WO2017183023A1

WO2017183023A1 - A tool and a method for application of sheets of rolled materials on walls

Info

Publication number: WO2017183023A1
Application number: PCT/IL2017/050420
Authority: WO
Inventors: Ehud GAMLIEL
Original assignee: Gamliel Ehud
Priority date: 2016-04-17
Filing date: 2017-04-06
Publication date: 2017-10-26
Also published as: IL245162A; IL245162A0

Abstract

A device for applying sheets of rolled materials (e.g. wallpapers and or construction/plaster nets) on walls is disclosed. The device includes an application assembly connectable from a proximal end thereof to an extendable leg assembly such that the application assembly extends with an oblique angle relative to the leg assembly. The application assembly includes two branches having two respective anchor regions located at a distal end of the application assembly such that the device can be anchored near to a wall to which a sheet of the rolled material is to be applied. The anchoring of the application assembly near the wall is performed by placing/anchoring the anchor regions near a corner of the wall (e.g. a corner between the wall and the ceiling) and placing the leg assembly on an opposing surface (e.g. the floor). The application assembly includes a guiding module extending in between the two branches while being distanced from the termination points of the two branches such that when the device is anchored near the wall, via the anchor regions, the guiding module is slightly distanced from the wall to enable passing the rolled material, that is to be applied to the wall, in between the guiding module and the wall. The device thereby provides an easy fast and cost effective technique for application of sheets of rolled materials on walls.

Description

A TOOL AND A METHOD FOR APPLICATION OF SHEETS OF ROLLED

MATERIALS ON WALLS

The present invention is in the field of construction and more specifically relates to wall coating by plaster and/or putty and/or wallpaper.

BACKGROUND

Various types of rolled materials are increasingly used as, and/or embedded in, wall coating construction materials. For examples various types of nets (e.g. construction enforcement net are increasingly used/embedded in coating materials, such as plaster and putty. Some types of nets, e.g. enforcement nets, are designed for enforcing the coating materials against crack and disintegration and provide for distributing the tensions within the coating materials. Alternatively or additionally, some types of nets are designed with thermal insulation properties improving the thermal isolation of structure (building and/or rooms) constructed therewith. Also various types of rolled materials such as wallpapers are conventionally used for decorative coating of walls, and/or for improving the thermal and/or acoustical properties of the walls.

GENERAL DESCRIPTION

The present invention provides a novel device/tool for application of sheets of rolled materials on walls (e.g. wallpapers and/or nets placed prior to implementation of the coating materials such as putty and/or plaster on the walls).

Presently, the conventional process of applying such sheets of rolled materials (e.g. nets/wallpapers) to wall for embedding within the wall coating materials is a tedious and time consuming process. For example a conventional technique for applying the sheets of rolled materials to the wall typically requires at least two personnel, and sufficient vacant floor surface at the construction site for laying and cutting stripes of sheets of rolled materials with the required sizes to cover the walls. The personnel then measure the height of the walls to be covered and their widths, clear the required floor surface for laying net stripes of the needed height, unroll the rolled material on the vacant floor, and cut stripes (i.e. sheets) of the rolled material with lengths comparable to the height of the wall and with adjoin widths of said stripes comparable to the widths of the walls possibly plus some overlap between adjacent sheets. Then, one of the personnel steps up a ladder and locates a strip/sheet near the corner between the wall and the ceiling, while the other personnel adjoins the strip/sheet to the wall for instance by putting pasting material (e.g. which may be the same coating material, plaster/putty, at one or more locations of the sheet/stripe. This process repeats again and again for placing additional stripes on the wall, one along side the other, possibly with some overlap between them.

The conventional process described above is time consuming and requires two personnel from performing the job efficiently and accurately. As a result, wall finishing/coating including application of sheets of rolled material on the walls for embedding in the coating material is costly and often avoided although the significant benefits of this coating technique.

The device of the present invention is designed to overcome at least some of the above described disadvantages of the conventional techniques for application of nets on walls.

To this end, the device (tool) of the present invention is configured for operation by even single personnel. The device is configured to be anchored easily to the vicinity of a wall section to which a stripe is to be applied, and is adapted to enable in-situ unrolling and starching/hanging of the stripe/sheet adjacent, and in parallel to the wall section for binding/attaching the sheet to the wall section, and in-situ cutting of the sheet/stripe. To this end by using of the device for in-situ application of sheets of rolled material, a need for clearing large area of the floor for placing and cutting relatively large net strips may be obviated. Also the device is designed to be anchored and disengaged from its anchored position easily, thereby facilitating efficient for moving from a first anchor position near one wall section, to a next anchor position, typically to an adjacent section of the wall to which another stripe of net should be attached.

