DE1974249U - STRUCTURAL STRUCTURE OR COMPONENT, SUCH AS A TOWER OR PILLAR, MADE OF FIBERGLASS, MADE FROM SHELL ELEMENTS. - Google Patents

STRUCTURAL STRUCTURE OR COMPONENT, SUCH AS A TOWER OR PILLAR, MADE OF FIBERGLASS, MADE FROM SHELL ELEMENTS.

Info

Publication number
DE1974249U
DE1974249U DEP29306U DEP0029306U DE1974249U DE 1974249 U DE1974249 U DE 1974249U DE P29306 U DEP29306 U DE P29306U DE P0029306 U DEP0029306 U DE P0029306U DE 1974249 U DE1974249 U DE 1974249U
Authority
DE
Germany
Prior art keywords
connection
component
fiberglass
shell
hollow body
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
DEP29306U
Other languages
German (de)
Inventor
Heinrich Pfuetzner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEP29306U priority Critical patent/DE1974249U/en
Publication of DE1974249U publication Critical patent/DE1974249U/en
Expired legal-status Critical Current

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Classifications

    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/63—Internally supporting the article during joining
    • B29C66/636—Internally supporting the article during joining using a support which remains in the joined object
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/766—Poles, masts, posts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Description

Aus Schalenelementen zusammengesetztes biegungs- und verdrehungssteifes, in .Form eines kegelstumpfartigen Hohlkörpermantels ausgeführtes Bauwerk oder Bauteil, wie z.B. Turm oder Säule aus Glasfaserkunststoff.Bending and torsion-resistant structure or component made of shell elements, in the form of a truncated cone-like hollow body shell, such as a tower or column Fiberglass.

Die Heuerung betrifft ein biegungs- und verwindungssteifes Bauwerk, wie z.B. einen Turm oder eine Säule, insbesondere ein turmartiges Bauwerk,das als Antennenträger einer Flugsicherungseinrichtung dient. Es ist bekannt, ein solches Bauwerk als einen selbsttragenden, im Querschnitt runden, ovalen oder polygonalen Hohlkörper aus einem nichtmetallischen Baustoff, beispielsweise Kunststoff, auszubilden, welcher zylindrisch, kegelig oder ähnlich geformt ist aus durchlaufenden Längsstreifen besteht, die in kraft- und formschlüssiger Verbindung einen geschlossenen Hohlkörpermantel ergeben. Diese den Hohlkörper durchlaufenden Längsstreifen bestehen aus Schalen, welche entsprechend der Peripherie des Torbestimmten Hohlkörpers geformt sind und an ihren Längskanten nach innen in Form von radial verlaufenden Flanschen abgebogen sind.The hiring concerns a bend-resistant and torsion-resistant Structure, such as a tower or a column, in particular a tower-like structure that serves as an antenna carrier for an air traffic control facility serves. It is known such a structure as a self-supporting, in cross-section round, oval or polygonal Hollow body from a non-metallic building material, for example plastic, to be formed, which is cylindrical, conical or similar is formed from continuous longitudinal strips, which in non-positive and positive connection a closed hollow body jacket result. These longitudinal strips running through the hollow body consist of shells, which are shaped according to the periphery of the door specific hollow body and on their longitudinal edges are bent inwards in the form of radially extending flanges.

Diese Flansche stellen bei dem zusammengesetzten Bauwerk ein störendes Element in dem Gesamtgefüge dar; sie erzeugen nämlich, insbesondere bei Belastungen jeglicher Art Störspannungen, die die innere Festigkeit des Bauwerkes beträchtlich herabsetzen» Ein homogener Hohlkörpermantel in Kegelstumpfform stellt bekanntlich eine in statischer Hinsicht ausbalancierte, also ideale Bauform für ein turmartiges Raumgebilde dar, und es ist nun die Aufgabe der Neuerung, ein derartiges Bauwerk so aus Schalenelementen zusammenzusetzen, dass der Idealzustand dieses statisch ausgewogenen Gebildes erhalten bleibt. Es müssen daher die für die Zusammenfügung der Längskanten bisher verwendeten radial verlaufenden Flansche durch andere Verbindungsmittel in der Weise ersetzt werden, dass das statische Gleichgewicht des homogenen kegelstumpfartigen Hohlkörpermantels nicht gestört wird,In the assembled structure, these flanges represent a disruptive element in the overall structure; namely, they generate especially with loads of any kind interference voltages that reduce the internal strength of the structure considerably represents a statically balanced, so ideal design for a tower-like spatial structure, and it is now the The task of the innovation is to assemble such a structure from shell elements in such a way that the ideal state of this is static balanced structure is preserved. It must therefore be the radial used for joining the longitudinal edges running flanges are replaced by other connecting means in such a way that the static equilibrium of the homogeneous frustoconical hollow body shell is not disturbed,

