EP1134058B1 - Outil pour tronconner un conduit annelé - Google Patents
Outil pour tronconner un conduit annelé Download PDFInfo
- Publication number
- EP1134058B1 EP1134058B1 EP01420059A EP01420059A EP1134058B1 EP 1134058 B1 EP1134058 B1 EP 1134058B1 EP 01420059 A EP01420059 A EP 01420059A EP 01420059 A EP01420059 A EP 01420059A EP 1134058 B1 EP1134058 B1 EP 1134058B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- tool
- cutting
- rib
- ribs
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
Definitions
- the invention relates to a tool for cutting a pipe. ringed (see e.g. US-A-4912847).
- a corrugated duct is a body of revolution, of section circular or other, the wall of which has sinusoidal undulations, of regular profile or not.
- Such corrugated plastic pipes are used to contain electrical or optical conductors, conduits pneumatic or hydraulic circuit.
- corrugated conduits are filled, as soon as they manufacturing, by the network they must protect and are supplied in rolls, that must be cut on demand.
- this cutting is carried out manually by a cutting tool, cutter type, which is engaged radially in the hollow of a wave, then is moved circularly around the conduit.
- the engagement in the hollow of the wave makes it possible to use the flanks of the waves juxtaposed as a means of guiding the blade and as a means of protection for the operator, but has the disadvantage of allowing the sharp blade penetrating the heart of the conduit.
- the networks contained in the conduit, and invisible from the outside can be more or less severely injured by the blade.
- the object of the present invention is to remedy this by improving a cutting-off tool comprising a handle, one of the ends is provided with means for positioning a sharp blade projecting from said end, and a blade clamping plate.
- the plate and the end of the handle, receiving the blade and said plate are provided each and, on either side of the projecting part of the blade, of a rib having a cross section complementary to that of a hollow wavelength longer than the depth of this trough, but the end of which is separated from the edge of the blade by a distance less than the height of the corrugations.
- Another advantage of this tool is that the sharp blade is perfectly protected by the two ribs and that it cannot hurt the operator.
- Figure 1 is an exploded perspective view showing the components of the tool
- Figures 2 and 3 are side views in section of the tool, respectively before engagement in a corrugated conduit and during sectioning of this conduit.
- the cut-off tool is composed a handle 2, one end of which is provided, on the one hand, with a housing 3 for receiving a sharp blade 4, and on the other hand, a housing 5 for receiving a clamping plate 6.
- the plate 6 is linked to the handle 2 by a screw 7, passing through a bore 8, passing through a bore 4a of the blade cut 4 and screwed into a threaded bore 9, or into an insert of round 2.
- the end of the handle receiving the blade section 4 has a projecting rib 10, while the plate 6 has a projecting rib 12.
- Figure 2 shows that when the components of the sectioning are assembled, the two ribs 10 and 12 are arranged symmetrically on either side of the sharp blade 4 and so as to correspond to two waves 13 framing a vertex 14 of the conduit 15 which must be sectioned.
- each rib 10 has a cross section complementary to a trough 13 and a length L which is greater than the depth c of a trough. Furthermore, the top of each rib 10 and 12 projects from the cutting edge 4b of the blade 4 with a value S which is less than the height H of the undulations.
- Figure 1 shows that the ribs 10 and 12 are curvilinear and have radii of curvature centered on the longitudinal axis of the conduit, when the tool is in the use position as shown in the figure 3.
- Each rib projects from a cylindrical seat, respectively 16 for the handle, and 17 for the plate 6 which forms a wear indicator.
- Figures 2 and 3 show that both at rest and during when used, the tool provides optimal protection for the operator and avoids any risk of injury.
- the same tool can be used with diameter pipes different but with similar grooves.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
- Knives (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Description
Claims (3)
- Outil pour tronçonner un conduit annelé comprenant un manche (2), dont l'une des extrémités est munie de moyens de positionnement (3) d'une lame tranchante (4) saillant de ladite extrémité, et une plaquette (6) de serrage de la lame, caractérisé en ce que la plaquette (6) et l'extrémité du manche (2), recevant la lame (4) et ladite plaquette (6), sont munies, chacune et de part et d'autre de la partie dépassante de la lame (4), d'une nervure (10, 12) ayant une section transversale complémentaire de celle d'un creux d'onde (13), une longueur (L) supérieure à la profondeur (c) de ce creux d'onde, mais dont l'extrémité est séparée de l'arête (4b) de la lame par une distance (S) inférieure à la hauteur des ondulations.
- Outil selon la revendication 1, caractérisé en ce que chaque nervure (10, 12) est curviligne.
- Outil selon la revendication 1, caractérisé en ce que chaque nervure (10, 12) fait saillie d'une portée (16, 17) qui, en venant en contact avec les sommets des ondes, constitue témoin d'usure de la nervure correspondante.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0003746 | 2000-03-16 | ||
FR0003746A FR2806341B1 (fr) | 2000-03-16 | 2000-03-16 | Outil pour tronconner un conduit annele |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1134058A1 EP1134058A1 (fr) | 2001-09-19 |
EP1134058B1 true EP1134058B1 (fr) | 2003-03-26 |
Family
ID=8848447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01420059A Expired - Lifetime EP1134058B1 (fr) | 2000-03-16 | 2001-03-07 | Outil pour tronconner un conduit annelé |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1134058B1 (fr) |
AT (1) | ATE235352T1 (fr) |
DE (1) | DE60100137T2 (fr) |
FR (1) | FR2806341B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011056040A1 (de) | 2011-12-05 | 2013-06-06 | Rothenberger Ag | Vorrichtung zum Ablängen von Wellrohren |
CN106476069B (zh) * | 2016-10-27 | 2019-01-01 | 浙江双林机械股份有限公司 | 一种塑料波纹管切割机旋转仿型割刀 |
DE102019113513A1 (de) * | 2019-05-21 | 2020-11-26 | RoRi GmbH | Schneidvorrichtung zum Ablängen eines Well- oder Riffelrohres |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4241504A (en) * | 1979-03-02 | 1980-12-30 | Ceron Jose D | Record album opener |
FR2596682A1 (fr) * | 1986-04-07 | 1987-10-09 | Preposreve | Couteau plus particulierement destine a couper les aretes externes de cartons d'emballage parallelepipediques |
US4912847A (en) * | 1988-12-05 | 1990-04-03 | Bradshaw William T | Cutting tool for `entx`-type plastic conduit |
-
2000
- 2000-03-16 FR FR0003746A patent/FR2806341B1/fr not_active Expired - Fee Related
-
2001
- 2001-03-07 DE DE60100137T patent/DE60100137T2/de not_active Expired - Fee Related
- 2001-03-07 EP EP01420059A patent/EP1134058B1/fr not_active Expired - Lifetime
- 2001-03-07 AT AT01420059T patent/ATE235352T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2806341A1 (fr) | 2001-09-21 |
FR2806341B1 (fr) | 2002-05-10 |
EP1134058A1 (fr) | 2001-09-19 |
ATE235352T1 (de) | 2003-04-15 |
DE60100137T2 (de) | 2003-09-25 |
DE60100137D1 (de) | 2003-04-30 |
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