Thus, according to a broad aspect of the present invention there is provided a device/tool (e.g. net application tool) for applying sheets of rolled material, such as enforcement nets and/or wallpapers, on walls. The device includes application assembly connectable from a proximal end thereof, to an upper end of an extendable leg assembly such that the application assembly extends with an oblique angle relative to the extendable leg assembly when the latter is connected thereto. To this end, typically the application assembly extends with an oblique angle (e.g. oblique angle is within the range 105° to 150°) relative to the leg assembly. The application assembly includes two branches having two respective anchor regions located at a distal end of the application assembly. More specifically the anchor regions are arranged such that the device can be anchored near a wall, to which a net is to be applied, by anchoring the anchor regions near a corner of the wall (e.g. the cornet of the wall and the ceiling) and placing the leg assembly at/on an opposing surface (e.g. the floor). The application assembly includes a guiding module extending in between the two branches while being distanced from the termination points of the two branches, such that when the device is anchored near the wall by the anchor regions, the guiding module is slightly distanced from the wall to enable passing (e.g. sliding) a stripe/sheet of the rolled material, which is to be applied to the wall, in between the guiding module and the wall, to thereby facilitate easy accurate and fast application of the sheet of the rolled material to the wall.

According to yet another broad aspect of the present invention there is provided a method for applying strips of rolled material on walls, the method includes:

(i) anchoring an application assembly, which is adapted for hanging a strip of rolled material, near a wall by extending and placing an extendable leg assembly having at least one extendable leg carrying the application assembly, such that said extending and placing provides that: (a) at least two branches of the application assembly having anchor regions located at a distal ends of the application assembly and extending with an oblique angle relative to the leg assembly, are coupled, via the anchor regions, near to a corner of the wall and a ceiling; and (b) a base of the leg assembly is placed on an opposing floor surface; thereby anchoring the application assembly near the corner;

(ii) passing a strip of the rolled material over a guiding module that extends in between the two branches; whereby the guiding module extends from the proximity of the distal ends of the two branches and being thereby slightly distanced from the wall to enable passing and hanging the strip of the rolled material over the guiding module from the corner and in close vicinity to the wall; thereby enabling to apply the strip of rolled material to the wall by pasting the strip.

In some embodiments at least one of the application assembly and the extendable leg assembly are configured to have flexibility in between a base of the leg and the anchor regions. In such embodiments the anchoring includes at least one of extending and placing the extendable leg assembly with tension between the floor and the ceiling near the corner of the wall.

According to some embodiments of the present invention the device (application tool) is configured and operable for being anchored near a wall to which a sheet of the rolled material is to be applied, by carrying out the following:

i. extending the leg such that a distance between a base of said leg and said anchor regions is longer than height of the wall between a floor and ceiling thereof;

ii. placing the device such that the leg is at a leaning angle towards the wall with the anchor regions coupled to the ceiling in proximity to the corner of between the ceiling and the wall;

iii. anchoring the device by placing the base of the leg on the floor with tension formed between the anchor regions (which are coupled in the vicinity of the corner) and the base (which is placed on the floor).

According to some embodiments of the present invention the device/tool is configured with flexibility in between the base of the leg and the anchor regions. This allows anchoring the device with tension formed between the floor and the ceiling of the wall to which the sheet of rolled material is to be applied (e.g. near about which the device is to be placed/anchored). To this end in some embodiments the application assembly is configured to be flexible in at least one direction. For instance the application assembly may include the branches in a flexible rod like form.

According to some embodiments of the present invention the guiding module is distanced from the termination points of the two branches by several millimeters to few centimeters to allow passing of a sheet/strip of rolled material to be applied above the guiding module, in between it and a corner of a wall for hanging the sheet/strip in parallel to the wall. According to some embodiments of the present invention the leg of said device includes a fastening module adapted to extend and fasten a length of said leg to allow anchoring the device with tension between a floor and ceiling of a wall near about which the device is to be placed.

According to some embodiments the device includes a roll carrier that is adapted for carrying the rolled material. The roll carrier may be configured and operable to enable rolling the rolled material about an axis substantially parallel to said guiding module which extends in between said two branches. Typically the roll carrier is coupled to, or configured to be mounted on, at least one of the extendable leg assembly and the application assembly.

