WO2002000400A2 - Lame - Google Patents

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Info

Publication number
WO2002000400A2
WO2002000400A2 PCT/DE2001/002430 DE0102430W WO0200400A2 WO 2002000400 A2 WO2002000400 A2 WO 2002000400A2 DE 0102430 W DE0102430 W DE 0102430W WO 0200400 A2 WO0200400 A2 WO 0200400A2
Authority
WO
WIPO (PCT)
Prior art keywords
plate
teeth
edge
knife according
wide
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.)
Ceased
Application number
PCT/DE2001/002430
Other languages
German (de)
English (en)
Other versions
WO2002000400A3 (fr
Inventor
Boris Boguslavskij
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.)
KAN-TECH GmbH
KAN Tech GmbH
Original Assignee
KAN-TECH GmbH
KAN Tech GmbH
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
Priority claimed from RU2000116790A external-priority patent/RU2180285C1/ru
Application filed by KAN-TECH GmbH, KAN Tech GmbH filed Critical KAN-TECH GmbH
Priority to AU2001277471A priority Critical patent/AU2001277471A1/en
Priority to DE50105072T priority patent/DE50105072D1/de
Priority to AT01955225T priority patent/ATE286800T1/de
Priority to EP01955225A priority patent/EP1296806B1/fr
Publication of WO2002000400A2 publication Critical patent/WO2002000400A2/fr
Publication of WO2002000400A3 publication Critical patent/WO2002000400A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B9/00—Blades for hand knives
    • B26B9/02—Blades for hand knives characterised by the shape of the cutting edge, e.g. wavy

