EP1725381B1 - Pince pour decouper des tubes en matiere plastique - Google Patents

Pince pour decouper des tubes en matiere plastique Download PDF

Info

Publication number: EP1725381B1
Authority: EP; European Patent Office
Prior art keywords: lever; wheel; tube; notches; blade
Prior art date: 2004-03-10
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.): Not-in-force

Application number

EP05730725A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP1725381A1 (fr

Inventor

Lionel Marcon

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.)

Pierre Grehal et Cie SA

Original Assignee

Pierre Grehal et Cie 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.)

2004-03-10

Filing date

2005-02-22

Publication date

2009-09-30

2005-02-22 Application filed by Pierre Grehal et Cie SA filed Critical Pierre Grehal et Cie SA

2006-11-29 Publication of EP1725381A1 publication Critical patent/EP1725381A1/fr

2009-09-30 Application granted granted Critical

2009-09-30 Publication of EP1725381B1 publication Critical patent/EP1725381B1/fr

Status Not-in-force legal-status Critical Current

2025-02-22 Anticipated expiration legal-status Critical

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
- B26D3/169—Hand held tube cutters

Definitions

the invention relates to a clamp for cutting plastic tubes according to the preamble of claim 1.
a clamp is described by the EP-A-761396 .
plastic tubes when plastic tubes are used in an electrical installation as cable ducts, it is to be able to cut tubes of different diameters.
the object of the invention is to provide a clamp for cutting plastic tubes, which combines in it the advantage of a fast and precise cutting with that of a section of tubes of different diameters.
the object of the invention is achieved with a clip having the features of claim 1.
the clip comprises a first and a second lever on a pivot axis allowing them to be pivoted relative to each other between a open position to receive a tube to be cut and a closed position at the end of the cut.
the first lever is provided with notches of different widths each of which is intended to receive a tube of corresponding diameter.
the second lever supports a blade.
the clamp comprises a wheel pivotally mounted on the first lever.
the circumference of this wheel are notches made so that a notch chosen according to the diameter of the tube can be put next to the blade by rotating the wheel in a corresponding position.
a single clamp is used to cut tubes of at least two different diameters. It is easily understood that the number of notches that can be made in the wheel, and consequently the number of different diameters of the tubes that can be cut with the same clamp, depends both on the diameters of the tubes and the diameter of the wheel. In this sense, the embodiment shown in the drawings and described below according to which the clamp of the invention is made to cut tubes of three different diameters, is only one embodiment, which should not be considered in no way as limiting.
the use of a sharp blade can initiate the cutting of the tube at a point of the circumference of the tube and continue from this point by cutting the tube in two opposite directions.
notches having a width slightly smaller than the diameter of the tube has the consequence that the tube is slightly deformed when it is inserted into the notch.
the initially circular section of the tube then becomes an oval section whose curved part of the circumference is oriented towards the blade.
the tube is not likely to collapse under the pressure of the tip of the blade when it comes to rest on the tube to start cutting.
the forceps of the invention which is designed for cutting plastic tubes, and which is shown in FIG. figure 1 in the open position and on the figure 2 in the closed position, comprises a first lever 1 and a second lever 2.
the two levers are articulated together on a pivot axis 3 which allows them to be pivoted relative to each other between an open position to receive a tube to be cut and a closed position at the end of a cut.
the first and second levers 1, 2 are advantageously constituted by longitudinally folded metal profiles substantially U-shaped. These profiles, one of which is narrower than the other, are engaged one inside the other and articulated on the pivot axis 3.
the first lever 1 supports a wheel 4 provided with three notches 41, 42, 43 each having a different width d and intended for receive a tube of diameter D which must be cut.
the width d of each of these notches is slightly less than the diameter D of the tube to which each slot is assigned. Because of this design of the invention, the cutting of a tube is essentially in two stages. The first step consists in placing a tube on the inlet of the corresponding notch, followed by the insertion of the tube into the notch by the blade, accompanied by a local deformation of the tube.
the second step consists of cutting the tube.
the wheel 4 is constituted by two disks 44, 45 parallel to each other which are mounted axially distanced from each other on the same axis of rotation 11.
the axis 11 is housed in the first lever 1, more precisely in each of two branches 14, 15 through which ends the first lever 1.
the axis of rotation 11 is oriented parallel to the pivot axis 3 of the levers 1, 2.
the two discs 44, 45 are each provided with three spikes 46 obtained by stamping.
the pins 46 extend towards the corresponding branch of the lever 1, namely the pins 46 of the disk 44 are oriented towards the branch 14 of the lever 1 and the pins 46 of the disk 45 are oriented towards the branch 13 of the lever 1.
each of the two branches 13, 14 of the lever 1 terminates beyond the axis of rotation 11 of the two disks 44, 45 by a branch end 16, 17.
the lever 1 terminates in two L-shaped branches 13, 14, the transverse portion of which relative to the general extent of the lever 1 constitutes the end of the branch 16, 17.
Each of these branch ends 16, 17 is provided with a hole 12, 13 with which cooperates one of the three pins 46 of each of the disks 44, 45 to mark a stop position of the wheel 4 for the chosen notch. So, in the position represented on the figure 1 , the pin 46 of the disk 44, engaged in the hole 12 of the end of leg 16 of the lever 1, is the one that ensures the exact position of the notch 42 of the wheel 4.
the gripper To lock the clamp in the closed position, it is provided with a locking means 21 which is here in the form of a pivoting latch 22 mounted on the lever 2 and a corresponding notch 23 formed in the lever 1.
the gripper according to the invention finally comprises, as part of the protection of the hands and to be able to grip the gripper in an easier way, plastic sleeves 31, 32 provided with flat protrusions 33, 34 intended primarily to protect the hand in case small incidents while cutting a tube.