In some implementations the roll carrier and the guiding module are arranged at opposite sides relative to the extendable leg assembly. This facilitates easier use of the device (with improved balance) and improved stability of the device when it is anchored near a wall. In some cases the roll carrier is located above the guiding module.

In some embodiments the device includes a cutting guide defining a path for cutting the net in parallel to a corner between the wall and the ceiling (e.g. parallel to the net guiding module). For example the cutting guide may be defined (e.g. in the form of a slot) in/at the guiding module. In some implementations a net cutter coupled to the cutting guide.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to better understand the subject matter that is disclosed herein and to exemplify how it may be carried out in practice, embodiments will now be described, by way of non-limiting example only, with reference to the accompanying drawings, in which:

Fig. 1 is a schematic illustrations showing a perspective view of a device for applying sheets of rolled materials to walls according to an embodiment of the present invention;

Figs. 2A and 2B are perspective views illustrating how a sheet/strip of rolled material is applied to walls by using the device/tool of the present invention according to two embodiments of the present invention; Figs. 3A to 3C are schematic illustration of an application assembly part of the device/tool of the present invention according to few embodiments of the present invention;

Figs. 4A to 4F are schematic illustrations exemplifying extendable leg assembly parts of the device/tool of the present invention according to few embodiments of the present invention.

DETAILED DESCRIPTION OF EMBODIMENTS

Reference is made together to Fig. 1 and Figs. 2A and 2B which are schematic illustrations showing a perspective view of a device (tool) 100 according to an embodiment of the present invention. Similar reference numerals are used in all of the figures of the present application to indicate similar components of the device 100 or components having similar functionalities.

The device 100 is configured and operable for applying sheets of rolled material N on walls Wl and W2. The device 100 includes an application assembly 120 connectable to an extendable leg assembly 110.

The extendable leg assembly 110 may be an inherent part of the tool configured with predetermined strength and flexibility to enable easy anchoring of the tool to the wall, and/or it may be a conventional/standard extendable leg (whereby required flexibility may be provided by the application assembly itself, as described below.

The application assembly 120 is configured for applying sheets/stripes of rolled material such as net/wallpaper N on the wall Wl, and possibly also a roll carrier 130 configured for carrying rolled material RN.

In Fig. 1 the device 100 is shown in an operative state in which it leans towards a wall Wl and anchored in the vicinity of a section S of the wall Wl to which sheet of rolled material should be attached/applied. In this position, the device 100 is anchored between the floor FL and the ceiling CL wall Wl. Figs. 2A and 2B show the device with a rolled material RN (e.g. rolled net material) placed in the roll carrier 130, and illustrates how a strip of sheet of rolled material N unrolled from the rolled material RN is applied to the section S of the wall Wl by the device 100. As will be discussed further below Figs. 2A and 2B show different types of roll carriers 130 of which can be included in the device 100 according to various embodiments of the present invention. Also as shown in Figs. 2A and 2B the device 100 may be configured with the roll carrier 130 connected at different locations (this is independently of the type of the roll carrier 130).

The extendable leg assembly 110 includes at least one extendable leg which can be extracted/retracted to a length comparable to the height of the wall. For example, a single telescopic leg including an outer sleeve (tubs/rail) 112 and inner tube/rail 114 slideably mounted in the outer sleeve 112. Figs. 4A to 4F, which are discussed in more details below, depict various configurations of the extendable leg assembly 110 which can be implemented in various embodiments of the present invention.

The application assembly 120 of the device 100 is connectable/connected to an upper end of the leg assembly 110. The application assembly 120 is configured and operable for guiding sheet of rolled material N to be applied to a wall Wl, from the vicinity of the corner CR between the wall Wl and the ceiling CL, where the sheet of rolled material N is guided in parallel to the corner CR and is spaced from the corner CR (from both the wall and ceiling) by a certain, typically small, spacing SP, to allow from the one hand, to freely slide the sheet of rolled material N for spreading on the wall Wl, and from the other hand brings the sheet of rolled material N in close proximity to the wall Wl.

According to some embodiments the upper part 114 of the extendable leg assembly 110 is connectable/connected (e.g. in a T connection TC) to a connection section 122 of the application assembly 120. The application assembly 120 extends with an oblique angle Θ (larger than 90° and smaller than 180°) relative to the leg assembly. This allow the device 100 to be leaned towards the wall for anchoring to the wall (e.g. in between a floor and a ceiling thereof). To this end the application assembly 120 is configured with the connection TC adapted for connecting (or being connected to) the extendable leg assembly 110 with the oblique angle Θ.