- Blatt 2 -- Page 2 -

Eine Lösung hierzu gibt die Neuerung, die darin besteht, dass die Berührungskanten der aneinanderzugügenden Schalenelemente, die zumeist aus durchlaufenden Längsstreifen bestehen, einerseits glatt verlaufen, also eine normale Abschlusskante bilden, andererseits mit einer falzartigen Aussparung entlang der Kante versehen sind, und die Verbindung durch ein festes Zusammenfügen ( Zusammenstecken) der korrespondierenden Teile erfolgt (Nut-und Federverbindung)·A solution to this is the innovation, which consists in the fact that the contact edges of the Shell elements, which are mostly made up of continuous longitudinal strips exist, on the one hand run smoothly, i.e. form a normal end edge, on the other hand with a fold-like recess are provided along the edge, and the connection by firmly joining (plugging together) of the corresponding parts (tongue and groove connection)

Einzelheiten des Gegenstandes der Neuerung sind in der nachfolgenden Beschreibung an Hand der Zeichnung näher erläutert. Es zeigenDetails of the subject of the innovation are given below Description explained in more detail with reference to the drawing. Show it

Figur 1 die Seitenansicht eines kegelstumpfartig geformten turmartigen Gebildes;1 is a side view of a frustoconically shaped tower-like G e image;

Figur 2 einen Längsschnitt durch das Bauwerk;FIG. 2 shows a longitudinal section through the structure;

Figur 3 einen Teilquerschnitt durch die Nahtstelle zweier zusammengefügter Schalenelemente; FIG. 3 shows a partial cross-section through the interface between two shell elements that have been joined together;

Figur 4 die perspektivische Darstellung eines Schalenelementes (Teilansicht mit Qu«rschnittsansieht).FIG. 4 shows the perspective illustration of a shell element (partial view with Cross-sectional view).

Die Zeichnung stellt nur ein Bgispiel für die Neuerung dar, und es wird bemerkt, dass auch andere Wege für die Lösung der der Neuerung zugrunde liegenden Aufgabe möglich sind.The drawing is only an example of the innovation and it is noted that other ways of solving the problem underlying the innovation are also possible are.

Aus den Figuren 1 und 2 sind zunächst die Form und der Aufbau des turmartigen Gebildes zu erkennen. In dem gewählten Beispiel hat es die Gestalt eines stumpfkegeligen Hohlkörpers aus einem nichtmetallischen Baustoff, beispielweise Kunststoff. Vorzugsweise wird Glasfaserkunststoff verwendet. Der Hohlkörper kann auch eine zylindrische oder eine andere geeignete Form haben und im Querschnitt rund oder auch oval sein. Die Öffnungsränder des Hohlkörpers weisen Anschlussflansche 2/3 auf. Der Hohlkörper besteht ausFrom Figures 1 and 2, the shape and structure of the tower-like structure can be seen first. In the chosen For example, it has the shape of a frustoconical hollow body made of a non-metallic building material, for example Plastic. Fiberglass is preferably used. The hollow body can also be cylindrical or different have a suitable shape and be round or oval in cross-section. The opening edges of the hollow body point Connection flanges 2/3 open. The hollow body consists of

durchlaufenden Längsstreifen 1a, 1b, 1e .., die diecontinuous longitudinal strips 1a, 1b, 1e .., which the

Gestalt von Schalen haben» Diese sind entsprechend der Peripherie des Hohlkörpers geformt.Shells have the shape of »These are shaped according to the periphery of the hollow body.

