DE3231173C2 - Composite element made of rigid foam core and cover layers - Google Patents

Composite element made of rigid foam core and cover layers

Info

Publication number
DE3231173C2
DE3231173C2 DE3231173A DE3231173A DE3231173C2 DE 3231173 C2 DE3231173 C2 DE 3231173C2 DE 3231173 A DE3231173 A DE 3231173A DE 3231173 A DE3231173 A DE 3231173A DE 3231173 C2 DE3231173 C2 DE 3231173C2
Authority
DE
Germany
Prior art keywords
composite element
foam core
rigid foam
longitudinal edges
longitudinal
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
Application number
DE3231173A
Other languages
German (de)
Other versions
DE3231173A1 (en
Inventor
Heinz 5910 Kreuztal Westhaus
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.)
Fried Krupp AG Hoesch Krupp
Original Assignee
Hoesch Werke AG
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 Hoesch Werke AG filed Critical Hoesch Werke AG
Priority to DE3231173A priority Critical patent/DE3231173C2/en
Priority to JP58149717A priority patent/JPS5976245A/en
Publication of DE3231173A1 publication Critical patent/DE3231173A1/en
Application granted granted Critical
Publication of DE3231173C2 publication Critical patent/DE3231173C2/en
Expired 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of 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
    • 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
    • B32B3/02—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 features of form at particular places, e.g. in edge regions
    • B32B3/06—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 features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E04F13/081—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and covering elements
    • E04F13/0821—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and covering elements the additional fastening elements located in-between two adjacent covering elements
    • E04F13/0826—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and covering elements the additional fastening elements located in-between two adjacent covering elements engaging side grooves running along the whole length of the covering elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E04F13/0878—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer the basic insulating layer comprising mutual alignment or interlocking means
    • 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
    • B32B2311/00—Metals, their alloys or their compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Connection Of Plates (AREA)
  • Vibration Dampers (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

Bei einem Verbundelement aus einem Hartschaumkern und vorzugsweise zwei metallischen Deckschichten, dessen Längsränder zu einer Längsverbindung zusammensetzbar sind, die mittels eines Widerlagers über eine Innenverschraubung mit der Unterkonstruktion verschraubt ist, ist zur Einleitung größerer Befestigungskräfte das Widerlager durch im Hartschaumkern (3) angeordnete Befestigungsbleche (7, 8) gebildet.In the case of a composite element made of a rigid foam core and preferably two metallic cover layers, the longitudinal edges of which can be put together to form a longitudinal connection that is screwed to the substructure by means of an abutment via an internal screw connection, the abutment is supported by fastening plates (7) arranged in the rigid foam core (3) in order to introduce greater fastening forces , 8) formed.

Description

Die Erfindung betrifft ein Verbundelement aus einem Hartschaumkern und zwei Deckschichten, insbesondere aus Metall, die in dem Bereich der Längsränder abgekantet sind, bei dem die Längsränder so ausgestaltet sind, daß sie mit denen benachbart anzuordnender Bauelemente passend längsverbindbar sind, und bei dem im Bereich der Längsränder Widerlager angeordnet sind, in die je eine Schraube zur Innenverschraubung der Verbundelemente mit einer Unterkonstruktion einschraubbar ist.The invention relates to a composite element made of a rigid foam core and two cover layers, in particular made of metal, which are bevelled in the area of the longitudinal edges in which the longitudinal edges are designed in this way are that they are suitably longitudinally connectable with those components to be arranged adjacent, and in the case of the im Area of the longitudinal edges abutments are arranged, in each of which a screw for internal screwing of the Composite elements can be screwed into a substructure.

Bei einer derartigen z. B. aus DE-GM 19 86 169 bekannten Nut-Feder-Längsverbindung wird die innere Deckschicht über einen Widerlager-Finger und eine Schraube gehalten. Zur Kraftüberleitung in die äußere Deckschicht und zur Verbindung mit dieser ist ein Kunststoffprofil erforderlich. Diese Ausführungsform ist für ein Verbundelement ohne ein derartiges Kunststoffprofil nicht verwendbar, da es durch die hohe Punktbelastung im Verschraubungsbereich zu Zerstörungen kommt. Eine Innenverschraubung wird jedoch in vielen Fällen, — vorwiegend aus optischen Gründen, z. B. Sichtbarkeit der Verschraubung und Verhinderung örtlicher Verformungen im Bereich der Befestigung — angestrebt.In such z. B. from DE-GM 19 86 169 known tongue and groove longitudinal connection is the inner Cover layer held over an abutment finger and a screw. For transferring forces to the outside A plastic profile is required for the top layer and for connection to it. This embodiment cannot be used for a composite element without such a plastic profile, because the high Point loading in the screw connection area leads to destruction. An internal screw connection is however in many cases, - mainly for visual reasons, e.g. B. Visibility of the screw connection and prevention local deformations in the area of the attachment - aimed.