Definitions

  • the invention belongs to the construction of knives, suitable for cutting various solid, viscous and resistant materials, and can be used in the art for cutting various synthetic materials, rubber, plastics, adhesive bonds, etc., in the food industry for cutting frozen or solid products, used in construction when cutting synthetic parts or cover layers.
  • the knife suitable for cutting the polymeric materials, which runs from a plate, a cutting edge, at least on one edge of the plate Teeth, executed on the cutting edge and whose opposite surfaces are connected to the opposite broad surfaces of the plate, exist (1).
  • the cutting edge is wave-shaped and the wavy teeth are alternately bent with respect to the longitudinal direction of the plate.
  • a limitation of this construction is the increase in the effort that should be added to cut a resistant material, because the teeth are bent like a saw in the transverse direction.
  • the shape of the outer surface of teeth does not allow solid material to be cut off effectively because the undulating, pointed shape of teeth limits the effective cutting into the solid material.
  • the cutting edge and the friction surfaces of the hand tool are normally lubricated with oil to increase the speed of the cutting and to reduce the effort.
  • the oil flows through the lubrication on the plate surface, flows from teeth and from the cutting edge after a few longitudinal and transverse movements of the knife blade, which reduces the effectiveness of the oil lubrication.
  • the knife suitable for cutting frozen products which are made from the plate, the cutting edge, carried out at least on one edge of the plate, the teeth, carried out on the cutting edge, and their opposite surfaces are connected to the opposite broad surfaces of the plate , with the teeth provided with the gaps that are on the teeth on the side of the wide plate surface (4).
  • the teeth of this knife are designed as an isosceles trapezoid with the straightness tip, and the gaps are connected to the cutting edge at the base of the trapezoid to form small serrations on the straightness tip of the large tooth.
  • this construction enables the cutting of solid materials, such as frozen products, which is achieved by effectively loosening the materials and eliminating the sticking of particles of the materials to be cut off on the cutting edge.
  • the teeth are also bent alternately with respect to one another transversely with respect to the longitudinal direction of the plate, as a result of which the effort in cutting increases.
  • the speed of cutting is reduced and the effort required when cutting viscous materials, such as rubber, synthetic polymer plastics, synthetic adhesive bonds, various polymer building materials with relatively low strength and high viscosity; it is caused by the absence of the sharp cutting angle of the large tooth at its tip.
  • the cutting surface of this tooth is basically only through tapered fillets between trapezoidal teeth and tapered cutting edge formed at the base of the trapezoid between the gaps. This makes the effective use of the knife for cutting viscous materials impossible.
  • the oil on the plate surface will flow away because the surfaces that could prevent the oil from flowing out of the grooves between the teeth and out of the gaps are missing.
  • the oil will also flow from the gaps that are freely connected to the base of the trapezoid of the teeth onto the fabric to be processed, because the gaps are directly connected to the straightness tip of the tooth.
  • the most economical technical solution is the knife, consisting of a plate, a cutting edge, executed at least on one edge of the plate by the formation of the edge bevel of the wide plate surface, the teeth, carried out on the cutting edge with the formation of the tips for each tooth and their opposite surfaces are connected to the opposite wide surfaces of the plate (5).
  • the tips of the teeth and the cutting edge are formed on their forehead from the U-shaped interconnected fillets of the plate edge, and the side surfaces of the teeth are formed as U-shaped recesses on the edge bevel of the wide plate surface.
  • the tips of the teeth are spaced differently from the longitudinal axis of the plate, as a result of which the teeth are gradually cut into the depth of the processed material.
  • the object to be achieved by the invention is to expand the range of materials to be processed by cutting, which differ from one another both in terms of strength, density and viscosity, without any significant change in
  • Construction can be achieved is increasing the speed of cutting, reducing the effort required for cutting, ensuring effective lubrication.
  • the cutting edge at least on one edge of the plate by the formation of the edge bevel of the wide plate surface
  • the teeth carried out on the cutting edge with the formation of the tips for each tooth and whose opposite surfaces are connected to the opposite broad surfaces of the plate
  • the teeth according to the invention with the gaps provided, which are at some distance from the tips of the teeth on the edge bevel of the wide plate surface.
  • the gaps can also be called pockets on one of the
  • Cutting surfaces are formed, preferably do not extend to a tip or edge of a tooth.
  • the boundaries of the gap on the edge bevel of the wide plate surface are made V-shaped; the longitudinal axis of the gap lies along the length of the longitudinal axis of the tooth, and the angle of the V-shaped boundary of the gap is directed towards the tip of the tooth.
  • the gaps are made U-shaped in their cross section
  • the tips of the teeth and the side surfaces of the teeth are designed as U-shaped recesses on the edge bevel of the wide plate surface;
