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EP1818181A1 - Taille-crayon pour crayon à mine tendre - Google Patents

Taille-crayon pour crayon à mine tendre Download PDF

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Publication number
EP1818181A1
EP1818181A1 EP06001384A EP06001384A EP1818181A1 EP 1818181 A1 EP1818181 A1 EP 1818181A1 EP 06001384 A EP06001384 A EP 06001384A EP 06001384 A EP06001384 A EP 06001384A EP 1818181 A1 EP1818181 A1 EP 1818181A1
Authority
EP
European Patent Office
Prior art keywords
sharpener
guide sleeve
pin
sleeve
mine
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
EP06001384A
Other languages
German (de)
English (en)
Other versions
EP1818181B1 (fr
Inventor
Fritz Dr. Lüttgens
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 Ltd
Original Assignee
KUM Ltd
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 KUM Ltd filed Critical KUM Ltd
Priority to EP06001384A priority Critical patent/EP1818181B1/fr
Priority to DE200650007629 priority patent/DE502006007629D1/de
Publication of EP1818181A1 publication Critical patent/EP1818181A1/fr
Application granted granted Critical
Publication of EP1818181B1 publication Critical patent/EP1818181B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
    • 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
    • B43L23/085—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades one of the blades being used for shaping the writing point
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
    • A45D2040/201—Accessories
    • A45D2040/202—Sharpeners specially adapted for pencil-like cosmetics

