. A method for making expanded paper honeycomb core material moisture- or waterproof, and the thus obtained honeycomb core material
EP2363277A1 (en) * 2004-06-18 2011-09-07 Zephyros Inc. Panel Structure
EP1872933A1 (en) * 2006-06-19 2008-01-02 Lufthansa Technik AG Method of preparation of composite article being covered with a wooden veneer
EP2065186A1 (en) 2007-11-30 2009-06-03 Homag Holzbearbeitungssysteme AG Method for manufacturing a lightweight construction sheet and device for executing the method
EP2065186B1 (en) * 2007-11-30 2012-03-28 Homag Holzbearbeitungssysteme AG Method for manufacturing a lightweight construction sheet
EP3339007A1 (en) * 2014-12-22 2018-06-27 MAGNA STEYR Fahrzeugtechnik AG & Co KG Method and device for producing a sandwich component
US10308003B2 (en) 2014-12-22 2019-06-04 Magna Steyr Fahrzeugtechnik Ag & Co Kg Method and apparatus for manufacturing a sandwich part
US10807350B2 (en) 2014-12-22 2020-10-20 Magna Steyr Fahrzeugtechnik Ag & Co Kg Method and apparatus for manufacturing a sandwich part
US20230158784A1 (en) * 2020-04-06 2023-05-25 Teijin Limited Vehicle component unit and method for producing a vehicle component unit

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Legal Events

Date Code Title Description
ST Notification of lapse