Landscapes

Life Sciences & Earth Sciences (AREA)
Forests & Forestry (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Scissors And Nippers (AREA)
Details Of Cutting Devices (AREA)
Knives (AREA)

EP05730725A 2004-03-10 2005-02-22 Pince pour decouper des tubes en matiere plastique Not-in-force EP1725381B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR0402504A FR2867407B1 (fr)	2004-03-10	2004-03-10	Pince pour decoupe des tubes en matiere plastique
PCT/FR2005/000410 WO2005097435A1 (fr)	2004-03-10	2005-02-22	Pince pour decouper des tubes en matiere plastique

Publications (2)

Publication Number	Publication Date
EP1725381A1 EP1725381A1 (fr)	2006-11-29
EP1725381B1 true EP1725381B1 (fr)	2009-09-30

Family

ID=34896439

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05730725A Not-in-force EP1725381B1 (fr)	2004-03-10	2005-02-22	Pince pour decouper des tubes en matiere plastique

Country Status (7)

Country	Link
US (1)	US20070289140A1 (ja)
EP (1)	EP1725381B1 (ja)
JP (1)	JP2007527761A (ja)
AT (1)	ATE444145T1 (ja)
DE (1)	DE602005016902D1 (ja)
FR (1)	FR2867407B1 (ja)
WO (1)	WO2005097435A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8627752B2 (en) *	2009-12-16	2014-01-14	William Saad	Tool for cutting ceiling tile grid stock and method of cutting using the tool
US20170136645A1 (en) *	2014-11-12	2017-05-18	Jeffrey A. White	TUBE CUTTING and INSTALLATION TOOL
TWM534671U (zh) *	2016-09-23	2017-01-01	Hanlong Industrial Co Ltd	管剪
CN115488932A (zh) *	2021-06-18	2022-12-20	杭州巨星科技股份有限公司	多功能管子割刀

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US560524A (en) *		1896-05-19		Wire-stripping tool
US20387A (en) *		1858-05-25		Peters
US2968096A (en) *	1960-02-29	1961-01-17	Bonito Vincent	Wire stripping tool
US3543616A (en) *	1968-03-21	1970-12-01	Marion W Bradley	Slitter and insulation for tape-type wire
JPS5913013U (ja) *	1982-07-14	1984-01-26	株式会社コムラ製作所	チユ−ブカツタ−
JPS60117020U (ja) *	1984-01-18	1985-08-07	株式会社　潤工社	チユ−ブカツタ
CA2184444A1 (en) *	1995-09-07	1997-03-08	Fiberstars Incorporated	Hand-held severing device
FR2843904B1 (fr) *	2002-08-28	2005-04-29	Pierre Grehal Et Cie Ets	Ensemble pour la decoupe d'un materiau longiligne de troncons d'une longueur predeterminee

2004
- 2004-03-10 FR FR0402504A patent/FR2867407B1/fr not_active Expired - Lifetime
2005
- 2005-02-22 EP EP05730725A patent/EP1725381B1/fr not_active Not-in-force
- 2005-02-22 JP JP2007502363A patent/JP2007527761A/ja active Pending
- 2005-02-22 AT AT05730725T patent/ATE444145T1/de not_active IP Right Cessation
- 2005-02-22 WO PCT/FR2005/000410 patent/WO2005097435A1/fr active Application Filing
- 2005-02-22 DE DE602005016902T patent/DE602005016902D1/de active Active
- 2005-02-22 US US10/598,704 patent/US20070289140A1/en not_active Abandoned

Also Published As

Publication number	Publication date
JP2007527761A (ja)	2007-10-04
EP1725381A1 (fr)	2006-11-29
FR2867407B1 (fr)	2006-05-05
WO2005097435A1 (fr)	2005-10-20
ATE444145T1 (de)	2009-10-15
DE602005016902D1 (de)	2009-11-12
US20070289140A1 (en)	2007-12-20
FR2867407A1 (fr)	2005-09-16

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