EP0382127A2 - Spannrahmenanordnung für Künstler - Google Patents

Spannrahmenanordnung für Künstler Download PDF

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Publication number
EP0382127A2
EP0382127A2 EP90102157A EP90102157A EP0382127A2 EP 0382127 A2 EP0382127 A2 EP 0382127A2 EP 90102157 A EP90102157 A EP 90102157A EP 90102157 A EP90102157 A EP 90102157A EP 0382127 A2 EP0382127 A2 EP 0382127A2
Authority
EP
European Patent Office
Prior art keywords
canvas
stretcher
artists
sectional
ing
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.)
Granted
Application number
EP90102157A
Other languages
English (en)
French (fr)
Other versions
EP0382127A3 (de
EP0382127B1 (de
Inventor
Renato Lucchetti
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.)
ColArt International SA
Original Assignee
ColArt International SA
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 ColArt International SA filed Critical ColArt International SA
Publication of EP0382127A2 publication Critical patent/EP0382127A2/de
Publication of EP0382127A3 publication Critical patent/EP0382127A3/de
Application granted granted Critical
Publication of EP0382127B1 publication Critical patent/EP0382127B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/18—Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases
    • B44D3/185—Stretching frames for canvases

Definitions

  • the present invention relates to an artists' sectional stretcher with canvas.
  • stretchers with canvas have hitherto comprised a stretcher part on which the canvas is fixed by means of metal clips or tacks. Fixing of this type takes place at the outer perimeter edge of the stretcher.
  • stretchers may fundamentally be sub­divided into two types, more specifically rigid stretchers and stretchers having mobile, or expandable, sides.
  • connecting points and seating points for expander elements in the form of substantially V-shaped springs or wedges, whose purpose is to create an expanding, or spacing, effect between each two adjacent sides of the stretcher, so as to keep the canvas properly tensioned, both during the act of fixing the canvas and subsequently, following the known dilations or shrinkages of the canvases, as are well known in the art.
  • the stretchers have also to be provided with right-­angled tubular corner-pieces in their corner zones.
  • the gap or distance between the tacks must on the one hand be sufficiently small to reduce such phenomena and permit uniform tensioning of the canvas, but on the other hand the tacks act like wedges in the stretcher and an exces­sively short distance between them may result in breakage of the stretcher.
  • the tacks act like wedges in the stretcher and an exces­sively short distance between them may result in breakage of the stretcher.
  • a further disadvantage of the known expansion stretchers resides in the fact that they can possess only a quadrangular shape, while there is a demand on the market for different forms also, for example oval forms. In these cases, the application of means of tensioning the canvas is impossible, and the user has to fix the canvas in the traditional manner, with tacks or clips.
  • a further disadvantage of the known expansion stretchers resides in the fact that, particularly with large dimensions, they require cruciform inserts in order to stiffen them, the practical efficacy of which is somewhat limited since, as is well known, good stiffening of the canvases is achievable only with corner diagonals.
  • the object underlying the present invention is to create an artists' sectional stretcher with canvas which is capable of overcoming the inconveniences and dis­advantages of the current stretchers forming a part of the prior art, which stretcher, advantageously being of the rigid type, is to permit the application of the canvas with resilient pre-stressing thereof in a simple and rapid manner, without the use of the known tacks or clips, or in a removable manner, the fixing of the canvas with resilient pre-stressing being achieved by means of springs which are easy to produce and simple to apply, or to remove.
  • the abovementioned object includes the production of a stretcher of the rigid type, which can be assembled in a simple and rapid manner, employing sides which can be produced from any chosen material, preferably plastic, for example on the basis of extruded profiles and sub­sequent cutting to size.
  • the said stretcher can also be used repeatedly by the artist, or student, as a support for the canvases, with the asso­ciated practical advantages.
  • the traction on the canvas is of the continuous type, and furthermore the canvas is under uniform traction over the entire length of the sides of the stretcher.
  • the known "crescent" deformations between adjacent tacks are avoided, and furthermore the perimeter edge of the stretcher is devoid of tacks and clips. Since the stretchers are of the rigid type, they possess a constant dimension in terms of bulk, so that such stretchers can be accommodated without difficulty in the appropriate seatings of standardized frames.