  • the wide plate surfaces are executed in a non-linear manner with the radius centers of curvature lying on the opposite and parallel axes with respect to the longitudinal axis of the plate the aforementioned bevel (where the gaps are) of the wide plate surface must be formed by one of the non-linear plate surfaces;
  • the cutting edge and the teeth are carried out on two edges of the plate; the teeth of one edge of the plate are to be shifted with respect to the teeth of the other edge of the plate, the longitudinal axes of the teeth of one plate edge being at the same distance between the longitudinal axes of the other plate edge;
  • the cutting edge is carried out by the formation of the edge bevel of the two wide plate surfaces
  • the gaps should connect to each other in a common recess lying along the length of the cutting edge, and the boundary of the common recess should be made in a serpentine manner.
  • the tips of the teeth and the cutting edge on the part of their forehead are formed from the W-shaped interconnected fillets of the plate edge;
  • the tips of the teeth and their side surfaces through two oblique V-shaped recesses, which are located on the edge bevel of the wide plate surface between the teeth are located and narrow in the direction of the longitudinal axis of the plate;
  • the teeth are U-shaped in their cross section, their longitudinal axis should be orthogonal to the longitudinal axis of the plate; the teeth should protrude from the surface of the cutting edge and their side surfaces should widen in the direction of the longitudinal axis of the plate;
  • the wide plate surfaces are executed in a non-linear manner with the radius centers of curvature lying on the opposite and parallel axes with respect to the longitudinal axis of the plate, the aforementioned edge beveling (on which the common recess is formed) of the wide plate surface by one of the non-linear ones
  • Plate surfaces are formed, and the tip of each tooth is shifted upward with respect to the surface of the cutting edge and is at the angles in the range from 2 to 7 with respect to the plane of symmetry of the non-linear wide plate surfaces.
  • the cutting edge and the teeth are carried out on two edges of the plate; the teeth of one edge of the plate are shifted with respect to the teeth of the other edge of the plate, the longitudinal axes of the teeth of one plate edge being at the same distance between the longitudinal axes of the other plate edge.
  • Fig. 1 shows schematically the registered construction for the purpose of explaining the principle of it
  • Fig. 2 the same as that of Fig 1, the cross section in the region of the gap;
  • Fig. 3 the enlarged part of the knife plate with bevelled on both sides with the V-shaped
  • FIG. 7 shows schematically the registered construction in order to explain the principle of it
  • Fig. 12 the enlarged part of the knife plate with bevel on both sides with the W-shaped cutting edge, formed by two oblique V-shaped recesses; 13 - the section AA on FIG. 12, FIG. 14 - the section BB on FIG. 12, FIG. 15 - the section CC on FIG. 12 Fig. 16 - the cross section of the knife plate when cutting the material and when there is lubrication on the tooth surface;
  • Fig. 17 the cross section of the knife plate when cutting the fabric and when there is lubrication on the surface in the gap;
  • the knife (Fig. 1, 2) is formed from the plate 1.
  • the cutting edge 2 is carried out at least on one edge of the plate 1 by forming the edge bevel 3 of the wide surface 4 of the plate 1.
  • the teeth 5 are carried out on the cutting edge 2 with the formation of the tips 6 for each tooth 5.
  • the opposite surfaces of the teeth 5 are connected to the opposite wide surfaces 4 of the plate 1.
  • the teeth 5 are provided with the gaps 7.
  • the gaps 7 are at a distance 1 at the tips 6 of the teeth 5.
  • the gaps 7 are at the edge bevel 3 of the wide surface 4 of the plate 1.
  • the gaps 7 are suitable for the effective lubrication which is introduced into the surfaces of the teeth 5 which are connected to the wide surfaces 4 of the plate 1. Due to the moistening and the surface tension, formed in the gaps 7, the oil is effectively stopped on the bevel 3 and on the surfaces of the teeth 5.
  • the bevel 3 serves as an additional obstacle with regard to the flow of the lubricant onto the wide surface 4 of the plate 1. Because the gaps 7 at the tips 6 of the teeth 5 lie at the distance 1, their cutting shape is not damaged; the oil is introduced into the tip 6 of the tooth 5 in sufficient quantity and the main cutting edges of the teeth 5 are effectively lubricated.
  • the distance 1 is selected constructively, and the teeth 5 are in one or otherwise ground according to the specific shape of the tooth 5 resulting from the construction.
  • the boundaries 8 of the gap 7 at the bevel 3 of the edge of the wide surface 4 of the plate 1 are made V-shaped.
  • the longitudinal axis of the gap 7 lies along the length of the longitudinal axis of the tooth 5.
  • the angle of the V-shaped boundary 8 of the gap 7 is directed towards the tip 6 of the tooth 5.
  • the entire surface of the tooth 5 is used effectively; the area of the friction surface decreases during the work of the knife and the total lubricated surface increases.
  • the gaps 7 are constructed in a U-shaped manner, which simplifies the process of carrying them out and the lubrication in the gaps 7 is stopped during the longitudinal movements of the plate 1 during the work of the knife.
  • the tips 6 of the teeth 5 and the cutting edge 2 on the part of their forehead are formed from the U-shaped grooves 9 of the edge of the plate 1 which are connected to one another, thereby increasing the effectiveness of the cutting edge 2.
