Brushes and similar to shells and their mode of realization.

AS AFRICAN INDUSTRIAL PROPERTY AND THE MALAGASY PATENT

P. 887

international Patent Classification yaoundê (Cameroon): has 46 no. 02483

O M/P A. I/V-requested 4 August 1967 to 8 - 15 min to 1 hr ro.A.M.p.. (g.P. no. 53,026) by

the company said: B.I.P. patents invents a promotions S.A. residing in Luxembourg.

5 May 1970 delivered

Publishes official ballot № 1 of 1970

Priority: Patent application filed in France under the no. 72983 the 12 £oût 1966 on behalf of Bernard CAZET

Brushes and the like to shells and their embodiment.

the present invention is relative to the brushes

and other bristle products like in which packing of fibers, strands or bristles held between complementary shells joined together. It is the object conforming shells such that assembly of the brush is easy and rapid and that the packing is held in good conditions of solidity, despite efforts supported in use, - and sealing.

^ In first order lîLnvention is to enable

industrially manufactured fast and giving good products, by assembling snapshot by centering and clamping of the two shells on one another, by sandwiching the packing they are intended to contain. another object of the invention is to coordinate

both a perfect mounting strength of the two shells together, at the same time as their dimensional, by stiffening webs provided on each of the two shells and available for a hoop which both covers the portion of the half-shells shaped socket for receiving the handle and encloses said sails - stiffening.

Another object of the invention is to allow

the manufacture of brushes which the lining is fibrous plant, such as rice straw, sorghum, andc without risking the disadvantages due to the formation of mildew that affect frequently within the brush, by the conventional manufacturing methods particularly during storage. -

Another object of the invention is to ensure a

the packing in the perfect held half shells and this, owing to the arrangement, in the skirt of the half-shells, sets of teeth or barbs which inserts into the packed-s-- midwife.

the invention comprises, further, various features which will appear in the course of the description which will follow of particular embodiments of the invention in the case of a brush, with references to the accompanying drawings in which:

figure 1 is an elevation view, partly tearing with a mop according 1' - present invention.

figure 2 is a perspective view of one of the two half-shells for the formation of such a balai.la fig. 3 is a perspective view of a shrink sleeve portions d AE half-shells forming the fixing sleeve of the handle -.

figure 4 is a cross-sectional view of the axial " mop according Figure 1 -.

figure 5 is a perspective view, corresponding to Figure 2, of a second embodiment of. realized - except -.

figure 6 is a view in axial cross-section of the " mop according Figure!? -.

La in Figure T is a sectional view of the clipping of the sides of the half coquilies, in the case of the variant of Figure 5 -.

Figures 8 and 9 are partial views in section showing the nesting of the sides of the half-shells. fig. 10 is a schematic view for

to illustrate the mode of previously forming the packing. in the example represented in Figures 1 to 4

the blade is constituted by a beam 1 of rice straw, sorghum, or the like, clamped between two half-shells forming by their meeting a ferrule and a skirt 3 2. Preferably, the half-shells are made of a thermoplastic material such as a "high impact polystyrene".

Each of said half-shells is extended, at its upper part by a half-cylindrical sleeve 4 connected to the skirt portion 2 by stiffening webs symmetric planes - 5.

the bottom 6 of each of the half-shells comprises on the one hand, the stapling means a male 9, the other the other female 8, those of the half-shells being complementary ' those of the other, so as to hook up into each other by simple pressure, due to the elasticity of the material, in the manner of a clip. WITH

F. this purpose, stapling members comprise at least one oblique face 27 for easy penetration into the organ

•complementary and a retaining face 28 which ensures the hook therein. There is, furthermore, centering means also complement each 7^has estim -

the Te ' as a perforation, the other 7^corresponding needle-like. In the bottom of each of the shell members is on the other hand, provided a transverse rib 12, prevailing over all or part of the width, and acting as a stop against which comes to bear the. heel of the body

/ (( the packing -.

