EP0160623B1 - Verfahren zum Herstellen von Besen, Bürsten oder dergleichen sowie nach diesem Verfahren hergestellter Besen oder Bürste - Google Patents
Verfahren zum Herstellen von Besen, Bürsten oder dergleichen sowie nach diesem Verfahren hergestellter Besen oder Bürste Download PDFInfo
- Publication number
- EP0160623B1 EP0160623B1 EP19850830032 EP85830032A EP0160623B1 EP 0160623 B1 EP0160623 B1 EP 0160623B1 EP 19850830032 EP19850830032 EP 19850830032 EP 85830032 A EP85830032 A EP 85830032A EP 0160623 B1 EP0160623 B1 EP 0160623B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plank
- tufts
- walls
- holes
- small
- 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.)
- Expired
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D9/00—Machines for finishing brushes
- A46D9/02—Cutting; Trimming
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/302—Broom
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/308—Curling brooms
Definitions
- the invention relates to the industrial sector relating to the production of brooms, brushes and the like for cleaning a house or premises in general.
- the useful length "L" of contact of the fibers on the surface to be cleaned appears reduced because the groups of outermost tufts of fibers have their ends raised from the bearing surface of the other tufts of fibers which are found in the middle part of the board.
- the distance "D" 'between the ends of the outer fibers and the heads of the board is slightly greater than the distance "D" in FIG. 1 so that it is not able to an excellent solution to the problem of sweeping angles between contiguous walls of a room.
- the free ends of all tufts or small bundles of fibers implanted in the board are shaved, in order to carry the ends of said tufts more precisely in the same plane and the shaving is carried out so that this plane is parallel to the surface of the board from which the tufts or small bundles of fibers protrude.
- shaving is executed so that said fiber layout plane is inclined relative to the surface of which the tufts or small bundles of fibers protrude.
- the inclination of said small inclined walls is provided so that each of these, seen from the side, is essentially normal to a straight line joining it to an ideal point of oscillation of the board for drilling and embedding tufts or small bundles of fibers, so as to facilitate drilling operations as much as possible with the certainty that there are no mechanical bending stresses on the drills regardless of the value of the oscillation of the board around said point.
- the board 1 obtained according to the method of the present invention is provided, in the areas 1a close to the heads 2 of the same board, with a series of small inclined walls 3 obtained on the surface 4 of the board 1 opposite that, indicated in 5, intended to receive by interlocking, the handle of the broom, not shown in the figures.
- the small walls 3 form with the surface 4 of the board 1 an acute angle a whose opening decreases as the small walls 3 are closer to the intermediate part of the board 1 (and therefore to the surface 4), this intermediate part being devoid of small walls.
- the angle a 'indicated in FIG. 4 and referring to the small wall 3 1 closest to the intermediate part of the surface 4 has a value much less than the angle a which refers to the outermost small wall 3 presented by the board 1.
- the small walls 3 are obtained on the surface 4 in several rows indicated in F - F, - F 2 , parallel to the longitudinal symmetry director of the board 1, and they are arranged on several lines R , - R 2 normal to said longitudinal director.
- the inclination of the small walls 3 is determined in advance so that each of these is substantially normal to a straight line 6 joining it at an ideal point 7 oscillation of the board 1 for drilling and embedding tufts or small bundles of fibers 8.
- the ends of the tufts or bundles of fibers which are located near the heads 2 of the board are very far from said heads.
- the tufts or bundles of fibers 8 intended to be implanted in the holes 16 obtained on the small walls 3 are chosen to be of different length relative to each other.
- a distance D II is thus obtained between the outermost ends of the tufts or small bundles of fibers 8 and the heads 2 of the board 1 much greater (at equal length X of the tufts or small bundles of fibers used for making the brooms of known type, as shown in FIGS.
- the small walls 3 can also be inclined relative to a transverse director on the surface 4 of the board 1 and they can be distributed in a uniform or non-uniform manner over the zones 1a and be provided with one or more housings for the 'embedding tufts or small bundles of fibers 8.
- the board 1 may avoior the most different shapes and conformations. For example, as shown in FIGS. 7 and 8, it may have, in correspondence with the zones 1a close to the heads 2, the small inclined walls 3 dimensioned so as to essentially form a single curved plane.
- the small walls 3 may also be inclined in the transverse direction of the board 1; in this case the smallest most inclined walls will always be those which are more towards the outside of the board 1.
- the portions 1a of the board can be folded upwards or in any case curved or arched.
- the board 1 can be provided, in the intermediate zone of its lower surface 4 and as shown in broken lines in FIG. 7, with a recessed portion 9 which, thanks to the fact that the tufts of fibers 8 are therefore longer, makes it possible to better exploit the same tufts of fibers 8 and lose a smaller amount of material when shaving. Since it is possible to have, at least in the zone having said recessed portion 9, tufts of fibers 8 of a certain length, a brush is obtained which is provided with more flexibility and therefore with a further improved cleaning effect.
- the holes 16, and consequently the tufts of fibers 8 can be arranged perpendicular to the longitudinal direction of the board 1, or else their axes can pass through the point 7 for a better and more uniform distribution of the fiber ends.
- the board 1 can be obtained using any suitable material and the small walls 3 can be formed directly during the molding phase of the board 1 (if it is made of plastic) or else obtained by machining, for example by milling; furthermore, their surface can be flat, or convex or concave.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85830032T ATE39604T1 (de) | 1984-05-04 | 1985-02-13 | Verfahren zum herstellen von besen, buersten oder dergleichen sowie nach diesem verfahren hergestellter besen oder buerste. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT3452 | 1984-05-04 | ||
IT03452/84A IT1179330B (it) | 1984-05-04 | 1984-05-04 | Metodo per la realizzazione di scope, spazzole o simili e scopa o spazzola ottenuta con tale metodo |
IT8405127U IT8405127V0 (it) | 1984-11-30 | 1984-11-30 | Scopa o spazzola con assicella provvista di paretine inclinate per il supporto dei ciuffi o dei mazzi di fibre montanti il corpo pulente |
IT5127U | 1984-11-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0160623A2 EP0160623A2 (de) | 1985-11-06 |
EP0160623A3 EP0160623A3 (en) | 1986-08-13 |
EP0160623B1 true EP0160623B1 (de) | 1989-01-04 |
Family
ID=26325393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19850830032 Expired EP0160623B1 (de) | 1984-05-04 | 1985-02-13 | Verfahren zum Herstellen von Besen, Bürsten oder dergleichen sowie nach diesem Verfahren hergestellter Besen oder Bürste |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0160623B1 (de) |
DE (1) | DE3567144D1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5010616A (en) * | 1989-11-27 | 1991-04-30 | The Libman Company | Slanted handle broom |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1363282A (en) * | 1918-04-04 | 1920-12-28 | Smith Christian | Brush |
GB409039A (en) * | 1932-11-01 | 1934-04-26 | Charles Barnett | Improvements in brooms, brushes and the like |
GB831312A (en) * | 1956-04-03 | 1960-03-30 | Ermete Piermari | Improvements in or relating to toothbrushes |
US4360940A (en) * | 1981-04-01 | 1982-11-30 | Smith Louise W | Corner brush |
-
1985
- 1985-02-13 EP EP19850830032 patent/EP0160623B1/de not_active Expired
- 1985-02-13 DE DE8585830032T patent/DE3567144D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0160623A3 (en) | 1986-08-13 |
EP0160623A2 (de) | 1985-11-06 |
DE3567144D1 (en) | 1989-02-09 |
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