EP1002629A1 - Lame de coupe pour des bourrelets adhésifs aux vitres des véhicules automobiles - Google Patents

Lame de coupe pour des bourrelets adhésifs aux vitres des véhicules automobiles Download PDF

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Publication number
EP1002629A1
EP1002629A1 EP99116750A EP99116750A EP1002629A1 EP 1002629 A1 EP1002629 A1 EP 1002629A1 EP 99116750 A EP99116750 A EP 99116750A EP 99116750 A EP99116750 A EP 99116750A EP 1002629 A1 EP1002629 A1 EP 1002629A1
Authority
EP
European Patent Office
Prior art keywords
cutting
receiving opening
cutting part
cutting edge
cutting knife
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.)
Granted
Application number
EP99116750A
Other languages
German (de)
English (en)
Other versions
EP1002629B1 (fr
Inventor
Bert G. Wurst
Peter Grunikiewicz
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.)
C&E Fein GmbH and Co
Original Assignee
C&E Fein GmbH and Co
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.)
Filing date
Publication date
Application filed by C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP1002629A1 publication Critical patent/EP1002629A1/fr
Application granted granted Critical
Publication of EP1002629B1 publication Critical patent/EP1002629B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B7/00—Hand knives with reciprocating motor-driven blades

Definitions

  • the invention relates to a cutting knife for a cutting tool for cutting adhesive beads on window panes from Vehicles with a U-shaped angled cross section a first leg with a receiving opening for attachment on an oscillation drive, and a second leg, the is designed as a cutting part and with an intermediate web the first leg of the cutting knife is connected, the The intermediate web and the second leg are shaped so that between the center of the receiving opening and at least one There is a clearance in the radial direction.
  • U-shaped angled cutting knives are, for example known from DE 33 24 676 C1 and from EP 0 141 035 B1, the former revealing a crescent-shaped cutting part, that faces away from the receiving opening, and the latter one Crescent-shaped cutting part reveals that to the receiving opening indicates.
  • EP 0 369 390 A2 is U-shaped angled cutting knife known, the cutting part is directed straight.
  • the known cutting knives have in common that when cutting of adhesive beads, for example when removing a damaged windshield a significant risk of breakage of a motor vehicle is available for the cutting knife.
  • the object of the invention is therefore a cutting knife of the type mentioned at the outset to improve that the susceptibility to breakage is reduced. It should also the effort required to cut through an adhesive bead is kept low, at least not significant increase.
  • This task is performed with a cutting knife according to the above mentioned type according to the invention solved in that the second Thigh in a middle area between its outer, free end and its angled transition to the intermediate bridge has a smaller width than at the transition and at the outer end.
  • the cutting part a first and facing the receiving opening concave curved cutting edge, as well as a second, the receiving opening facing away and convexly curved in relation to this Cutting edge.
  • This measure will improve centering and guidance of the cutting knife while working both if the cutting knife is pointing towards while working is pulled towards the receiving opening, as well as when the cutting knife in the already cut part of the adhesive bead must be returned in a reverse direction.
  • this Cutting part a first facing the receiving opening and in Reference to this concave curved cutting edge, as well as a second one straight or slightly convex curved, the receiving opening facing edge.
  • Such an embodiment is particularly advantageous if with the cutting knife only in a preferred direction, namely work towards the opening should. As a result of the slightly wider cutting part the stability is further improved.
