Card – picture – or sign exhibiting – Changing exhibitor – Double reel and web
Patent
1989-06-07
1991-12-17
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Changing exhibitor
Double reel and web
40471, 40472, G09F 1118
Patent
active
050725335
DESCRIPTION:
BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATIONS
This is a National Phase Application of PCT/BE88/00028 filed Oct. 7, 1988 and based, in turn, upon Belgium application Nos. 8701141 of Oct. 7, 1987 and 8701464 of Dec. 21, 1987 under the International Convention.
FIELD OF THE INVENTION
The present invention relates to advertising made up of advertising posters using paper or any other printing support in tape form and arranged in sequence, and relates to an unwinding system for such posters.
BACKGROUND OF THE INVENTION
From French patent FR-A-2 205 243 a system is known with two drums driven by a chain rolling up a flexible polyester, fabric or cloth film. On this film symbols, figures or letters may be stuck, welded or fastened. This system is only useful for small pictures, texts or signals as complete posters, either stuck or fastened, crease or tear during rolling.
From German patent DE-A-2 514 074 an unwinding system for an endless tape is known, on which advertisements, drawings or other articles are attached either by sticking or by fastening, but in this system there is no rolling up.
The horizontal or vertical transport or a tape comprising a series of advertisements or a support for advertisements arranged in sequence, poses the problem of its guidance. The tape rolled onto a reel has to move over two return axes before rolling onto a second reel in order to then return to the first reel.
OBJECTS OF THE INVENTION
It is the object of the present invention to provide a structure avoiding drawbacks of the prior art.
Yet, another object is to provide a system of a perfectly guided transport tape which adheres well to paper.
SUMMARY OF THE INVENTION
These problems of the transport of the tape bearing the advertisements are solved according to the invention by forming the transport tape of polyethylene glycol terephthalate.
The transport tape according to the invention made of polyethylene glycol terephthalate has various advantage. Due to its perfect insulating qualities it has a very great electrostatic adhesion with the advertisements at the same time providing an ideal support for them.
A transport tape of this type is very flexible and very resistant to wear and tearing. It is 100% transparent which is necessary for illuminating the advertisements with neon tubes. Its dimensions are stable under different conditions, i.e. held under a large force at temperatures varying from -20.degree. C. to 100.degree. C., it is completely insensitive to humidity.
According to the invention, the posters of paper or other printing support are loaded onto the transport tape by units without being stuck there, which allows one or another of the advertisements to be easily replaced unlike the present system made up of a band formed of several posters connected to each other.
According to the invention each poster is fixed separately at its four corners onto the transport tape by a self-adhesive and flexible profiled strip in order to allow a slight displacement of the poster on the support caused by rolling up and the guarantee of an automatic return to the original position.
According to the invention, at more or less regular intervals, narrow vertical flaps are provided on the support tape made of the same material as the support tape and secured to the tape in such a way as to provide a recess for the insertion of the lateral edge of the poster, in order to keep it in position and allow it to move slightly horizontally to the left and to the right owing to the rolling up.
The unrolling system according to the invention is also characterized in that it comprises a guiding system for the transport band comprising an endless tape stretched around return axes and set in motion by the transport band bearing the posters.
The invention also relates to an arrangement of reels in an unrolling system for double-sided advertising posters. This arrangement is characterized in that the reels on one side are arranged in line in relation to the reels on the other side.
BRIEF DESCRIPTION OF THE DRAWING
These and other featu
REFERENCES:
patent: 2167518 (1939-07-01), Lins
patent: 2549452 (1951-04-01), Green
patent: 3426461 (1969-02-01), Miller
patent: 3485094 (1969-12-01), Simpson
patent: 3510973 (1970-05-01), Mazzocco, Sr.
patent: 4090315 (1978-05-01), Brown, Jr. et al.
Gerhard Winkelmann
Heinz Doepgen
Vermeulen Jean
Dorner Kenneth J.
Dubno Herbert
Hakomaki J.
Kateshov Yuri
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