Bekannte Verbundelemente mit eingeschäumten Widerlagern zur Krafteinleitung haben den Nachteil, daß vor der Fertigung die Widerlagerpunkte genau festgelegt werden müssen und nicht mehr verändert werden können. Bei späteren Änderungen oder Toleranzabweichungen in der Unterkonstruktion passen diese Widerlager dann nicht mehr mit der Konstruktion überein und können nicht mehr verwendet werden. Diese Nachteile kann man vermeiden durch eingeschäumte, durchgehend streifenförmige Wideriager. Da diese aber nur an.Known composite elements with foamed-in abutments for introducing force have the disadvantage that Before production, the abutment points must be precisely defined and no longer be changed can. These abutments fit in the case of later changes or tolerance deviations in the substructure then no longer match the design and can no longer be used. These disadvantages can be avoided by foamed-in, continuously strip-shaped abutments. But since this only

den Kreuzpunkten mit der Unterkonstruktion verbunden werden, kommen etwa 2—3% der eingebauten Widerlager zum Einsatz und verteuern unnötig das Verbundelement.
Der Erfindung liegt deshalb die Aufgabe zugrunde, ein Verbundelement zu schaffen, bei dem in einfacher Weise auch bei Verbundelementen ohne Kunststoffprofil durch eine Innenverschraubung größere Befestigungskräfte eingeleitet werden können. Gemäß der Erfindung wird dazu bei einem Verbundelement der eingangs näher beschriebenen Gattung vorgeschlagen, daß jedes Wideriager aus einem nachträglich vom Rand her in den Hartschaumkern eingebrachtes Befestigungsblech besteht, das sich im Hartschaumkern im wesentlichen parallel zu den Deckschichten erstreckt.If the crosspoints are connected to the substructure, about 2-3% of the built-in abutments are used and unnecessarily increase the cost of the composite element.
The invention is therefore based on the object of creating a composite element in which greater fastening forces can be introduced in a simple manner, even in the case of composite elements without a plastic profile, by means of an internal screw connection. According to the invention it is proposed for a composite element of the type described in more detail that each abutment consists of a fastening plate which is subsequently introduced into the rigid foam core from the edge and extends in the rigid foam core essentially parallel to the cover layers.

Durch die erfindungsgemäße Lösung wird erreicht, daß die Befestigungsbleciie größere Krafteinleitungsflächen und damit kleinere Flächenpressungen ergeben, so daß eine Übertragung größerer Kräfte ermöglicht wird.The solution according to the invention ensures that the fastening sheets have larger force introduction surfaces and thus result in smaller surface pressures, so that a transmission of larger forces is made possible.

Von weiterem Vorteil ist die einfache Verwendung durch Einbringen der Befestigungsbleche vom Längsrand, insbesondere bei kontinuierlich hergestellten Verbundelementen.
Durch die einzuschlagenden Widerlager können bei jedem Verbundelement und allen Abstandsmaßen der Unterkonstruktion jeweils die optimalen Befestigungspunkte gewählt und als Widerlager genutzt werden. Another advantage is the simple use by introducing the fastening plates from the longitudinal edge, in particular in the case of continuously manufactured composite elements.
Due to the abutments to be driven in, the optimal fastening points can be selected for each composite element and all spacing dimensions of the substructure and used as an abutment.

In Ausgestaltung der Erfindung können von den Befestigungsblechen wenigstens einige den Legeren Schenkel eines im Querschnitt U-förmigen Blechteils mit unterschiedlich langen Schenkeln bilden, beide Schenkel Einschlagspitzen aufweisen und die Blechteile so angeordnet sein, daß der U-Steg am Längsrand des Verbundelementes anliegt.In an embodiment of the invention, at least some of the fastening plates can have the leger legs form a sheet metal part with a U-shaped cross-section with legs of different lengths, both legs Have impact points and the sheet metal parts are arranged so that the U-web on the longitudinal edge of the composite element is applied.

Bei einer Nut-Feder-Längsverbindung können die U-_ förmigen Blechteile an der Nut-Seite so angeordnet sein, daß der kürzere Schenkel in die durch die Abkantung der oberen Deckschicht gebildete Profilierung im Bereich des Längsrandes eingeschlagen ist.In the case of a tongue and groove longitudinal connection, the U-shaped sheet metal parts can be arranged on the groove side in this way be that the shorter leg in the profiling formed by the fold of the upper cover layer in the Area of the long edge is struck.

Dadurch wird z. B. bei einer Nut-Feder-Längsverbindung durch das Eingreifen des kürzeren Schenkels in die Randprofilierung der oberen Deckschicht auch diese gehalten. Gleichzeitig wird durch diese Ausbidung auch die obere Deckschicht der Feder-Seite gehalten.This z. B. with a tongue and groove longitudinal connection by engaging the shorter leg in the edge profile of the upper cover layer, this too held. At the same time, this formation also holds the upper cover layer on the tongue side.