In this example, the application assembly 120 includes a bifurcated structure (e.g. fork like), structure 124 comprising two branches 124.1 and 124.2. However it should be understood that generally the application assembly may also include a planar (non- branched) structure.

Figs. 3A to 3C show three additional examples of the configurations of the application assembly 120 according to various embodiments of the present invention. In some embodiments in which the sheet/strip of rolled material is passed through the application assembly 120 from below. In such embodiments the two branches 124.1 and 124.2 are arranged to define spacing SN between them for passing the sheet/strip of rolled material N whereby the spacing SN width is at least the widths of the sheet/strip of rolled material N. The two branches 124.1 and 124.2 may be implemented for example by rods/bars (e.g. metal structures) as illustrated in Figs. 1, 2A, 2B, 3A and 3B or they may be implemented as spaced apart regions of a surface/planar-structure of the application assembly 120, as shown in Fig. 3C.

In some implementations the two branches 124.1 and 124.2 are configured to be variably displaced from one another (e.g. laterally) so as to enable adjustment of the spacing SN between them to fit the widths of different types of rolled materials RN. This may be achieved by any known in the art mechanical mechanism for connecting the two branches of the application assembly 120 with adjustable distance between them (e.g. utilizing a lateral sliding mechanism and/or a telescopic mechanism) to laterally connect the two branches 124.1 and 124.2 on to the other and/or to the body of the application assembly 120.

The application assembly 120 also includes two anchor regions 126 (specifically 126.1 and 126.2) that are located at distal ends of said two brunches 124 respectively. The anchor regions 126.1 and 126.2 may be for example flat surfaces (e.g. pattered/rough surfaces/pads) arranged at the distal ends of said two brunches 124 with suitable orientations such that they can be attached parallel to the ceiling when the device 100 is anchored. The anchor regions 126.1 and 126.2 may be for example made from metal and/or include plastic/rubber pad/shoe for better clinging to the ceiling.

Additionally, the application assembly 120 includes at a distal end thereof a guiding module 125 (e.g. extending in between the two branches 124.1 and 124.2, from near the distal ends thereof), such that it is somewhat distanced/spaced by spacing SP (e.g. spacing of several millimeters to few centimeters) from the termination points of the two branches 124 (e.g. from the termination of the anchor regions 126). To this end, the distal ends of said two brunches 124 and/or the two anchor regions 126 that are located thereat, may be configured as spacers adapted for spacing the guiding module 125 from the wall Wl by the spacing SP when the device is anchored with the anchor regions 126 placed near/at the corner of the wall Wl and ceiling CL (e.g. such that the guiding module 125 is does not touch the wall or the ceiling at this anchored position of the device). Accordingly in this configuration, a sheet/strip of rolled material N to be applied to the wall Wl can freely slide between the guiding module 125 and the wall Wl, while being guided by (and hanged from) the guiding module 125. This allows a user of the device 100 to operate quickly and efficiently for stretching/applying strip of rolled material on a wall section S by carrying out the following operations: (i) anchoring the device 100 to place with the anchor regions 126 coupled to the ceiling CL near the corner CR of the wall Wl from the sides of the wall section S to which the sheet of rolled material N is to be applied; and (ii) guiding a strip of rolled material N between the guiding module 125 and the wall Wl until the section S is covered by the strip N. Then, possibly, operation (iii) may be carried out after attaching the strip N to the wall Wl (e.g. using binding material), and cutting it from the rolled material RN, for anchoring the device 100 at another section of the wall Wl (e.g. by releasing the device from its previous anchoring position and anchoring it at the new position).

In various embodiments as illustrated for example in Figs. 1, 2A, 2B, 3A the guiding module 125 may be implemented by a bar/rod/cable extending in between the two branches 124. Alternatively or additionally the guiding module 125 may also be implemented by an edge of a surface of the application assembly as shown for example in the embodiment of Fig. 3C or by a rail with a slide for guiding a knight for cutting the sheet/strip N of the rolled material as shown for example in the embodiment of Fig. 3B respectively.

