EP0827844A1 - Taille-crayon pour mine douce de crayon - Google Patents

Taille-crayon pour mine douce de crayon Download PDF

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Publication number
EP0827844A1
EP0827844A1 EP97106956A EP97106956A EP0827844A1 EP 0827844 A1 EP0827844 A1 EP 0827844A1 EP 97106956 A EP97106956 A EP 97106956A EP 97106956 A EP97106956 A EP 97106956A EP 0827844 A1 EP0827844 A1 EP 0827844A1
Authority
EP
European Patent Office
Prior art keywords
sharpener
housing
tip
housing projection
rib
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
EP97106956A
Other languages
German (de)
English (en)
Other versions
EP0827844B1 (fr
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.)
Kum & Co KG Kunststoff- und Metallwarenfabrik GmbH
Original Assignee
Kum & Co KG Kunststoff- und Metallwarenfabrik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7804962&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0827844(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kum & Co KG Kunststoff- und Metallwarenfabrik GmbH filed Critical Kum & Co KG Kunststoff- und Metallwarenfabrik GmbH
Priority to DE29723552U priority Critical patent/DE29723552U1/de
Publication of EP0827844A1 publication Critical patent/EP0827844A1/fr
Application granted granted Critical
Publication of EP0827844B1 publication Critical patent/EP0827844B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00—Sharpeners for pencils or leads
    • B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades

Definitions

  • the invention relates to a sharpener for soft lead pencils, in particular for cosmetic pencils (DE 38 24 883 C2).
  • Such a sharpener contains one that is usually molded in one piece from plastic
  • Pointed housing has a guide channel that narrows conically in the direction of insertion for the front end of the pen.
  • This freedom is with you Sharpener of the type mentioned above open at the top and bottom.
  • This freedom is in the known sharpener to the mine tip through a web-like facade knife delimited with an arched edge.
  • a triangular cross-sectional shape this web should be in common with the up and down open training of said free space, a real cutting of the mine enable them to be shaped and avoid scraping.
  • the freedom prevents the cutting chips of the mine from being affected their problematic, soft consistency in the event of a jam for smearing would tend.
  • DE-U-80 07 479 is a pointed box for the truncated cone Pointing the lower shaft end of candles is known to the candle foot too insert into smaller-sized receiving openings of candle holders can.
  • the conical guide channel for the candle foot is in with this jar Slotted lengthways.
  • One of the two flanks is like a scraper knife equipped with a wedge-shaped cross section.
  • the chisel tip of the The cross-sectional shape is essentially tangential to the guide cone into the jar.
  • the worn candle mass slides on the along the slot-side flank and falls without further guidance on the outside the channel wall into a receptacle.
  • the resulting shape on Candlestick takes place in the circumferential area of the candle shaft.
  • the invention has for its object a sharpener of the aforementioned Art to improve in that even when scraping the tip of the mine through the barrel knife and without a triangular triangular Cross-sectional shape of a cutting edge also designed web-like one unproblematic chip removal is guaranteed. This task is by claim 1 solved.
  • the wedge-like shape of the tangential to the circumference of the mine tip effective scraper rib with a wedge angle of about a maximum of 45 ° and an effective rake angle of the shaping edge of at least 45 ° causes the scraped or lifted mine mass as unbroken in itself Chip initially in an approximately tangential direction with only a slight deflection is lifted from the surface of the mine and by the in said Rake angle located rake face experiences only a slight deflection, which, however already at a short distance from the scraping edge to lift the chip leads from the rake face of the scraper rib.
  • the chip keeps its inner connection for example in the manner of a lamella or shaving chip.
  • the sharpener consists essentially of the sharpener housing 1 and one therein 2 in the direction of insertion conically narrowing guide channel for the front end of pin 3. On the sharpener housing there is first a tangent to the guide channel (not shown in more detail) employed sharpener 4 available. Since it is here is primarily about the shaping of the mine tip 5, are the arrangement of the sharp knife 4 no further details are devoted below.
  • a one-piece housing projection in the embodiment according to FIGS. 1-3 7 substantially radially inwards.
  • the housing projection 7 is used for Shape of the mine tip 5 in the manner of a template. He's wearing his Mine tip 5 facing flank 8 a narrow, approximately wedge-shaped in cross section and with the wedge tip 9 in to the circumference of the mine tip 5 essentially tangential effective direction 10 protruding scraper rib 11.
  • This has a Wedge angle 12 of approximately ⁇ 70 °, preferably of ⁇ 45 °.
  • This forms the Scraper rib 11 has a rake angle 13 of approximately 20 20 °, preferably ⁇ 45 °.
  • the surface 14 of the housing projection 7 which carries the scraper rib 11 is formed as chip former and / or chip guide of the flow chip 15.
  • the formation can as a trough radial to the pin axis 16 in the direction of the circumference of the sharpener housing 1 or in the insertion direction 17.
  • Of the Rotary arrow 17 indicates the direction of the pin 3.
  • the housing projection 7 projects in the axial direction against the direction of insertion 2 from the side of the housing head 18 ago the mine tip 5 counter.
  • the housing projection 7 is as a flat, sheet-like housing part bent in accordance with the mentioned recess.
  • the housing projection 7 here carries a steering rib 19 on its surface Forming of the flow chip 15.
  • the housing 1 can also carry a cleaning stick, in spite of the good laxative effect compared to the flow chip15 remove adhering scraping chips.