  • the tips 6 of the teeth 5 and their side surface 10 are formed in the shape of the U-shaped recesses 11 which are located on the edge bevel 3 of the wide surface 4 of the plate 1, as a result of which the cutting side surfaces of the teeth 5 can be formed.
  • the wide surfaces 4 of the plate 1 are non-linear with the radius centers of curvature lying on the opposite and parallel axes with respect to the longitudinal axis of the plate 1.
  • the edge bevel 3 of the wide surface 4 of the plate, on which the gaps are formed, is formed by one of the non-straight surfaces of the plate 1.
  • the cutting edge 2 and the teeth 5 are designed on two edges of the plate 1.
  • the teeth 5 of one edge of the plate 1 are shifted with respect to the teeth 5 of the other edge of the plate 1.
  • the longitudinal axis of the teeth 5 of one edge of the plate 1 are at the same distance between the longitudinal axes of the teeth 5 of the other edge of the plate 1.
  • the bevel 3 can be formed on both sides of the wide surfaces 4 of the plate 1 for the purpose of forming the cutting edge 2 (FIGS. 4, 5, 7, 8).
  • the gaps 7 at the tips 6 of the teeth 5 on the edge bevels 3 of the two wide surfaces 4 of the plate 1 can be carried out for the purpose of oil lubrication of the two surfaces.
  • a smaller depth of the gaps 7 is chosen in order to ensure the required strength properties of the teeth 5.
  • the tooth 5 can be formed on the bevels 3 of the two wide surfaces 4 of the plate 1.
  • the surfaces of the teeth 5 are formed only on one side of the plate 1.
  • the edge 2 of the knife with non-straight wide surfaces 4 of the plate 1 will sharpen itself during the rubbing of the material;
  • the knife can be sharpened easily on the part of the wide surface 4, which is free of the teeth 5, without having changed the shape of the teeth 5;
  • the gaps 7 can be formed deep enough, thereby improving the quality of the lubrication, reducing the amount of lubricant and increasing the period of use of the Knife without relubrication; fourthly, the effort required when cutting dense and viscous materials is reduced.
  • the gaps 7 can be connected to one another in a common recess (FIGS. 10, 11) which is located along the cutting edge.
  • the boundary of the common recess is made in a serpentine fashion.
  • the lubricant is stopped on the teeth 5 by the serpentine shape of the common recess.
  • the bottom of the snake-like recess is made uneven in order to additionally stop the calcium-saponified or liquid lubricants on the cutting edge 2.
  • the tips 6 of the teeth 5 and their side surfaces can be formed by two oblique V-shaped recesses 14 which are located on the edge bevel 3 of the wide surface 4 of the plate 1 between the teeth 5 and which are in the direction of the longitudinal axis of the plate 1 narrow.
  • the teeth 5 are U-shaped in their cross section (FIG. 15), their longitudinal axis should be orthogonal to the longitudinal axis of the plate 1; the teeth should protrude from the surface of the cutting edge 2 and their side surfaces should widen in the direction of the longitudinal axis of the plate 1 (FIG. 12).
  • the limit is common recess (formed from the gaps 7) in a serpentine manner, and in this case the bottom of the common recess is specifically uneven, formed from the enlarged part of the base of the tooth 5 and the narrowed part of two oblique V-shaped recesses 14.
  • the wide surfaces 4 of the plate 1 can - as is the case with the separated gaps 7 (Fig. 3-8) - also non-linear with the radius centers lying on the opposite and parallel axes with respect to the longitudinal axis of the plate the curvature are carried out (Fig. 13, 14).
  • Said edge bevel 3 (on which the common recess is formed from the gaps 7) of the wide surface 4 of the plate 1 is formed by one of the non-linear surfaces of the plate 1.
  • each tooth 5 (as well as each small prong 13) is shifted upwards with respect to the surface of the cutting edge 2 and lies at the angles in the range from 2 to 7 with respect to the plane of symmetry of the non-linear wide surfaces 4 of the plate 1.
  • the cutting edge 2 and the teeth 5 can be carried out on two edges of the plate 1 (FIG. 12).
  • the teeth 5 of one edge of the plate 1 are shifted with respect to the teeth 5 of the other edge of the plate 1.
  • the longitudinal axes of the teeth 5 of one edge of the plate 1 lie at the same distance between the longitudinal axes of the teeth 5 of the other edge of the plate 1.
  • Plate 1 returns to the same gaps where it used to be. The effort of the lubricant is reduced and the lubrication will work for a long time.
  • the teeth 5 with the gaps 7 with the e.g. Lubricated margarine or food oil.
  • the cutting process is the same as the above.
  • the lubrication cannot be applied, because when slicing the meat, for example, the juice secretes, which moistens the cutting edge 2 and the teeth 5.
  • the juice flows into the gaps 7 or into the snake-like common recess, moistens the bevel 3 and effectively moistens all work surfaces during the overflow between the gaps 7.
  • the registered knife can be inexpensive industrially for the cutting of various synthetic materials, polymer materials, rubber, plastics, various adhesive connections, e.g. in the interlinking of the car glass to the body, in the food industry for cutting frozen or solid products, in the building industry for cutting synthetic parts or Top layers, in all technical areas and in living conditions for cutting solid, resistant and viscous materials.
  • the materials or coating processes that can be used for such coatings are: Teflon, spread, sprayed on or applied by dipping; Teflon, applied in the Temper-fIon ® process; other coatings known from racing engine technology for metallic components that are exposed to friction; MoS coating; Graphite coating, coating with glassy carbon (amorphous carbon), chromating,