As indicated above, the device 100 is configured and operable to be easily engaged (anchored) to the vicinity of the wall section S to which sheet/strip N of the rolled material is to be applied, and is also configured to be easily disengaged from that section and moved to a different (e.g. adjacent) wall section. A technique for engaging the device to the wall Wl according to an embodiment of the present invention is schematically illustrated in Fig. 1 by the arrows Al, A2 and A3. Arrows Al, A2 and A3 exemplify the actions a user of the device 100 may carry out according to an embodiment of the device of the present invention in order to properly engage/anchor the device 100 near a desired section of the wall. Disengaging the device 100 may be achieved by carrying out actions A2 and A3 in inverse order (namely carrying A3 and then A2). Action Al, is optional, and might be required in cases when the leg assembly 110 is not extended to the correct length (which corresponds to the height of the wall). In other words, this operation may be performed once before anchoring the device to working on walls of a given height, and may not be needed in subsequent anchoring operations of the walls with the same/similar height. Action Al includes extending the length of the leg assembly 110 of the device 100 such that a distance d between the base of the leg 110 and the anchor regions 126 is longer than the height of the wall (i.e. the exact length of the leg 110 may be adjusted in situ such that in order for the anchor regions 126 to approach and touch the ceiling CL near the corner between it and the wall Wl, the device 100 is leaned against the wall (e.g. with its leg assembly 110 being at an angle towards the wall Wl (and not parallel to the wall)).

Action A2 includes placing the device 100 in that position indicated above, namely such that the leg assembly is at leaning angle φ (φ < 90) towards the wall Wl with the anchor regions 126 coupled to the ceiling CL in proximity to the corner CR. To this end, the device 100 is configured such that the application assembly 120 extends upwardly with the oblique angle θ (Θ > 90°) relative to the leg assembly 110, such that the device is leaned with angle φ towards the wall Wl, the anchor regions 126 reach the corner CR. The oblique angle Θ may be according to some embodiments within the range 105° to 150°

Action A3 includes anchoring the device in that position (with the anchor regions 126 coupled to the ceiling CL in proximity to the corner), by placing the base 116 of the leg assembly 110 on the floor FL with tension formed between the anchor regions 126 that are coupled to the ceiling CL and the base 116 that is placed on the floor FL.

In certain embodiments of the present invention the device is configured to allow performing action A3 by easily pushing the base towards the wall Wl (possibly while slightly lifting the base before pushing) as exemplified by the arrow A3 in Fig. 1A. This may be achieved by configuring the device's structure (one or more parts of the leg assembly 110 and/or one or more parts of the application assembly 120 or the joints between them), to be somewhat flexible such that the distance d between the base force applied to the device 100 in between the base and anchor regions and return to normal distance when the force is released. This allows anchoring the device 100 by slightly lifting and pushing the base 116 towards the wall Wl as exemplified by the arrow A3.

5 For instance in some embodiments, as illustrated for example in Figs. 2A, 2B and 3B and 3C, the brunches 124 are configured to be flexible for bending in at least one direction (e.g. bending in a direction towards the leg assembly 110), such that when the base 116 is pushed towards the wall, in action A3, the brunches 124 are bend and the device 100 is fastened with tension in between the ceiling CL and the floor FL. The

10 flexibility of the brunches 124 is depicted for example by the curved intersected line FX shown in Figs. 3B and 3C, which illustrate the flexibly of branch 124.2 (configured as in this example by a flexible rod) in Fig. 3B, and the flexibility of the surface PN in Fig. 3C (in which the "branches" 124 are at the side regions/edges of the device surface PN. Figs 2A and 2B showing two embodiments of the device 100 in anchored position near

15 the wall Wl where in these embodiments the brunches 124 are configured as flexible rods and as shown are bent when the device 100 is anchored in position.

It should be noted that in case where the device 100 is configured such that its structure is configured to be somewhat flexible, as described above, the extendable leg 110 of the device 100 might be configured to allow only rough adjustability of its

20 length, while obviating a need for extendable legs configured with fine adjustability tuning of their lengths in order to tighten the device to its anchoring position. This improves the usability of the device, as the user might may anchor the device 100 in one action (A3) while not be required carry out additional action to anchor the device 100 to place by adjusting (fine tuning) the leg's length to tighten the device to place.

25 Accordingly in this case simples types of extendable leg assemblies (having no fine tuning adjustability of the leg length) might be used, which may be associated with reduced weight and/or reduced cost. Such legs are illustrated for example in Figs. 4B and 4D below.

Alternatively or additionally, the device 100 (e.g. the extendable leg assembly 30 110 thereof) may include a fastening module 118 adapted to enable fine tuning of the leg lengths, so the lengths of the leg 110 can be extended and fastened/tightened a length to allow anchoring of the device with tension between the floor FL and the ceiling CL. In this case, flexibility of the device's structure might not be required in order to anchor the device 100 to place, but however anchoring the device might be associated with somewhat more cumbersome operation. Extendable leg assemblies 110 with such fastening modules 118 adapted to enable fine tuning of the legs' lengths are illustrated for example in Figs. 4C and 4D which are described in more detailed below.