Die Verbindung der schalenartigen Längsstreifen an-ihren Längskanten erfolgt nun nicht, wie bisher üblich war, durch radial verlaufende Flansche, sondern durch Verbindungsmittel, welche die eingangs dargelegten Nachteile bezüglich des statischen Verhaltens des zusammengesetzten Baukörpers nicht aufweisen. Dazu sind gemäss der Neuerung die Schalenelemente 1a, 1b, 1c so ausgebildet, dass dieThe connection of the shell-like longitudinal strips on theirs Longitudinal edges are now not made, as was previously the case, with radially running flanges, but with fasteners, which the disadvantages outlined above with regard to the static behavior of the assembled structure do not exhibit. According to the innovation, the shell elements are for this purpose 1a, 1b, 1c designed so that the

Berührungskanten 4/5 (Figur 3) einerseits glatt verlaufen, also eine normale Abschlusskante bilden, andererseits mit einer falzartigen Aussparung entlang der Kante versehen sind. Diese Aussparung, wie sie die Figur 4 bei 6 zeigt und wie sie im Schnitt in der Figur 3 dargestellt ist, kann durch eine leichte Ab- oder Ausbiegung 8 und einen von innen her angebrachten (durch Druck aufgeklebten) Streifen hergestellt werden.Contact edges 4/5 (Figure 3) on the one hand run smoothly, so form a normal end edge, on the other hand with a fold-like recess are provided along the edge. This recess, as shown in FIG. 4 at 6 and as shown in section in FIG. 3, by a slight bend or bend 8 and one of strips attached to the inside (glued on by pressure).

Claims (1)