Dadurch, daß am kürzeren Schenkel des Blechteils mehrere Einschlagspitzen unterschiedlicher Länge angeordnet sind, wird das Eintreiben in die Deckschichten wesentlich erleichtert.Characterized in that several impact tips of different lengths are arranged on the shorter leg of the sheet metal part are, the driving into the cover layers is made much easier.

Nachfolgend wird die Erfindung anhand eines in den Zeichnungen schematisch dargestellten Ausführungsbeispieles näher erläutert. Im einzelnen zeigt The invention is explained in more detail below with the aid of an exemplary embodiment shown schematically in the drawings. In detail shows

F i g. 1 einen Teil einer fertig montierten Wand in der Vorderansicht
F i g. 2 die zugehörige Seitenansicht im Schnitt gemäß H-II in Fig. 1F i g. 1 a part of a completely assembled wall in the front view
F i g. 2 the associated side view in section according to H-II in FIG. 1

F i g. 3 den Schnitt gemäß III-III in F i g. 1 in vergrößertem Maßstab
Fig.4 zwei Befestigungsbleche in schaubildlicherF i g. 3 the section according to III-III in F i g. 1 on an enlarged scale
Fig. 4 two mounting plates in diagrammatic form

Darstellung.Depiction.

Gemäß F i g. 1 und 2 sind kontinuierlich hergestellte, für eine Nut-Feder-Längsverbindung 1 vorbereitete Verbundelemente 2, die aus einem Hartschaumkern 3 und einer oberen und unteren Deckschicht 4, 5 bestehen, mit gewindefurchenden Schrauben 6 und in den Hartschaumkern eingeschlagenen Befestigungsblechen 7,8 von außen nicht sichtbar, mit der Unterkonstruktion 9 verschraubtAccording to FIG. 1 and 2 are continuously produced, prepared for a tongue and groove longitudinal connection 1 Composite elements 2, which consist of a rigid foam core 3 and an upper and lower cover layer 4, 5, with self-tapping screws 6 and mounting plates hammered into the rigid foam core 7.8 not visible from the outside, with the substructure 9 screwed

Das in die Feder-Seite 10 eingeschlagene Befestigungsbiech 7 ist mit einer Einschlagspitze 11 und glattflächig ausgebildet. Das ebenfalls mit einer Einschlagspitze Ii versehene Befestigungsblech 8 bildet den längeren Schenkel eines im Querschnitt U-förmigen Blechteils 12, das mit seinem kürzeren Schenkel 13 und daran angeordneten Einschlagspitzen 14, von denen die mittlere eine größere Länge aufweist, auf der Nut-Seite 15 bis zur Anlage des U-Steges 16 in die Profilierung der oberen Deckschicht 4 eingeschlagen wird.The fastening area 7 knocked into the tongue side 10 is designed with a knock-in tip 11 and has a smooth surface. That also with a point of impact Ii provided mounting plate 8 forms the longer one Leg of a sheet metal part 12 of U-shaped cross-section, which with its shorter leg 13 and on it arranged impact tips 14, of which the middle has a greater length, on the groove side 15 to is knocked into the profile of the upper cover layer 4 to plant the U-web 16.

Die Montage erfolgt so, daß in die kontinuierlich gefertigten Verbundelemente 2 nach dem Aufstellen Löcher durch die Unterkonstruktion 9, die untere Deckschicht 5, den Hartschaumkern 3 und das Befestigungsblech 7 bzw. 8 gebohrt werden. In die Löcher werden dann gewindefurchende Schrauben 6 eingebracht, wobei bei U-förmiger Unterkonstruktion 9 zur Montageerleichterung mit Klemmstücken 17 gearbeitet wird.The assembly is carried out in such a way that holes are made in the continuously manufactured composite elements 2 after they have been set up through the substructure 9, the lower cover layer 5, the rigid foam core 3 and the mounting plate 7 or 8 can be drilled. Thread-forming screws 6 are then introduced into the holes, wherein in the case of a U-shaped substructure 9, clamping pieces 17 are used to facilitate assembly.

Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings

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Claims (4)

IS;-lit;' Patentansprüche:IS; -lit; ' Patent claims: 1. Verbundeiement aus einem Hartschaumkern und zwei Deckschichten, insbesondere aus Metall, die in dem Bereich der Längsränder abgekantet sind, bei dem die Längsränder so ausgestaltet sind, daß sie mit denen benachbart anzuordnender Bauelemente passend längsverbindbar sind, und bei dem im Bereich der Längsränder Widerlager angeordnet sind, in die je eine Schraube zur Innenverschraubung der Verbundelemente mit einer Unterkonstruktion einschraubbar ist, dadurch gekennzeichnet, daß jedes Widerlager aus einem nachträglich vom Rand her in den Hartschaumkern (3) eingebrachtes Befestigungsblech (7, 8) besteht, das sich im Hartschaumkern im wesentlichen parallel zu den Deckschichten erstreckt1. Composite element made from a rigid foam core and two cover layers, in particular made of metal, which are bevelled in the area of the longitudinal edges, in which the longitudinal edges are designed in such a way that they are aligned with those of the components to be arranged next to one another are suitably longitudinally connectable, and in the area the longitudinal edges abutments are arranged, in each of which a screw for internal screwing of the Composite elements can be screwed into a substructure, characterized in that that each abutment from a subsequently introduced from the edge into the rigid foam core (3) Fastening plate (7, 8) is made, which is in the rigid foam core essentially parallel to the cover layers extends 2. Verbundelement nach Anspruch 1, dadurch gekennzeichnet, öa3 von den Befestigungsblechen wenigstens einige (8) den längeren Schenke! eines im Querschnitt U-förmigen Blechteils (12) mit unterschiedlich langen Schenkeln bilden, daß beide Schenkel Einschlagspitzen (11, 14) aufweisen und daß die Blechteile (12) so angeordnet sind, daß der U-Steg (16) am Längsrand des Vsrbundelementes anliegt2. Composite element according to claim 1, characterized in that öa3 at least some (8) of the longer tavern of the mounting plates! one in Cross-section of U-shaped sheet metal part (12) with legs of different lengths that both Have legs impact tips (11, 14) and that the sheet metal parts (12) are arranged so that the U-web (16) rests on the longitudinal edge of the Vsrbundelementes 3. Verbundelement nach Anspruch 2 mit für eine Nut-Feder-Längsverbindung geeignet ausgebildeten Längsrändern, dadurch gekennzeichnet, daß die U-förmigen Blecv teile (12) an der Nut-Seite so angeordnet sind, daß der kürzere Schenkel (13) in die durch die Abkantung der oberen Deckschicht gebildete Profilierung im Bereich des Län^srandes eingeschlagen ist3. The composite element according to claim 2 with a tongue and groove longitudinal connection suitably shaped longitudinal edges, characterized in that the U-shaped sheet me v parts (12) side groove are arranged on the that the shorter leg (13) in the The profiling formed by the folding of the upper cover layer is struck in the area of the longitudinal edge 4. Verbundelement nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß am kürzeren Schenkel (13) des Blechteils (12) mehrere Einschlagspitzen (14) unterschiedlicher Länge angeordnet sind.4. The composite element according to claim 2 or 3, characterized in that the shorter leg (13) of the sheet metal part (12) several impact tips (14) of different lengths are arranged.
DE3231173A 1982-08-21 1982-08-21 Composite element made of rigid foam core and cover layers Expired DE3231173C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3231173A DE3231173C2 (en) 1982-08-21 1982-08-21 Composite element made of rigid foam core and cover layers
JP58149717A JPS5976245A (en) 1982-08-21 1983-08-18 Composite material consisting of hard foamed substance core and coating layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3231173A DE3231173C2 (en) 1982-08-21 1982-08-21 Composite element made of rigid foam core and cover layers

Publications (2)

Publication Number Publication Date
DE3231173A1 DE3231173A1 (en) 1984-02-23
DE3231173C2 true DE3231173C2 (en) 1984-06-07

Family

ID=6171425

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3231173A Expired DE3231173C2 (en) 1982-08-21 1982-08-21 Composite element made of rigid foam core and cover layers

Country Status (2)

Country Link
JP (1) JPS5976245A (en)
DE (1) DE3231173C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650612B1 (en) * 1989-08-07 1991-10-31 Smac Acieroid FIXING DEVICE FOR FACADE PANELS
JPH0519193U (en) * 1991-08-26 1993-03-09 サンキン株式会社 Shipping container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL140029B (en) * 1964-07-24 1973-10-15 Hunter Douglas BUILDING PANEL WITH AN INTERNAL SKIN AND AN EXTERIOR SKIN.
JPS5136535A (en) * 1974-09-20 1976-03-27 Sansha Electric Mfg Co Ltd SAIRISUTASEIRYUSOCHINOCHOKURETSUNTENSOCHI
JPS5137839A (en) * 1974-09-27 1976-03-30 Yamazaki Denki Kogyo Kk GASUSHINHOHO
US3996479A (en) * 1975-07-03 1976-12-07 Westinghouse Electric Corporation Comparator/bistable circuit
JPS5429186U (en) * 1977-07-29 1979-02-26

Also Published As

Publication number Publication date
JPS6357232B2 (en) 1988-11-10
JPS5976245A (en) 1984-05-01
DE3231173A1 (en) 1984-02-23

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