Stock material or miscellaneous articles – Display in frame or transparent casing; or diorama including... – Peripheral enclosure or frame
Patent
1996-07-17
1999-08-31
Epstein, Henry F.
Stock material or miscellaneous articles
Display in frame or transparent casing; or diorama including...
Peripheral enclosure or frame
428131, G09F 112
Patent
active
059451793
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
Field of the Invention
This invention relates to the general fields relating to communication and paper and more particularly a new paper type sheet-shaped support or similar element for receiving information or marking by means of printing or reproduction.
In FR-A 2 525 370, published on Oct. 21, 1983, which concerns an advertising medium for equipping all glazed surfaces without masking them, especially those of motor vehicles and taxis, there is a description of a medium whose material is printed and then perforated, the method being identical to the one for producing currently sold decorative sun-visors. The examples given do not describe any technical means able to respond to the questions posed, but, on the contrary, radically differ from the currently known technique in printing sectors.
In DE-A 28 38 028, published on Mar. 13, 1980, there is disclosed a method for feeding woven materials into printing machines sheet by sheet, this document solely concerning woven materials. The present invention, further described below, concerns a paper type print medium or the like whose characteristics cannot be assimilated with woven materials.
SUMMARY OF THE INVENTION
The present invention concerns a paper type sheet-shaped medium for printing or reproduction and formed of a sheet provided with a multitude of regularly distributed perforations and which provides a non-perforated integral portion constituting means able to have the medium picked up by the printing or reproduction material grasping system so as to obtain a one-face transparent paper able to be used as conventional expendable substance by said materials. The aforementioned two documents are, therefore, radically different from the principle of the present invention.
The support of the invention appears in the form of a paper type sheet or similar element provided with a multitude of regularly distributed perforations. This perforated sheet is intended to receive a visual display in the form of an informative, decorative or marking document by a conventional reproduction (reproduction graphics) or printing technique (offset, silk screen printing or other technique). Once marked on the front side, this support constitutes a one-face transparent paper i.e., one-way transparent paper able to be secured to a window, for example. On the outer side, the front side of this one face transparent paper is illuminated by the light: the visual display appears clearly and the perforations are not visible. On the inner side, the perforations allow the light to pass and the document appears approximately transparent. This transparency printing is advantageously reinforced by providing a colored flat tint on the back side (preferably black) which enables the light to be absorbed.
Surprisingly, the impact caused by the perforation technique used provides the paper sheet with greater rigidity and improves it resistance. In addition, the use of this technique significantly limits the influences of a hygrometric variation of the air on the evenness of the paper with respect to conventional full sheets.
This support makes it possible to obtain advertising posters, promotional cards, posters and sun visors which filter the light and thus no longer mask the clarity of glazed surfaces on the inner side.
The perforations of the sheet preferably have a surface area of close to 0.8 mm.sup.2 and are advantageously distributed according to a density of about 20 to 30 per cm.sup.2 in the form of a regular screen.
According to another disposition of the invention, the support comprises a non-perforated peripheral frame which reinforces its structure: this solid frame avoids any ill-timed tearing and any accidental deterioration of the material.
According to one particular embodiment, the sheet fitted with perforations comprises a non-perforated portion on at least one of its borders. This non-perforated portion is suitably disposed and has dimensions so that it extracts the sheet with the aid of traditional vacuum means of the printing or repr
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