As indicated above and shown in Figs. 1 and 2A-2B, in some embodiments of the present invention the device 100 includes a roll carrier 130 that is adapted for carrying the rolled material. The roll carrier 130 may be implemented in any known configuration suitable for carrying rolled materials/sheets and to allow their unrolling. For instance, the roll carrier 130 may be implemented as an axial type roll carrier by which the rolled net material RN can be held and rolled/unrolled by shafts, as illustrated in self expletory manner in Fig. 1 and Fig. 2A. Alternatively or additionally the roll carrier 130 may be implemented as a basket type roll carrier in which the rolled material RN is placed (cradled) such that it can revolve therein and thereby rolled/unrolled, as illustrated in self expletory manner in Fig. 2B.

To this end the roll carrier 130 is configured to be connected/connectable to the device 100 in an orientation such that the rolling axis RX is substantially parallel to the guiding module 125, which extends in between the two branches 124.

In some embodiments the roll carrier 130 is coupled to, or configured to be mounted on, the extendable leg assembly 110, as shown for example in Fig. 2B. Alternatively or additionally in some embodiments the roll carrier 130 is coupled to, or configured to be mounted on, the application assembly 120, as shown for example in Fig. 1 and Fig 2A.

According to some embodiments, as illustrated in Fig. 1 and 2A, the roll carrier 130 is coupled to, or configured to be mounted on, the device 100 from an opposite side of the leg assembly 110 relative to the side at which the application assembly 120 and the guiding module 125 are located. This provides for easier balancing and handling of the device 100 when moving it from one anchoring location to the other and also improves the stability of the device 100 when it is leaned on the wall Wl and anchored.

Reference is made now specifically to Figs. 3A to 3C, showing the configurations of the application assembly 120 according to three embodiments of the present invention. In all these embodiments the application assembly 120 is configured and operable for guiding sheet/strip of rolled material N to be applied to a wall Wl, such that the strip/sheet N is guided in parallel to the corner between the wall and the ceiling spaced from the corner CR by a certain, spacing SP, to allow it to freely slide from the corner in close proximity to the wall. The application assembly 120 includes a connection section 122 for connecting it to the extendable leg (110) and is configured to 5 extend with an oblique angle Θ (larger than 90° and smaller than 180°) relative to the connection section 122. The connection section may be implemented by connection bar of the application assembly 120 or alternatively or additionally, in some embodiments the connection section 122 may be an edge of a structure/surface of the application assembly 120 as shown for example in Fig. 3C.

10 The embodiment of Fig. 3B the sheet/strip of rolled material is passed from above the application assembly, similarly to the embodiments of Figs. 1 and 2A above. In the embodiments of Figs. 3A and 3B the sheet/strip of rolled material is passed through the application assembly from below. Accordingly, in these embodiments the application assembly 120 includes two branches 124 (124.1 and 124.2) with spacing SN

15 (possibly configured as variable spacing adjustable to match the width of the rolled material) for passing the sheet/strip N of the rolled material RN between them. In the embodiment of Fig. 3A the two branches 124.1 and 124.2 are implemented by none- flexible bars. In the embodiment of Fig. 3B the two branches 124.1 and 124.2 are implemented by flexible rods. In the embodiment of Fig. 3C the application assembly

20 120 includes a surface structure PN (which may preferably although not necessarily be flexible) including an opening OP for passing the sheet/strip N therethrough, and the two branches 124.1 and 124.2 spaced apart regions of a surface structure PN. The application assembly 120 includes two anchor regions 126.1 and 126.2 (e.g. surface pads from plastic/metal) that are located/arranged at the distal ends of said two brunches

25 124.1 and 124.2 with suitable orientations such that they can be attached parallel to the ceiling. The application assembly 120 also includes and a guiding module 125 extending in between the two branches 124.1 and 124.2, such that it is somewhat distanced/spaced by spacing SP from the termination points of the anchor regions 126 so that the guiding module 125 is spaced from the wall Wl when the device is anchored

30 thereto. As shown the application assembly 120 is designed such that a sheet/strip of the rolled material can be passed through the opening OP enclosed by the two brunches 124 the connection section 122 and the guiding module 125, and go over the guiding module 125 and pass again in between the two brunches 124 to be hanged down from the guiding module 125.