- Matt 3 -- Matt 3 - Von wesentlicher Bedeutung ist dabei, dass - vor allem aus hochfrequenztechnischen Gründen - scharfkantige Übergänge an den Nahtstellen der dann zusammengefügten Teile oder Sprünge in dem stetigen Verlauf der Manteloberfläche vermieden werden. Die Verbindung erfolgt durch ein Zusammenstecken der korrespondierenden Teile und durch Zusammenkleben der sich berührenden Flächen. Diese Zusammenfügung hat den Charakter einer Nut-Feder-Verbindung, und es wird damit erreicht, dass - im Gegensatz zu der Flanschverbindung - eine einwandfreie Übertragung der in der Wand wirksamen Kräfte ermöglicht wird.It is essential that - especially for reasons of high frequency technology - sharp-edged Transitions at the seams of the then joined parts or cracks in the continuous course of the jacket surface be avoided. The connection is made by plugging the corresponding parts together and through Gluing together the touching surfaces. This assembly has the character of a tongue and groove connection, and it This ensures that - in contrast to the flange connection - a perfect transmission of the in the wall effective forces is made possible. Bs ist selbstverständlich, dass die falzartige Aussparung oder die Nut 6 auch durch eine andere Gestaltung der einen freien Längskante des Schalenelementes bzw. des Streifens hergestellt werden kann, 25.B. dadurch, dass man die Mantelfläche des Schalenelementes 1 frei, also ohne die Abbiegung (Figur 3) auslaufen lässt und den Gegenstreifen 7 so abbiegt, dass eine FaIa oder eine Nut entsteht. Wesentlich ist dabei immer, dass bei einer Beanspruchung des Gesamtgefüges keine Störspannungen auftreten, die die Festigkeit beeinträchtigen würden.It goes without saying that the fold-like recess or the groove 6 also by a different design of the one free longitudinal edge of the shell element or the strip can be produced, 25.B. by having the outer surface of the shell element 1 can run out freely, i.e. without the bend (Figure 3) and the mating strip 7 bends so that that a faIa or a groove arises. What is essential is always that when the overall structure is stressed, no interference voltages occur that impair strength would. Das aus Glasfaserkunststoff bestehende Bauelement eignet sich, wie schon angedeutet, besonders zur Errichtung von Antennenträgern der Flugsicherungseinrichtungen der Luftnavigation, da es in Gebieten mit besonders starkem Luftverkehr notwendig ist, das bereits vorhandene Drehfunkfeuer beispielsweise mit einem Entfernungsmessgerät zu ergänzen» Gerade hierbei ist es notwendig, dass bei den mitunter enormen Beanspruchungen der frei stehenden Türme durch starken Wind oder Sturm eine einwandfreie Standfestigkeit sowie hohe Biege- und Verdrehungsfestigkeit gewährleistet wird. Diese Festigkeit wird durch die erfindungsgemässe Zusammenfügung der Schalenelemente in besonders hohem Masse erzielt.The component made of fiberglass is particularly suitable, as already indicated, for the construction of Antenna supports for air navigation services, as it is necessary in areas with particularly heavy air traffic to use the existing rotary radio beacon for example to be supplemented with a distance measuring device »Here in particular it is necessary that with the enormous stresses on the free-standing towers from strong winds or storms a perfect stability and high flexural and torsional strength is guaranteed. This strength is achieved by the inventive Assembly of the shell elements achieved to a particularly high degree. Es sei noch erwähnt, dass dank dieser günstigen statischen Eigenschaften ein Bauelement in der in den Figuren 1 und 2 gezeigten Form nach oben oder unten eine Fortsetzung erfahren kann, indem weitere Bauelemente gleicher oder unterschiedlicher Grosse auf die Flansche 2 oder 3 aufgestockt bzw. angesetzt werden. Es können auf diese Weise höhere Türme errichtet werden. Die Anschlussflansche 2 und 3 können nach aussen oder innen gerichtet sein - sie stellen Sektoren der jeweiligen Gesamtendflansche des Hohlkörpers dar.It should also be mentioned that, thanks to these favorable static properties, a component in the form shown in FIGS The shape shown can be continued upwards or downwards by adding more components that are the same or different Large can be increased or attached to the flanges 2 or 3. In this way higher towers can be built to be erected. The connection flanges 2 and 3 can be directed outwards or inwards - they represent sectors of the the respective overall end flanges of the hollow body. SchutzanspruchClaim to protection Aus Schalenelementen zusammengesetztes biegungs- und verdrehungssteifes in Form eines kegelstumpfartigen Hohlkörpermantels ausgeführtes Bauwerk oder Bauteil, wie z.B. Turm oder Säule aus Glasfaserkunststoff, dadurch gekennzeichnet,Bending and torsion-resistant structure composed of shell elements in the form of a truncated cone Hollow body shell executed building or component, such as a tower or column made of fiberglass, characterized Blatt 4 -Sheet 4 - dass dl« Berülirangekanten (4/5) der ddrü 3kltthat the «Berülirangekanten (4/5) the ddr 3klt aneiJt«iidr«idrügndii oala«aen (1a, 1bt 1ο......), die »uaeiet auu durchlauf endefe Länge streifen. Taeeteben «im#rseite glatt rerlaafim» al«© elat normale ATaeehltteskante bilden, andererseits mit einer falzartigen den t Ttrlamf d#r Mantelofeerf!Seil· mieiit waatatlioli etöresdea Aussparung (6) lang der Kante versehen sind, und ■Verbindung durch ein festes Eueammeaftlgea (Zueaamenstecken) der korrespondierenden feile srfolgt (Iut-feder-Tid) aneiJt "iidr" idrügndii oala "aen (1a, 1b t 1ο ......), the" uaeiet also strip the end of the length. Taeeteben «in the back smooth rerlaafim» al «© elat form normal ATaeehltteskante, on the other hand with a fold-like the t Ttrlamf d # r Mantelofeerf! Seil · mieiit waatatlioli etöresdea recess (6) long of the edge, and ■ connection by a solid Eueammeaftlgea (Zueaamenhaben) the corresponding file srfollow (Iut-feder-Tid)
DEP29306U 1967-05-10 1967-05-10 STRUCTURAL STRUCTURE OR COMPONENT, SUCH AS A TOWER OR PILLAR, MADE OF FIBERGLASS, MADE FROM SHELL ELEMENTS. Expired DE1974249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP29306U DE1974249U (en) 1967-05-10 1967-05-10 STRUCTURAL STRUCTURE OR COMPONENT, SUCH AS A TOWER OR PILLAR, MADE OF FIBERGLASS, MADE FROM SHELL ELEMENTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP29306U DE1974249U (en) 1967-05-10 1967-05-10 STRUCTURAL STRUCTURE OR COMPONENT, SUCH AS A TOWER OR PILLAR, MADE OF FIBERGLASS, MADE FROM SHELL ELEMENTS.

Publications (1)

Publication Number Publication Date
DE1974249U true DE1974249U (en) 1967-12-07

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Application Number Title Priority Date Filing Date
DEP29306U Expired DE1974249U (en) 1967-05-10 1967-05-10 STRUCTURAL STRUCTURE OR COMPONENT, SUCH AS A TOWER OR PILLAR, MADE OF FIBERGLASS, MADE FROM SHELL ELEMENTS.

Country Status (1)

Country Link
DE (1) DE1974249U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2509594A1 (en) 1974-03-06 1975-09-11 Metal Cladding Inc STAND CONTAINER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2509594A1 (en) 1974-03-06 1975-09-11 Metal Cladding Inc STAND CONTAINER
DE2559945C2 (en) * 1974-03-06 1984-11-22 Metal Cladding, Inc., North Tonawanda, N.Y. Container made of glass fiber reinforced plastic

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