  • Applica­tion and fixing of the canvas take an extremely short time, of the order of a few minutes, and the number of springs applied can be freely selected by the user.
  • Such springs for fixing and resilient pre-stressing can advantageously be produced in a simple and automatic manner.
  • the proposed stretcher of rigid type, can advantageously be produced without the use of wooden strips.
  • the said stretcher can, in fact, advantageously consist of plastic strips cut from initial extruded profiles which advantageously possess internal ribbings and chambers.
  • right-­angled corner-pieces are advantageously provided to be introduced into such chambers. The latter, after the assembly of the stretcher, are concealed and the stretcher can be dismantled at anytime.
  • the user can thus cut the strips forming the stretcher to the desired size, either starting from the extruded profile or cutting the sides of a larger stretcher, for example acquired in the loose form, together with the canvas and the springs for pre-stressing and fixing the canvas.
  • the user may acquire separately these springs, the canvas and the stretcher sides, or the appropriate extruded sec­tions, and the connecting corner-pieces, and may con­veniently create his own stretchers to suit requirements.
  • the grooves necessary for the engagement of the springs for fixing the canvas are already produced thereon during the act of extrusion.
  • the known perimeter projections of the strips for supporting the canvas with a limited contact with the stretcher are of course likewise made on such plastic profiles. It is further possible to provide resilient spring means engaging directly on two opposite sides of the canvas. This further simplifies the fixing and the resilient pre-stressing thereof.
  • the leaf springs for fixing of the type bent substantially at right angles, furthermore advantageously permit the fixing and pre-stressing of the canvas on stretchers of a desired shape, for example oval stretchers.
  • the known right-angled connecting corner pieces for the stretchers become superfluous, and the stretchers can possess dimensions virtually as small as desired.
  • a further advantage of the stretcher made from plastic profiles resides in the fact of making, on the said strips of the stretcher, a fixing profile for diagonal stiffening supports for stretchers of large dimensions.
  • a further advantage of the resilient pre-stress­ing springs according to the invention resides in the fact that the artist can select the degree of tensioning of the canvas in a simple manner as a function of the number of springs used and of the elastic pre-stress imparted to each spring.
  • Another important advantage resides in the fact that canvases which have previously been fixed to other stretchers in a traditional manner can be satisfactorily fixed on the proposed frames, which is particularly important in the sector of the fine arts, the antique trade and, in particular, restoration. For restorers, in fact, it is extremely important to be able to cut the new stretcher to size in situ and to apply the canvas reliably and rapidly.
  • sectional stretchers with resiliently pre-stressable canvases may be found in the description which follows, with reference to the attached drawings, in which are illustrated a preferred embodiment and a number of variations of the sectional stretcher and of the proposed resilient spring fixing and tensioning means for the canvas.
  • the artists' sec­tional structure with canvas according to the invention is illustrated as a whole at 1. It is substantially formed from three components, more specifically a support structure 2, advantageously of the rigid type, a canvas 3 and a plurality of resilient elements 4 serving simul­taneously to fix and to tension the canvas 3.
  • the stretcher in the example illustrated, comprises four stretcher sides 5, which are obtained by simple end cutting at 45° from an extruded plastic profile, for example of the type illustrated in Figs. 2 and 5.
  • Such profiles 5 are preferably symmetrical and possess, for reasons of light weight and greater strength, internal chambers 6 and ribbings 7.
  • Projections 8 serving, in a known manner, to keep the canvas 3 at a distance from the remaining anterior and posterior frontal surface 5a, 5b of the said strips 5 are produced on the external frontal sides of the said profiles.
  • These strips on their internal depthwise side 5c in the assembled state, possess one or more grooves 9 for the engagement of the leaf springs 4, as explained below.
  • Fig. 5 there is also made on the said internal depthwise side a projec­tion, for example of dovetail type, 10 for anchoring a diagonal reinforcing support 11, to which further refer­ence will be made subsequently.