  • the cutting part a first, directed straight towards the receiving opening or slightly convexly curved cutting edge, as well as one second facing away from the receiving opening and in relation to this convexly curved cutting edge.
  • Such a design of the cutting knife is particularly then advantageous if due to the special geometry of certain Motor vehicles not the main direction of work as in the two previously mentioned embodiments from the cutting part in
  • the cutting knife runs in the direction of the receiving opening not pulled through the adhesive bead, so to speak will, but if the cutting knife is in the opposite Direction must be guided, so to speak through the adhesive bead must be pushed through.
  • the edge becomes concave Cutting process again facilitated by the scythe effect, while due to the overall somewhat wider execution of the whole Cutting part the susceptibility to breakage is reduced.
  • the cutting part a tip at its outer end.
  • the cutting part shaped so that the radial distance to the center of the Opening opening from the transition to the outer end enlarged.
  • FIG. 1 shows a cutting tool according to the invention as a whole represented by the number 10.
  • the cutting tool 10 comprises an oscillation drive 12, whose drive shaft 14 with a high frequency in the range between about 5,000 and 25,000 vibrations per minute and with small Swivel angle oscillating in the range between approximately 0.5 ° and 5 ° is drivable.
  • On the drive shaft 14 is a total with the number 16 designated cutting knife with a receiving opening 18 positively on a polygon 20 of the drive shaft 14 recorded and by a nut 24 on a thread 22 of the drive shaft 14 attached.
  • the cutting knife 16 is angled approximately U-shaped in cross section and has a first designed as a fastening part 32 Leg in which the receiving opening 18 in the form of a Twelve edges is formed, the shape of which is shown in FIGS. 2 to 4 is seen.
  • the fastening part 32 is via an intermediate web 36 connected to a second outer leg, which as Cutting part 34 is formed.
  • the fastening part 32 with the intermediate web 36 forms one Angle that is slightly larger than 90 °, and preferably in the range is between about 93 ° and 110 °. This allows the oscillation drive 12 angled slightly outwards when working being held.
  • the cutting tool 10 is used to cut through an adhesive bead 30 of a window pane 26 on a motor vehicle a body flange 28 is glued. It can be this e.g. act as a windshield on the A-pillar of the Body connected by the circumferential adhesive bead 30 or is completely sealed.
  • This adhesive bead 30 usually consists of a special polyurethane, the one UV resistance as high as possible and a high mechanical and Has long-term stability. By gluing the windshield with the A-pillar, the windshield is essential to the stability of the body. It is therefore understood that the adhesive bead made of such a tough and stable material exists that its complete severance for expansion the windshield after a stone chip damage is associated with a considerable effort, even if the beneficial effect of the oscillation drive 12 is taken into account.
  • the cutting knife according to the invention offers increased stability especially in this area, since according to FIG. 2 its width c dimensioned larger in the area of the transition 38 to the intermediate web 36 is the width b in the central area of the cutting part 34, the cutting part 34 at its outer end 40 again has an enlarged width d.
  • This configuration is in addition to the improved Stability in the area of transition 38 an improved Cutting effect and centering achieved during the cutting process.