In the embodiment of Figs. 3B, the branches 124 (and in Fig. 3C also the surface structure) are flexible to enable easy anchoring of the device near the wall, as explained above. Also, alternatively or additionally in these embodiments the guiding module 125 is shown to be implemented by a rail having a knife guiding slit 142 (e.g. net/wall-paper cutter) to enable convenient guiding of a knife 144 for cutting the sheet/strip N of the net/wallpaper RN near the corner of the wall. Yet alternatively or additionally, in these embodiments the guiding module 125 is mounted from both ends on a slider assembly 146 connectable to the branches 124. The slider assembly allows moving the guiding module 125 from a retracted position in which it is distanced from the wall by the spacing SP (allowing the sheet N of the rolled material to slide freely), in to an extracted position in which the guiding module 125 is aligned with the distal termination ends of the anchor regions 126, such that in operation it press the sheet N to the wall thereby holding it a desired position. Further yet the embodiments of Fig. 3C also includes embodiments a paste/binder applicator module 148 which operates to apply past/binder to the side of the sheet N which is to be applied to the wall while the latter is unrolled. The paste/binder applicator module 148 is implemented in this example by a roller assembly including a container of paste/binder material mounted on the application assembly 120 for rolling in contact with the strip/sheet N and covered by a paste transferring material (such as fabric and/or any other soaking material) which transfers the binder/paste from the container to the sheet N. It is understood that other configurations of past binder applicators may also be applicable in the scope of the present invention.

It is further understood that the above described features 142, 144, 146 and 148 may be implemented in various combinations in different embodiments of the device 100.

Reference is made now specifically to Figs. 4A to 4F, depicting various extendable leg assembly 120 configurations which can be incorporated in various embodiments of the device 100 of the present invention. All the assembly embodiments are shown in these figures connected in T connections TC to the connection section 122 of the application assembly 120 (which is not shown in its entirety). Figs. 4A to 4D shows extendable leg assemblies 120, where each includes a single telescopic leg 115 including an outer sleeve (tubs/rail) 112 coupled to a base 116, and an inner tube/rail 114 slideably mounted in the outer sleeve 112. In these examples the legs are tubular including inner and outer tubes 114 and 112 respectively.

Fig. 4A illustrates a telescopic leg 115 which can be extended to several discrete heights. In this example the inner tube 114 has several pairs of holes HL extending through it; the outer sleeve 112 has also a pair of perforations GV extending therethrough. Accordingly a pin PN can be placed through the perforations GV and through a selected pair of the holes HL to set and adjust the lengths of the leg. Fig. 4B shows a telescopic leg 115 similar to that of Fig. 4A having in a length adjusting/fine- tuning module 118 enabling fine adjustment of the length of the leg to along to fatten and anchor the device near the wall as described above. In this embodiment the perforations GV are elongated (slots) and located at the top region of the outer sleeve 112. The top region, at which the slots GV exists is threaded (with male thread), and a collar CR with complementary thread (female) is screwed thereon. Accordingly after the pin PN is entered across the slots GV and the holes HL, the leg can be adjusted to the desired length (fine tuned) by tightening the collar CR against the pin PN or releasing it.

Fig. 4C shows a telescopic leg 115 which can be extended to any height within a range of heights. The telescopic leg includes a tightening module TN inserted between the outer sleeve and the inner tube (by screwing or pushing) such that they are tightened together at the desired extension of the leg. In another example, Figs. 4D shows a hydraulic telescopic leg 115. The hydraulic mechanism 118B serves to fine tune the length of the leg to the desired height and fasten the device to place near the wall.

Fig. 4E shows an extendable leg assembly 120, which includes two such telescopic legs, 115 and 115'. In this example the two legs are configured as slideable rails (including inner and outer rails 114 and 112) and are connected between them by parallel bars 117 such that a ladder type structure is provided allowing a user of the device 100 to climb up and down the ladder to reach the top of the wall. Figs. 4F shows and extendable leg assembly 120 which includes a base 116 and an expandable scissor support structure 113 serving as the leg.