  • angular supports 12 are used (Fig. 3). These possess, for example, a hollow cross-section having at least one deformable side, for example a convex side, in order to guarantee a pressure fit when they are inserted into the chambers 6.
  • the fixing and the resilient pre-stressing, or tensioning, of the canvas 3 on the stretcher 2 take place simultaneously by means of the employment of spring elements 4, preferably leaf springs of the type having wings folded back at an angle of less than 90°, as illustrated in Figs. 4 and 6 - 8.
  • spring elements 4 preferably leaf springs of the type having wings folded back at an angle of less than 90°, as illustrated in Figs. 4 and 6 - 8.
  • apertures 13 are made, the purpose of which is to render the said wings 4a and 4b more resilient and thus to prevent forced opening or spreading of the folded edge 14, which would compromise the resilient behaviour of the spring 4.
  • the latter possesses, in the wider end of the wing 4a, a plurality of pointed teeth 15 folded over approximately orthogonally relative to the said wing 4a, while in the shorter wing 4b the free end 16 is folded over inwards, more precisely in a manner such as to engage in the one or more grooves 9 mentioned above.
  • the teeth 15, for their part engage into the edge 3b of the canvas 3, folded over along the posterior frontal side 5b of the strips 5, and more specifically at a distance therefrom resulting from the presence of the abovementioned profil­ing 8.
  • the spring 4 when applied, does not project beyond the said ribbing 8 and does not increase the bulk of the assembled stretcher 1, so the latter can conveniently be accommodated in the respective frame.
  • the springs for fixing and resiliently pre-stressing the canvas 3 may also possess a strip conformation, as shown in Fig. 11.
  • the spring is designated as a whole by 17, and possesses two end portions 18 provided, on their outer side, with a plurality of teeth 15 as referred to above, the said toothed end portions 18 being mutually associated by an interposed spring 19, for example a wire-like spring of zig-zag conformation.
  • an interposed spring 19 for example a wire-like spring of zig-zag conformation.
  • the spring 19 may also take the form of a strip of rubber or the like.
  • the number of springs 4, or 17, may be selected arbitrarily by the user as a function of the dimensions of the picture and of the desired degree of tensioning, or as a function of the desired requirements in each case. Given the selected conformation of the springs 4 and 17, their application, and removal if required, can be performed by the user easily, quickly and safely, without exertion and without special tools. With this new concept of tensioning the canvas 3, the latter comes to bear uniformly along the outer edges 5d and 5e of the stretcher 2, over which edges it is stressed to slip, and in this way the known "crescent" deformations, inevitable with the use of metal clips and tacks, are reliably avoided.
  • such diagonals 11 may possess a rigid strip-­shaped median portion 20 with end shoes 21, which shoes, at their opposed chamfered ends 22, engage on the outer sides of the profiled ribbing 10 (Figs. 9, 10). Said shoes are mutually clampable by means of at least one screw 23 and are fixed, for example hinged, as desired, and in a manner not illustrated in greater detail, to the rigid strip 20.
  • the reinforcing diagonals 11 may possess any desired length, or be cut to the desired width, and may be disposed, for example, as illustrated in Fig. 9.
  • the abovementioned clamping shoes 21 are freely mobile to slide along the profiling 10, as a result of which the length of the diagonals 11 need not be particularly precise.
  • a good dynamic coupling between the assembly corner-pieces 12 and the chambers 6 of the stretcher strip 5 may also be achieved, for example, by providing pointed ribbings 24 (Fig. 5) or using corner-pieces 12 of a slightly yielding material, for example rubber or the like, for example for use in schools.
  • the said stretcher may readily be produced with strips of a different kind, or of different material, for example metal, wood or the like, and similarly the assembly of the strips of the stretcher may be undertaken in the most varied ways, from simple tacking to moulding in a single piece, again without departing from the scope of protection of the invention.
  • the stiffening diagonals also, may possess any desired shape, and for example may take the form of simple profiles, for example metal profiles, perforated at their ends, hinge pins being inserted in said perforations and passing respectively into one of a plurality of perforations made in a ribbing analogous to the ribbing 10 illustrated above. In view of the simplicity of this operation, it is not illustrated.

