CH368906A - Knife with coarse grinding - Google Patents

Knife with coarse grinding

Info

Publication number
CH368906A
CH368906A CH6621958A CH6621958A CH368906A CH 368906 A CH368906 A CH 368906A CH 6621958 A CH6621958 A CH 6621958A CH 6621958 A CH6621958 A CH 6621958A CH 368906 A CH368906 A CH 368906A
Authority
CH
Switzerland
Prior art keywords
knife
grinds
knife blade
coarse
adjacent
Prior art date
Application number
CH6621958A
Other languages
German (de)
Inventor
Joest Richard
Original Assignee
Omega Werk Hartmann & 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 Omega Werk Hartmann & Co filed Critical Omega Werk Hartmann & Co
Publication of CH368906A publication Critical patent/CH368906A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B9/00Blades for hand knives
    • B26B9/02Blades for hand knives characterised by the shape of the cutting edge, e.g. wavy

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Knives (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

  

  Messer     mit        Grobeinschliffen       Die Erfindung betrifft ein Messer mit an der  einen Breitseite der Messerklinge     nebeneinanderhe-          genden        Grobeinschliffen,    die bogenförmige     Ausneh-          mungen    der     Schneidkante    bilden, wobei benachbarte  Bogen Spitzen bilden.

   Derartige Messer sind be  kannt und werden zum Schneiden von weichem Gut  bevorzugt, da die Messerklinge infolge der Verzah  nung ihrer     Schneidkante    leichter in das     Schneidgut          eindringt    als eine Messerklinge mit geradliniger       Schneidkante.     



  Die Erfindung hat sich nun die Aufgabe ge  stellt, die Schneide derartiger Messer weiter zu ver  bessern, und zwar erfolgt dies gemäss der Erfindung  dadurch, dass in den     Grobeinschliffen    der Messer  klinge     nebeneinanderliegende,    putenartige, in Zähne  auslaufende     Feineinschliffe    erzeugt sind.  



  Es ist zwar bereits ein Messer mit einer groben       Rundbogenverzahnung    bekannt, das     zusätzlich    an  den Rundbogen eine Feinverzahnung aufweist. Bei  dem     vorbekannten    Messer handelt es sich jedoch     sm     Gegensatz zum erfindungsgemässen Messer um er  habene Rundbogen, und die Orte, in denen die  Rundbogen zusammenstossen, stellen     Ausnehmungen     in der Klinge dar. Bei einem     derartigen    Messer  schleift sich jedoch, insbesondere bei einem Berufs  messer, dessen Schneide in kurzen Abständen von  Hand nachgeschliffen wird, die Feinverzahnung vor  zeitig ab.

   Im Gegensatz hierzu bleibt bei dem erfin  dungsgemässen Messer auch bei maschinellem Nach  schleifen der Messerklinge die Feinverzahnung er-    halten, die sich sogar während des Gebrauchs des  Messers     infolge        besdseitigem    Abnutzen der Messer  klinge ständig selbsttätig nachschleift.  



  In der Zeichnung ist die Erfindung beispiels  weise an einem Messerveranschaulicht. Es zeigen:       Fig.    1 das Messer in Draufsicht auf eine Breit  seite,       Fig.2    die teilweise gezeichnete     Messerklinge    in  vergrössertem Massstab in Ansicht,       Fig.    3 die Messerklinge gegenüber     Fig.    2 in Rück  ansicht und       Fig.4    die Messerklinge in vergrössertem Mass  stab im Schnitt nach der Linie     a-a    der     Fig.    1.  



  Das Messer besteht aus dem     Griff    1 und der       Messerklinge    2. Diese weist an der     einen    Breitseite       nebeneinanderliegende,    verhältnismässig grobe     Ein-          schliffe    3 auf, die bogenförmige     Ausnehmungen    der       Schneidkante    bilden,     wobei    einander benachbarte  Bogen Spitzen 4 bilden. In den     Einschliffen    3  sind     nebeneinanderliegende,    putenartige, in Zähne  auslaufende     Feinesnschl.iffe    5 erzeugt.



