Coating apparatus – Solid applicator contacting work – Movably mounted applicator
Patent
1994-11-28
1997-05-06
Edwards, Laura
Coating apparatus
Solid applicator contacting work
Movably mounted applicator
118264, 118DIG15, 1523011, 1523016, 1523017, B05C 100
Patent
active
056266723
DESCRIPTION:
BRIEF SUMMARY
FIELD
The invention relates to a paint or decorating roller. In particular, the present invention has been developed with the aim of providing a roller for producing contrast effects such as those produced with pads, that is, a new tool for producing impressions on walls or other freshly-painted surfaces or for painting impressions on a wall, the impressions being o:f the type which up to now could only be produced by means of pads made of absorbent fabric, squeezed manually by the painter.
STATEMENT OF THE ART
The prior art includes European patent application EP-302662 which, in order to achieve decorative effects, for breaking the continuity of a coat of paint applied to the surface to be painted, provides for a decorating tool constituted by a roller to the outer surface of which are fixed flat appendages with continuous, flexible, longitudinal portions which have cross-sections like open "V"s and are inclined to the axis of the roller at an angle of between 0.degree. and 50.degree., the inner end of each portion being connected to the outer surface of the roller and its outer ends being free.
The prior art also includes British patent 60463.0, which provides for a decorating tool constituted by a roller supported rotatably by a grip with a forked end constituted by a core on which are force-fitted small irregular rings each formed by a bent triangular strip which is perforated in correspondence with the axis of the roller, to form an uneven, roughly cylindrical, outer surface; this produces a surface decorated with motifs such as wavy, substantially parallel stripes, in order to simulate, for example, a wood grain.
The prior art also includes European patent application EP-A-0 406 514 which provides for a painting roller having a roller body carrying a plurality of resilient elements fitted thereon so as to create a paint pattern when the edges of the resilient elements are thrown by a centrifugal force, during the rotation of the roller body, on the surface to be painted.
The prior art also includes British patent 553522 which provides for a decorating roller, the outer surface of which has an array of parallel helical grooves, in each of which the inner edge of a longitudinal strip is inserted, the strip having transverse cuts in its outer edge to define equally-spaced, substantially radial appendages which are intended to interfere with the surface to be decorated in order to break the continuity of the coat of paint spread thereon; the effects which can be produced are mainly of the type which simulates striped wallpaper.
Finally, the prior art includes U.S. Pat. No. 3,536,037 which provides for flat, resilient, flexible flaps projecting radially from the outer lateral surface of a decorating roller of cylindrical or bi-frustoconical shape with opposed larger bases; this is mainly to achieve a droplet effect.
The decorating tools of the patents mentioned above do not, however, enable variegated or contrasting effects affecting regions of non-uniform sizes which are not distributed in a precisely repetitive manner to be produced satisfactorily on a freshly-painted surface or, at any rate, a surface in the course of being painted, so as to simulate impressions executed by hand by means of a pad.
In fact, as regards the decorating tool of the European patent 302662, it should be stated that this has an undesirable tendency to slip on the surface to be painted, particularly when coats of paint of considerable thickness have been applied; this involves undesirable and unpredictable changes in the aesthetic effect.
Moreover, the tool of the British patent 604630 is unsuitable for mass production since it is necessary to prepare the strips in which pluralities of aligned holes have to be formed, and then to bend the portions before they are driven onto the respective core; this involves considerable assembly difficulties.
Furthermore, with the rollers of the British patent 553522 and the U.S. Pat. No. 3536037, which have substantially symmetrical flaps or appendages, a user who wishes to form a decor
REFERENCES:
patent: 1003647 (1911-09-01), Piper
patent: 3536037 (1970-10-01), Mortellito
patent: 4244074 (1981-01-01), Barcikowski et al.
patent: 5127123 (1992-07-01), Belanger
Edwards Laura
SPETRA S.R.L
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