These stapling and centering members may be in any convenient number. Instead of being spot, which is the case of Figure 2, they may be linear, as well as shown in Figure 5 · GBP_C. -. In this variation, they affect the form of platelets

3, " b.

transverse 37 - 37 projecting from the bottom of the

Q - k half shells whose free edges 38 - 38 form latching noses point in opposite directions, as shown in Figure 6. In the variant of Figure 5, the centering means are constituted by platelets

3 b.

39 - 39 which bear against each other, as seen in Figure sec. -

It should be noted that the arrangement

centering members and stapling of Figures 5 and 6 provides at the same time gives a rigidity of the base 40 of the half-shells and staking prevailing over almost their entire width, thereby eliminating the tendency to yawn when mounting the lining is -.

the sails 5 form for the two half-shells of the planar bearing surfaces that extend the sides 23.24. They may have one of the other holes 25>spikes corresponding to improve the accuracy of the presentation of the two half-shells with respect to the other.

Furthermore, the edges 16 - 17 or 18 - 19 may be-in connector, as well as shown in Figures 5 and 6. -

The socket 4, for receiving the handle of the mop is slightly conical. It receives, upon assembly of the two half-shells, a sleeve or ferrule 13 having a reinforcing rib 15, forming a stop, said sleeve being provided with lateral indentations 14 of a height corresponding to the height of the rib that form the sails 5 on the flank of the sleeve - 4.

La skirt 2 may advantageously include two outer ribs 20 and 2z between which finds its place a belt 2# which ensures in this portion pressing the two half-shells against 1' - another.

the skirt may, further, comprise a series

perforations 26, suitably spaced apart will serve to placement of staples or execution of a broaching for improving solidarity between the lining and the skirt. This' broaching is hidden by the belt 2 * - #.

Finally, the half shells have inside the surrounding part of their edge to improve packing holder asperities of any suitable shape is for example constituted by lines of serrations 10.11 advantageously offset with respect to each other (fig. 2) either by two series décàées sharp spikes (fig. 5) 40.42 therebetween a planar portion 41.43 " arrangement which allows the barbs to sink easily between strands of the packing. In the variant of Figure 5, the pins 42 in the upper row are of smaller size than those of the lower row 40, thereby facilitating penetration into the heel of the lining -.

The connection between the two half-shells can be further strengthened, and it is represented in Figure 7 by enclosing the side portions thereof with staples demijupes trims 47 edges of which fit into corresponding grooves 48 of the half-shells. The clips may be provided by simply sliding -, and are held in place by the belt 2 - #.

The mounting of the blade takes place as follows: the pads is formed either by stitching or stapling, or tightening strands between two webs 44 (fig. 10) and its heel 45 is soaked in an agglutinating substance maintained in liquid state by heating and capable of being easily gelled, e.g. polyethylene. the lining is then inserted between the two half-shells having care abut its head against the ribs or wafers 12 (fig. 2) inner 37 or^has ^ - 37 (fig. 5), the centering means having previously been brought in good coincidence. It is only necessary to tighten the half shells against one another, for example to the press, to ensure the engagement of complementary means for clamping, as seen in Figures 4 and 6 -.

La solidarity the periphery of the half-shells is obtained either due to this pressure when it is coated sides 23>24 and the webs 5 of suitable adhesive; or a process of proper soldering, applied to the plastic material forming said sides and sails. -

when this assembly operation is performed immediately after the impregnation of the heel of the lining the teeth 42 are taken in the gelation of the agglutinating substance and achieves excellent - solidarity.

In the case where the formation of the stuffing is performed by a simple broaching, the penetration of the teeth 42 also provides sufficient solidarity. -

To further strengthen the connection between the sides of the two half-shells, can be placed while the staples joints 46, by simply sliding -.

It remains then placing the sleeve 13 on the sleeve 4 and the belt 2/between the ribs 20 and 21 - *

See as well as not only the manufacture

the broom operations consist of simple and may be accomplished by mechanical means using conventional machines, but that this provides a blade having both a perfect solidarity shells, resulting

the conjoint action of stapling means interior, the fixation by the circumference and tightening of sleeve and belt, the brush further having excellent sealing by bonding or welding of the half-shells on their assembly joint. -