  Knife with coarse grinds The invention relates to a knife with coarse grinds which are adjacent to one another on one broad side of the knife blade and which form arcuate recesses of the cutting edge, with adjacent arcs forming points.

   Such knives are known and are preferred for cutting soft material because the knife blade penetrates the material to be cut more easily than a knife blade with a straight cutting edge due to the toothing of its cutting edge.



  The invention has the task of further improving the cutting edge of such knives, and this is done according to the invention in that in the coarse grinds of the knife blade adjacent, turkey-like fine grinds tapering into teeth are produced.



  A knife with a coarse arched tooth system is already known, which additionally has fine toothing on the arched arch. In the previously known knife, however, it is sm in contrast to the inventive knife to he habene round arches, and the places where the round arches collide represent recesses in the blade. With such a knife, however, grinds, especially with a professional knife, its If the cutting edge is reground by hand at short intervals, the fine toothing is cut ahead of time.

   In contrast to this, with the knife according to the invention, the fine toothing is retained even when the knife blade is mechanically re-sharpened.



  In the drawing, the invention is illustrated, for example, on a knife. 1 shows the knife in a plan view of a broad side, FIG. 2 shows the knife blade, which is partially drawn, on an enlarged scale, FIG. 3 shows the knife blade compared to FIG. 2 in a rear view and FIG. 4 shows the knife blade on an enlarged scale in section along the line aa in FIG. 1.



  The knife consists of the handle 1 and the knife blade 2. On one broad side, the knife has relatively coarse incisions 3 lying next to one another, which form arcuate recesses in the cutting edge, whereby adjacent arc tips 4 form. In the cuts 3 adjacent, turkey-like fine cuts 5 tapering into teeth are produced.

 

Claims (1)

PATENTANSPRUCH Messer mit an der einen Breitseite der Messer klinge nebeneinanderliegenden Grobeinschliffen, die bogenförmige Ausnehmungen der Schnesdkante bil den, wobei benachbarte Bogen Spitzen bilden, ge- kennzeichnet durch in den Grobeinschliffen (3) der Messerklinge (2) erzeugte, nebeneinanderliegende, putenartige, in Zähne auslaufende Feineinschliffe (5). PATENT CLAIM Knives with coarse grinds lying next to one another on one broad side of the knife blade, which form the arc-shaped recesses of the cutting edge, with adjacent arches forming tips, characterized by adjacent, turkey-like teeth in teeth produced in the coarse grinds (3) of the knife blade (2) running out fine grinds (5).
CH6621958A 1958-01-21 1958-11-15 Knife with coarse grinding CH368906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO5971A DE1052860B (en) 1958-01-21 1958-01-21 Knives with coarse and fine grinds in the knife blade

Publications (1)

Publication Number Publication Date
CH368906A true CH368906A (en) 1963-04-30

Family

ID=7350738

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6621958A CH368906A (en) 1958-01-21 1958-11-15 Knife with coarse grinding

Country Status (2)

Country Link
CH (1) CH368906A (en)
DE (1) DE1052860B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518004A1 (en) * 1981-12-12 1983-06-17 Wilkinson Sword Ltd IMPROVEMENTS IN KNIVES
EP0274220A2 (en) * 1987-01-05 1988-07-13 Hiram Wild Limited Serrated-edge knives

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749561C2 (en) * 1997-11-10 2000-06-21 Axel Balke Band or gate knife
US10022880B2 (en) * 2012-12-03 2018-07-17 Gadsden Coffee Company, Inc. Disposable plastic knives with serrated cutting edge
CN103770445A (en) * 2013-12-25 2014-05-07 陕西北人印刷机械有限责任公司 Cutting blade on printing machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964031C (en) * 1955-01-25 1957-05-16 Franz Balke Knife with fine-toothed cutting edge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518004A1 (en) * 1981-12-12 1983-06-17 Wilkinson Sword Ltd IMPROVEMENTS IN KNIVES
EP0274220A2 (en) * 1987-01-05 1988-07-13 Hiram Wild Limited Serrated-edge knives
EP0274220A3 (en) * 1987-01-05 1989-09-06 Hiram Wild Limited Serrated-edge knives

Also Published As

Publication number Publication date
DE1052860B (en) 1959-03-12

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