Claims

CLAIMS:

1. A device for applying sheets of rolled material on walls, the device comprises: an application assembly connectable from a proximal end thereof, to an upper end of an extendable leg assembly comprising at least one extendable leg.

wherein said application assembly is configured such that a connection between said application assembly and the extendable leg assembly is such that the application assembly extends with an oblique angle relative to the leg assembly; and

wherein the application assembly and the leg assembly are configured for anchoring said device near a wall to which a sheet of rolled material is to be applied, said application assembly comprises two branches having two respective anchor regions located at a distal end of the application assembly and being configured for coupling to a ceiling of the wall such that when said anchor regions are coupled to the ceiling of said wall and said leg is being placed on an opposing surface of a floor of said wall, said device is being anchored; and

wherein the application assembly includes a guiding module extending in between the two branches while being distanced from the termination points of the two branches such that when the device is anchored near said wall by said anchor regions, the guiding module is slightly distanced from the wall to enable passing the sheet of the rolled material, which is to be applied to the wall, in between said guiding module and the wall, thereby enabling to applying the sheet to the wall.

2. The device of claim 1 configured and operable for anchoring near a wall to which the sheet is to be applied, by:

i. extending said leg such that a distance between a base of said leg and said anchor regions is longer than height of said wall between a floor and ceiling thereof;

ii. placing said device such that said leg is at a leaning angle towards said wall with said anchor regions coupled to said ceiling in proximity to the corner of between the ceiling and the wall; iii. anchoring said device by placing said base on the floor with tension formed between the anchor regions, which are coupled in the vicinity of the corner, and said base, which is placed on the floor.

3. The device of claim 1 or 2 configured with flexibility in between a base of said leg and said anchor regions to allow anchoring said device with tension between a floor and ceiling of a wall near about which the device is to be placed.

4. The device of claim 3 wherein the application assembly includes rod like branches that are flexible in at least one direction.

5. The device of any one of claims 1 to 4 wherein said leg comprises a fastening module adapted to extend and fasten a length of said leg to allow anchoring said device with tension between a floor and ceiling of a wall near about which the device is to be placed.

6. The device of any one of claims 1 to 5 wherein said guiding module is distanced from the termination points of the two branches by several millimeters to few centimeters to allow passing the sheet above the guiding module, in between it and a corner of a wall for hanging the sheet in parallel to the wall.

7. The device of any one of claims 1 to 6 wherein said oblique angle is within the range 105° to 150°.

8. The device of any one of claims 1 to 7 comprising a roll carrier adapted for carrying the rolled material.

9. The device of claim 8 wherein the roll carrier is configured and operable to enabling rolling the rolled material about an axis substantially parallel to said guiding module which extends in between said two branches

10. The device of claim 8 or 9 wherein the roll carrier is coupled to, or configured to be mounted on, at least one of said extendable leg assembly and said application assembly.

11. The device of any one of claims 8 to 10 wherein the roll carrier and the guiding module are at opposite sides relative to said extendable leg assembly.

12. The device of claim 11 wherein the roll carrier is located above said guiding module.

13. The device of any one of claims 1 to 7 comprising a cutting guide defining a path for cutting said sheet in parallel to a corner between a wall and a ceiling.

14. The device of claim 13 wherein said cutting guide is defined in said guiding module.

15. The device of claim 13 or 14 comprising a cutter coupled to said guide.

16. The device of any one of claims 1 to 15 comprising past applicator for applying past to said sheet.

17. The device of any one of claims 1 to 16 wherein said guiding module is mounted from both sides thereof on a slider assembly associated with said two branches respectively and wherein the slider assembly is configured to enable moving the guiding module in between a retracted position, in which the guiding module is distanced from the wall, and an extracted position.

18. A method to apply strips of rolled material on walls, the method comprises: anchoring an application assembly, which is adapted for hanging a strip of rolled material, near a wall by extending and placing an extendable leg assembly having at least one extendable leg carrying said application assembly, such that said extending and placing provides that: (a) at least two branches of said application assembly having anchor regions located at a distal ends of the application assembly and extending with an oblique angle relative to the leg assembly, are coupled, via said anchor regions, near to a corner of said wall and a ceiling; and (b) a base of said leg assembly is placed on an opposing floor surface; thereby anchoring said application assembly near said corner; passing a strip of the rolled material over a guiding module that extends in between said two branches; whereby said guiding module extends from the proximity of the distal ends of said two branches and being thereby slightly distanced from the wall to enable passing and hanging the strip of the rolled material over said guiding module from said corner and in close vicinity to said wall; thereby enabling to apply said strip of rolled material to said wall by pasting said strip.

19. The method of claim 18 wherein at least one of said application assembly and said extendable leg assembly are configured to have flexibility in between a base of said leg and said anchor regions, and wherein said anchoring comprises at least one of extending and placing said extendable leg assembly with tension between said floor and said ceiling.