  • this has Cutting part 34 a first, the receiving opening 18 facing Cut 44, which is concave with respect to the receiving opening 18 is curved, and a second cutting edge 46 on the opposite, the receiving opening 18 facing away from the side on the receiving opening 18 is convexly curved.
  • the cutting part 34 has a tip at its outer end 40 42 on through one of the first cutting edge 44 to the second Cutting edge 46 formed obliquely outward straight edge 43 is.
  • the cutting knife 16 thus has approximately the shape of a tomahawk on.
  • the tip 42 facilitates the piercing of the Cutting knife through the adhesive bead 30 at the start of the separation process.
  • first cutting edge 44 is when working in the main working direction 50, in which the cutting knife 16 on the oscillation drive 12 is pulled to a certain extent through the adhesive bead 30, advantageous the so-called scythe effect is used, according to which Cutting knife 16 gradually in during the oscillatory movement cuts the adhesive bead 30 into it, thereby making it quiet to work with is enabled and the susceptibility to breakage is also reduced becomes.
  • This effect is additionally supported by that the distance a of the first cutting edge 44 to the center 48 of the receiving opening 18 from the transition 38 in the direction gradually enlarged toward the outer end 40.
  • the second cutting edge 46 with respect to the receiving opening 18 is convexly curved, is also a centering possible on the material to be cut if the cutting edge is opposite the main working direction 50 in the opposite direction as e.g. at the start of the removal process or can occur when working in a corner area.
  • the cutting edge 44 centered on the adhesive bead 30 due to its concave shape.
  • FIG. 3 is a slightly compared to the embodiment of FIG. 2nd modified form of a cutting knife according to the invention shown and designated overall by the number 16a.
  • FIG. 3 is a slightly compared to the embodiment of FIG. 2nd modified form of a cutting knife according to the invention shown and designated overall by the number 16a.
  • Corresponding reference numerals are used for parts.
  • the cutting part 34a has the fastening opening 18 on it facing side a first also concavely curved Cut open 44a and has on its opposite side a straight cutting edge 46a.
  • a tip 42a is again formed at its outer end 40a, which are now formed by two outer edge sections 41, 45 which is from the first cutting edge 44a or from the second cutting edge 46a converge in the tip 42a.
  • FIG. 4 Another modification of a cutting knife according to the invention is shown in Fig. 4 and designated overall by the number 16b.
  • the cutting part 34b has the fastening opening 18 on it facing side a straight cutting edge 44b and has a second cutting edge on its opposite side 46b, which is convexly curved with respect to the receiving opening 18 is.
  • At its outer end 40b is in contrast to the designs according to fig. 2 and 3 not a point but a rounded one Outer edge formed.
  • Direction 50b designed according to the main working direction 50 2 and 3 is the opposite.
  • the cutting knife 16b is not pulled through the material to be cut, but rather with the help of the oscillation drive 12 pressed through the adhesive bead 30.
  • the cutting knife is guided in all versions while working by the intermediate web 36, 36a, 36b is guided along the body flange 28. In this way can damage the window in most cases can be prevented during the removal process, provided that for example in the case of a pane that has just become leaky must be re-glued.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Adhesives Or Adhesive Processes (AREA)
EP99116750A 1998-11-17 1999-08-27 Lame de coupe pour des bourrelets adhésifs aux vitres des véhicules automobiles Expired - Lifetime EP1002629B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19852810 1998-11-17
DE19852810A DE19852810A1 (de) 1998-11-17 1998-11-17 Schneidmesser zum Durchtrennen von Klebewulsten an Fensterscheiben von Fahrzeugen

