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Seams without superposition

 

Welding without superposition is the most accurate system for joining the bands of:- Schermiperproiezionifrontali- Schermiperretroproiezioni- CclormsRrtrils- Light diffusers- Scenic and decorative backdrops
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Seams without superposition poorly visible from a few metres.Avoiding the overlapping with the film for frontal projections is very important ...
... but it becomes indispensable with film for rear projections.Welding without superposition is carried out with the same method for all films ...

... but its visibility varies.Here, we compare the films:- RNV-Nevada- RAR-Arizona- RNO-Notturnoin front projection ...
Welding without superposition is the most accurate system for joining the bands of:- Schermiperproiezionifrontali- Schermiperretroproiezioni- CclormsRrtrils- Light diffusers- Scenic and decorative backdrops
... and here in rear projection.The visibility of the seam depends on:- the pigmentation of the film- its thickness- its embossing- the brightness of the projection.
It is used for the manufacturing of
Frontal projection screens
Rear-projection screens
Rear-illuminated backdrops
Ghiaccio transparent backdrops
Decorative vinyl backdrops
Characteristics
the cold welding without overlaps allows to get some junctions that are nearly invisible at a distance of observation of few meters
custom realization of backdrops with virtually unlimited size
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