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Surgical Instruments (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne une lame servant à couper différentes matières solides, visqueuses et résistantes. Cette lame est constituée d'une plaque sur laquelle le tranchant est réalisé par façonnage du biseau de la face large de la plaque. Les dents présentent des pointes au niveau desquelles des creux sont situés à une certaine distance de ces dernières, sur le biseau de la face large de la plaque.
PCT/DE2001/002430 2000-06-29 2001-06-29 Lame Ceased WO2002000400A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2001277471A AU2001277471A1 (en) 2000-06-29 2001-06-29 Blade
DE50105072T DE50105072D1 (de) 2000-06-29 2001-06-29 Messer
AT01955225T ATE286800T1 (de) 2000-06-29 2001-06-29 Messer
EP01955225A EP1296806B1 (fr) 2000-06-29 2001-06-29 Lame

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2000116790A RU2180285C1 (ru) 2000-06-29 2000-06-29 Нож
DERU2000116790 2000-06-29
DE10112923.8 2001-03-13
DE10112923 2001-03-13

Publications (2)

Publication Number Publication Date
WO2002000400A2 true WO2002000400A2 (fr) 2002-01-03
WO2002000400A3 WO2002000400A3 (fr) 2002-07-18

Family

ID=26008807

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/002430 Ceased WO2002000400A2 (fr) 2000-06-29 2001-06-29 Lame

Country Status (5)

Country Link
EP (1) EP1296806B1 (fr)
AT (1) ATE286800T1 (fr)
AU (1) AU2001277471A1 (fr)
DE (1) DE50105072D1 (fr)
WO (1) WO2002000400A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279065A (en) 1964-05-21 1966-10-18 Charles F Senkewitz Knife
DE3244550A1 (de) 1981-12-12 1983-06-23 Wilkinson Sword Ltd., High Wycombe, Buckinghamshire Messer
WO1996032231A1 (fr) 1995-04-13 1996-10-17 Ets Andre Verdier S.A. Microdenture pour lame d'outil tranchant, couteau notamment
US5572794A (en) 1995-09-20 1996-11-12 Kalbern; Cindy Double-edged knife
EP0760733A1 (fr) 1994-02-22 1997-03-12 Rockwool International A/S Procede servant a decouper des materiaux isolants et lame servant a realiser ce procede

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574937A (en) * 1968-10-01 1971-04-13 Goodyear Tire & Rubber Knife for cutting rubber and the like
FR2625702A1 (fr) * 1988-01-12 1989-07-13 Lectra Systemes Sa Dispositif de decoupe de matelas de materiaux fusibles en feuilles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279065A (en) 1964-05-21 1966-10-18 Charles F Senkewitz Knife
DE3244550A1 (de) 1981-12-12 1983-06-23 Wilkinson Sword Ltd., High Wycombe, Buckinghamshire Messer
EP0760733A1 (fr) 1994-02-22 1997-03-12 Rockwool International A/S Procede servant a decouper des materiaux isolants et lame servant a realiser ce procede
WO1996032231A1 (fr) 1995-04-13 1996-10-17 Ets Andre Verdier S.A. Microdenture pour lame d'outil tranchant, couteau notamment
US5572794A (en) 1995-09-20 1996-11-12 Kalbern; Cindy Double-edged knife

Also Published As

Publication number Publication date
EP1296806A2 (fr) 2003-04-02
AU2001277471A1 (en) 2002-01-08
DE50105072D1 (de) 2005-02-17
WO2002000400A3 (fr) 2002-07-18
EP1296806B1 (fr) 2005-01-12
ATE286800T1 (de) 2005-01-15

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