Publications (2)

Publication Number Publication Date
EP1002629A1 true EP1002629A1 (fr) 2000-05-24
EP1002629B1 EP1002629B1 (fr) 2002-05-15

Family

ID=7887968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116750A Expired - Lifetime EP1002629B1 (fr) 1998-11-17 1999-08-27 Lame de coupe pour des bourrelets adhésifs aux vitres des véhicules automobiles

Country Status (5)

Country Link
US (1) US6434835B1 (fr)
EP (1) EP1002629B1 (fr)
AT (1) ATE217566T1 (fr)
DE (2) DE19852810A1 (fr)
ES (1) ES2175883T3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20003499U1 (de) * 2000-02-25 2000-05-18 C. & E. Fein Gmbh & Co, 70176 Stuttgart Schneidmesser
DE10058894A1 (de) * 2000-11-23 2002-06-06 C & E Fein Gmbh & Co Kg Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle
US20060042099A1 (en) * 2004-08-30 2006-03-02 Diemert Eric D " Kwik kut ", high performance " blade "
US7874074B1 (en) 2006-04-06 2011-01-25 Rodriguez-Vega Jesus M Automobile windshield removal tool
DE202007018514U1 (de) 2007-05-30 2008-12-11 Hohbein, Uwe Vorrichtung zum Herausschneiden verklebter Scheiben
US20100186235A1 (en) * 2009-01-26 2010-07-29 Eric Davis Schwartz Portable battery operated pipe cutter
US8925931B2 (en) 2010-04-29 2015-01-06 Black & Decker Inc. Oscillating tool
US9186770B2 (en) 2010-04-29 2015-11-17 Black & Decker Inc. Oscillating tool attachment feature
US9073195B2 (en) 2010-04-29 2015-07-07 Black & Decker Inc. Universal accessory for oscillating power tool
US9149923B2 (en) 2010-11-09 2015-10-06 Black & Decker Inc. Oscillating tools and accessories
DE102011075692A1 (de) * 2011-05-12 2012-11-15 Robert Bosch Gmbh Schleif- bzw. Schneidwerkzeug für eine Werkzeugmaschine mit Oszillationsantrieb
USD832666S1 (en) 2012-07-16 2018-11-06 Black & Decker Inc. Oscillating saw blade
US20140137416A1 (en) * 2012-11-22 2014-05-22 Horvath Iosif Robert Cutting Blade Cutting Device
US9555554B2 (en) 2013-05-06 2017-01-31 Milwaukee Electric Tool Corporation Oscillating multi-tool system
US10265778B2 (en) 2017-01-16 2019-04-23 Black & Decker Inc. Accessories for oscillating power tools
USD814900S1 (en) 2017-01-16 2018-04-10 Black & Decker Inc. Blade for oscillating power tools
DE102019212706A1 (de) * 2019-08-23 2021-02-25 Robert Bosch Gmbh Sägewerkzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324676C1 (de) 1983-02-12 1984-10-11 Daimler-Benz Ag, 7000 Stuttgart Schneidwerkzeug zum Ausbau von eingeklebten Fensterscheiben
EP0141035A1 (fr) * 1983-08-31 1985-05-15 C. & E. FEIN GmbH & Co. Outil pour tailler
EP0369390A2 (fr) 1988-11-18 1990-05-23 C. & E. FEIN GMBH & CO. Couteau à partie coupante droite

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681502A (en) * 1953-10-09 1954-06-22 Orman L Black Safety box opener
US3448517A (en) * 1965-08-30 1969-06-10 Harry R Cothery Windshield removing tool
US3924327A (en) * 1974-09-25 1975-12-09 Jerry Clyde Edwards Powered windshield track cutter
US4080734A (en) * 1976-09-24 1978-03-28 Barbour Deryle R Method and apparatus for removing a vehicle windshield
US4215475A (en) * 1978-06-12 1980-08-05 Gould Kenneth D Oscillating cut-out tool
US4300287A (en) * 1980-09-08 1981-11-17 Tibbs Larry T Cutting tool
US4432138A (en) * 1982-06-04 1984-02-21 Piccolo Jr Albert V Cutting blade
FR2539188B1 (fr) * 1983-01-11 1986-02-28 Tulcea Sa Dispositif de percussion
DE8423004U1 (de) * 1984-08-02 1984-10-31 C. & E. Fein Gmbh & Co, 7000 Stuttgart Schneidmesser zum durchtrennen der klebeschicht einer angeklebten scheibe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324676C1 (de) 1983-02-12 1984-10-11 Daimler-Benz Ag, 7000 Stuttgart Schneidwerkzeug zum Ausbau von eingeklebten Fensterscheiben
EP0141035A1 (fr) * 1983-08-31 1985-05-15 C. & E. FEIN GmbH & Co. Outil pour tailler
EP0141035B1 (fr) 1983-08-31 1987-03-11 C. & E. FEIN GmbH & Co. Outil pour tailler
EP0369390A2 (fr) 1988-11-18 1990-05-23 C. & E. FEIN GMBH & CO. Couteau à partie coupante droite

Also Published As

Publication number Publication date
ATE217566T1 (de) 2002-06-15
US20020023357A1 (en) 2002-02-28
EP1002629B1 (fr) 2002-05-15
US6434835B1 (en) 2002-08-20
DE19852810A1 (de) 2000-05-18
ES2175883T3 (es) 2002-11-16
DE59901438D1 (de) 2002-06-20

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