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
EP90102157A 1989-02-10 1990-02-03 Spannrahmenanordnung für Künstler Expired - Lifetime EP0382127B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT941689 1989-02-10
IT941689 1989-02-10

Publications (3)

Publication Number Publication Date
EP0382127A2 true EP0382127A2 (de) 1990-08-16
EP0382127A3 EP0382127A3 (de) 1991-06-12
EP0382127B1 EP0382127B1 (de) 1994-12-07

Family

ID=11129826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90102157A Expired - Lifetime EP0382127B1 (de) 1989-02-10 1990-02-03 Spannrahmenanordnung für Künstler

Country Status (4)

Country Link
EP (1) EP0382127B1 (de)
AT (1) ATE115060T1 (de)
DE (1) DE69014662D1 (de)
ES (1) ES2067573T3 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667541A1 (fr) * 1990-10-03 1992-04-10 Roche Alain Dispositif d'auto-regulation des tensions pour chassis beaux-arts.
WO1996015915A1 (en) * 1994-11-17 1996-05-30 Walter Lucchetti Expandable artists' frames and preloading springs therefor
FR2731949A1 (fr) * 1995-03-22 1996-09-27 Tudela Beneyto Juan Chassis expansible pour supporter des toiles de peintre
EP0655521A3 (de) * 1993-10-05 1996-10-02 Ebaris Co Ltd Fixierenrahmen für Textilgut.
WO1996031110A3 (en) * 1995-06-20 1996-12-05 Ebaris Co Ltd Coupling structure and cloth stretching frame using said coupling structure
EP1024232A1 (de) * 1999-01-29 2000-08-02 Jean-Marc Scherrer Deckenplatte
WO2000068526A1 (fr) * 1999-05-11 2000-11-16 Scherrer Jean Marc Dalle de plafond
FR2793506A1 (fr) * 1999-05-11 2000-11-17 Jean Marc Scherrer Dalle de plafond a relief externe
WO2004006731A3 (de) * 2002-07-10 2004-04-22 Axel Zacharias Bilderrahmen
NL1034769C2 (nl) * 2007-10-16 2009-04-20 Johannes Hendrikus Ninaber Spanraam voor in het bijzonder schildersdoek.
RU206952U1 (ru) * 2021-03-09 2021-10-04 Общество с ограниченной ответственностью "Евробокс" Холст для рисования на подрамнике с опорой

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635700A (en) * 1984-01-16 1987-01-13 Berger Gustav A Self-adjusting canvas tensioning frame
US4702025A (en) * 1985-11-25 1987-10-27 M & M Displays Display frame
DE3770479D1 (de) * 1986-01-14 1991-07-11 James R Vilman Zusammengestellter spannrahmen.

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667541A1 (fr) * 1990-10-03 1992-04-10 Roche Alain Dispositif d'auto-regulation des tensions pour chassis beaux-arts.
EP0655521A3 (de) * 1993-10-05 1996-10-02 Ebaris Co Ltd Fixierenrahmen für Textilgut.
WO1996015915A1 (en) * 1994-11-17 1996-05-30 Walter Lucchetti Expandable artists' frames and preloading springs therefor
FR2731949A1 (fr) * 1995-03-22 1996-09-27 Tudela Beneyto Juan Chassis expansible pour supporter des toiles de peintre
WO1996031110A3 (en) * 1995-06-20 1996-12-05 Ebaris Co Ltd Coupling structure and cloth stretching frame using said coupling structure
EP0749851A3 (de) * 1995-06-20 1997-01-15 Ebaris Co., Ltd. Verbindingsanordnung und ein eine solche Anordnung enthaltender Spannrahmen für Textilgut
AU708598B2 (en) * 1995-06-20 1999-08-05 Ebaris Co., Ltd. Coupling structure and cloth stretching frame using thereof
KR100500354B1 (ko) * 1995-06-20 2005-11-16 에바리스 카부시키가이샤 연결구조물및그것을이용한직물당김프레임
FR2789101A1 (fr) * 1999-01-29 2000-08-04 Jean Marc Scherrer Dalle de plafond
EP1024232A1 (de) * 1999-01-29 2000-08-02 Jean-Marc Scherrer Deckenplatte
WO2000068526A1 (fr) * 1999-05-11 2000-11-16 Scherrer Jean Marc Dalle de plafond
FR2793506A1 (fr) * 1999-05-11 2000-11-17 Jean Marc Scherrer Dalle de plafond a relief externe
FR2793504A1 (fr) * 1999-05-11 2000-11-17 Jean Marc Scherrer Dalle de plafond
WO2004006731A3 (de) * 2002-07-10 2004-04-22 Axel Zacharias Bilderrahmen
AU2003281145B2 (en) * 2002-07-10 2007-10-04 Axel Zacharias Picture frame
NL1034769C2 (nl) * 2007-10-16 2009-04-20 Johannes Hendrikus Ninaber Spanraam voor in het bijzonder schildersdoek.
WO2009051475A3 (en) * 2007-10-16 2009-07-16 Lizarra Freezone Nv Stretcher for painting canvas
RU206952U1 (ru) * 2021-03-09 2021-10-04 Общество с ограниченной ответственностью "Евробокс" Холст для рисования на подрамнике с опорой

Also Published As

Publication number Publication date
DE69014662D1 (de) 1995-01-19
EP0382127A3 (de) 1991-06-12
ES2067573T3 (es) 1995-04-01
EP0382127B1 (de) 1994-12-07
ATE115060T1 (de) 1994-12-15

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