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  • Drawing Aids And Blackboards (AREA)
EP97106956A 1996-09-07 1997-04-26 Taille-crayon pour mine douce de crayon Expired - Lifetime EP0827844B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29723552U DE29723552U1 (de) 1996-09-07 1997-04-26 Spitzer, insbesondere für Weichminenstifte

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19636438A DE19636438A1 (de) 1996-09-07 1996-09-07 Spitzer insbesondere für Weichminenstifte
DE19636438 1996-09-07

Publications (2)

Publication Number Publication Date
EP0827844A1 true EP0827844A1 (fr) 1998-03-11
EP0827844B1 EP0827844B1 (fr) 1999-02-17

Family

ID=7804962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106956A Expired - Lifetime EP0827844B1 (fr) 1996-09-07 1997-04-26 Taille-crayon pour mine douce de crayon

Country Status (3)

Country Link
US (1) US5894669A (fr)
EP (1) EP0827844B1 (fr)
DE (2) DE19636438A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070601A1 (fr) 1999-07-23 2001-01-24 KUM Limited Taille-crayon pour crayon à mine tendre
CN106079988A (zh) * 2016-02-04 2016-11-09 宁海县金益文具有限公司 用于素描笔的削笔器

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6065514A (en) * 1998-02-27 2000-05-23 New; Mary A. Compact handheld battery-operated cosmetic pencil sharpener
DE19831903A1 (de) * 1998-07-16 2000-01-27 Moebius & Ruppert Spitzer für Weichminenstifte, insbesondere für Kosmetikstifte
DE19841730A1 (de) * 1998-09-12 2000-03-23 Kum Gmbh & Co Kg Kunststoff Un Spitzer
US6574875B2 (en) 2000-07-12 2003-06-10 Carroll Vernon Lawson Pencil sharpener and method
DE10209192B4 (de) * 2002-03-04 2006-04-20 Eisen Gmbh Weichminenspitzer mit verschwenkbarem Fassonmesser
EP1396352B9 (fr) * 2002-08-29 2005-06-15 KUM Limited Crayon autonettoyant
US20040261275A1 (en) * 2003-06-27 2004-12-30 Hunt Holdings, Inc. Sharpener for creating a frusto-conical tip
US7472728B1 (en) 2005-06-08 2009-01-06 Beauty Points, Inc. Electrically powered rapid sharpening cosmetic pencil sharpener
EP1808310B1 (fr) * 2005-09-01 2008-07-16 KUM Limited Taille-crayon
US20080000094A1 (en) * 2006-07-03 2008-01-03 Guanghui Tong Pencil sharpener with a small limitation
CN101386245A (zh) * 2008-10-31 2009-03-18 郑朝勇 卷笔刀切削刀片
CN101844475B (zh) * 2010-03-17 2011-12-21 煜日升电子(深圳)有限公司 手摇式铅笔刨
DE102010031915A1 (de) * 2010-07-22 2012-01-26 Kum Ltd. Spitzer, insbesondere für einen kosmetischen oder pharmazeutischen Stift
US20120233867A1 (en) * 2011-03-15 2012-09-20 Choon Nang Energy Equipment Mfy., Ltd. Pencil sharpener with two blades
CN103085552A (zh) * 2013-01-07 2013-05-08 四川大学 多刀片铅笔刀
CN107618303B (zh) * 2017-09-22 2023-06-06 温州市佰思德笔业有限公司 一种软质铅芯的铅芯刨

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268019B (de) * 1963-07-03 1968-05-09 Klebes & Co K G A Spitzer
DE3824883A1 (de) * 1988-07-22 1990-02-01 Eisen C & Sohn Spitzer fuer weichminenstifte

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE433640C (de) * 1925-05-07 1926-09-03 Paul Moebius Fa Bleistiftspitzer mit aus einem scheibenfoermigen Koerper bestehenden Messer
US2106963A (en) * 1935-06-12 1938-02-01 Morris L Ullman Pencil sharpener
US2366928A (en) * 1944-01-07 1945-01-09 Anthon H Paschell Pencil sharpener
DE1236374B (de) * 1962-04-28 1967-03-09 Klebes & Co K G A Spitzer fuer ummantelte Stifte mit weicher Mine
US4248283A (en) * 1979-11-26 1981-02-03 Lowell Kaye Cosmetic pencil sharpener
DE8007479U1 (de) * 1980-03-19 1980-07-03 Inex Handelsgesellschaft Und Industrievertretungen Mbh, 6143 Lorsch Geraet mit einer dose zum spitzen von gegenstaenden
DE3737863C1 (en) * 1987-11-07 1988-08-18 Moebius & Ruppert Sharpener for pencils with a soft lead
DE4000122A1 (de) * 1990-01-04 1991-07-11 Eisen C & Sohn Spitzer
US5046876A (en) * 1990-08-24 1991-09-10 Robert Boraca Safety tipped pencil and sharpener therefor
DE4440271B4 (de) * 1994-11-11 2005-08-18 Möbius & Ruppert Spitzer mit verstellbarem Fassonmesser für Stifte mit weicher Mine
US5699620A (en) * 1996-12-11 1997-12-23 Pentech International Inc. Apparatus for sharpening crayon marking instruments to form an improved arcuate safety marking tip

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268019B (de) * 1963-07-03 1968-05-09 Klebes & Co K G A Spitzer
DE3824883A1 (de) * 1988-07-22 1990-02-01 Eisen C & Sohn Spitzer fuer weichminenstifte

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070601A1 (fr) 1999-07-23 2001-01-24 KUM Limited Taille-crayon pour crayon à mine tendre
CN106079988A (zh) * 2016-02-04 2016-11-09 宁海县金益文具有限公司 用于素描笔的削笔器

Also Published As

Publication number Publication date
US5894669A (en) 1999-04-20
DE19636438A1 (de) 1998-03-12
DE59700090D1 (de) 1999-03-25
EP0827844B1 (fr) 1999-02-17

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