Definitions

  • the invention relates to a sharpener for a soft pencil, in particular a cosmetic pencil.
  • a sharpener is commonly used to sharpen the lead of a pencil and thereby peel off any mine sheath that may be present.
  • a sharpener comprises an approximately cuboidal sharpener body, in which a substantially circular cone-shaped pointed cone is introduced as a guide for the pen tip such that its lateral surface approximately touches an outer surface of the sharpener body. In the vicinity of this tangent, the pointed cone is opened via a chip ejection slot to the adjacent outer surface of the sharpener body.
  • a sharpener further comprises a paring knife, which is attached tangentially with respect to the lateral surface of the pointed cone on the sharpener body and protrudes with a cutting edge in the chip ejection slot, so that upon rotation of a pin inserted into the tapered cone with respect to the sharpener body by the cutting edge of the peeling knife a chip of lifted off the pen.
  • pins with hard lead material pins are often used with a soft, plastic mine.
  • cosmetic pencils usually belong to these so-called soft lead pencils.
  • the problem increasingly arises that the peeled soft lead material sticks in the pointed cone or on the paring knife and forms lumpy residues. This can lead to contamination or smearing of the pin surface during the sharpening process or even to clogging of the pointed cone or any other impairment of the pointed function and is therefore undesirable.
  • Special sharpener for soft pencils as for example DE 199 34 691 A1 .
  • DE 27 43 120 A1 or EP 1 598 215 A1 are known, Therefore, they are often provided with a comparatively wide chip ejection slot and / or an opposing knife sharpener opening of the pointed cone to facilitate the ejection of the lead mass and to make the peeling blade and the tip of the pointed cone for the purpose of cleaning more accessible.
  • a cosmetic pencil unlike a writing or drawing pen, generally does not desire to make a pointed tip as a result of the sharpening process, but rather to make a rounded tip with a defined tip shape.
  • Known sharpener for cosmetic pencils therefore have in addition to the paring knife on a so-called Fassonmesser, which protrudes with a curved cutting edge in the pen tip in the pin guide channel, so scraped during the sharpening process mining mass of the pin on the Fassonmesser and the desired tip shape is formed.
  • the Fassonmesser also referred to as a Mine Shaper is either an integral part of the sharpener body formed or connected as a separate part with this.
  • a conventional Fassonmesser promotes the above-described problem of clumping or fouling of the pen tip, especially since the Fassonmesser abschabt in addition in the near-to-reach, and thus particularly narrow area of the pin guide channel additional mining mass. Due to the additional removal of lead mass to form the pen tip of the pen is also consumed relatively quickly. At the same time this results in comparatively much spitz waste. Especially since cosmetic pencils and the associated sharpeners are often taken as personal items, especially as a permanent inventory of a lady's handbag and used in different environments, the required disposal of spiked waste can be considered annoying and even prohibit the use of the sharpener under given circumstances. On the other hand, when storing the spiked refuse in a chip container or the like, the spiked refuse presents a risk of contamination.
  • the object of the invention is to specify a pencil sharpener which is particularly suitable for the tips of pens, in particular cosmetic pens, in the background described above.
  • the pencil sharpener comprises a sharpener body with a bore defining a pin guide channel and with an obliquely to an axis of the pin guide channel employed knife holder for a paring knife.
  • the sharpener further comprises a mortar former placed outside the pin guide channel so as to be accessible and usable separately from the pin guide channel.
  • the refiner is optionally formed as an integral part of the sharpener body or - as a separate part or component of a chip box, cleaning rod, etc. - connected to the latter.
  • the pencil sharpener is functionally designed such that the actual peak function is spatially and temporally separated from the function of mine forming. Accordingly, when using the pen nib, depending on how it is handled, the nib is sharpened either by peeling off the refill and the lead shroud, which may be surrounded by it, or the lead protruding in the region of the nib is brought into a desired predetermined shape.
  • the separation of pointed function and mine-forming function on the one hand has the advantage that in the actual sharpening process, on average, less lead mass is removed than is the case with a conventional cosmetic sharpener with a mortar shaper integrated in the pin guide channel.
  • the problem of clogging or contamination of the pen tip is reduced in the case of the pencil sharpener according to the invention during the sharpening process.
  • the pencil sharpener according to the invention has the advantage that no or only comparatively little waste is produced in the process of forming the lead.
  • the sharpener according to the invention makes it possible to repeatedly mold the tip of a cosmetic pencil between two sharpening processes. The pen tip can thereby in the desired shape be kept without having to constantly tip the pen. As a result, with very precise trimming of the pin, a particularly low pin consumption and a particularly low amount of spiked waste is achieved.
  • the separate Mine Former can be designed in the manner of a Fassonmessers such that it forms the pen tip by scraping of mine mass.
  • the mortar shaper comprises an externally accessible, substantially conical recess with a rounded cone tip which forms a hollow shape in which the refill is trimmed by simply deforming the refill material by pressing in the tip of the pen.
  • This embodiment of the Mine Former has the particular advantage that during the formation of the mine virtually no Spitzabfall arises.
  • the mine former may be disposed in any position on the sharpener body.
  • the refiner is preferably arranged either on the front side or on the rear side of the sharpener body.
  • the front side is that side of the sharpener body, at which also the pin guide channel opens.
  • the reverse side of this front side opposite side of the sharpener body is called.
  • the Mine shaper is made as a solid part of a material with low surface adhesion, in particular Teflon, or that the recess of the Mine Shaper is lined with an anti-adhesive coating.
  • the sharpener has a plurality of mortar shaper of the type described above, wherein the degree of fillet is different for each refiner, so that by selecting one of these Minenformer the pen point can be selectively brought into a more or less rounded shape.
  • the pen nib is of at least two of the sharpener body associated Minenformern a first Minenformer formed in the manner of a Fassonmessers so that it forms the pen tip by scraping of mine mass, while the second Minenformer brings the mining mold by pure forming the mining mass in the desired shape.
  • the latter embodiment is particularly advantageous in order to be able to work with the same sharpener both pencils with a harder lead and pens with a particularly soft lead. Trained in the manner of a Fasson knife trained Minenformer is particularly advantageous for comparatively hard pen leads, while the trained as a pure mold former brings with particularly soft mining masses user benefits.
  • the sharpener body is particularly reduced to the essential parts for its function by comprising as mutually remote but integrally connected parts a guide sleeve, an integrally formed on this knife holder and a ferrule or end cap.
  • the guide sleeve serves to guide the pin during the sharpening process by sheathing the bore defining the pin guide channel.
  • the guide sleeve is open at both axial ends.
  • the bore defining the pin guide channel completely passes through the guide sleeve between an entry end and an exit end, so that the tip of the pin projects beyond the guide sleeve in the tip position in the direction of the rear side of the tip body.
  • the knife holder is substantially wedge-shaped and formed laterally offset from the guide sleeve, so that it projects beyond the outlet end of the guide sleeve in the axial direction and flank the pin guide channel only on one side.
  • the ferrule or cap in turn, is located at the end of the knife holder remote from the guide sleeve and supports or holds the miner former, with the recess of the mortiser facing away from the back of the sharpener body, i. is accessible from the side facing away from the guide sleeve of the Mine shaper or cap ago.
  • the above-described embodiment of the pencil sharpener has the particular advantage that the sharpener body in the area in which during the sharpening process the pen tip is located, is largely open to the outside. This greatly reduces the risk of lead mass accumulating and clumping in the region of the pen tip during the sharpening process.
  • this comprises at least one flat support wing which is formed on the outer circumference of the guide sleeve and the end sleeve or cap, so that it connects the guide sleeve and the end sleeve in the manner of a clamp.
  • the support wing protrudes here (seen in cross-section) approximately radially from the guide sleeve, so that it does not appreciably affect the open design of the sharpener body and does not hinder the fall of the mining mass.
  • the sharpener body is provided with two support wings, which project in opposite directions from the outer circumference of the guide sleeve and the end sleeve or end cap, so that the sharpener body seen in the direction along the axis of the pin guide channel, approximately in the shape of a wing nut.
  • the knife holder is integrated in one of the support wings, while the other support wing is arranged on the opposite side of the knife holder pin guide channel.
  • the sharpener 1 shown in FIGS. 1 to 3 in a first embodiment represents a further development of a in EP 1 598 215 A1 It comprises, as already described in the aforementioned document, a one-piece sharpener body 2 made of plastic or metal and a paring knife 3.
  • the sharpener body 2 comprises a guide sleeve 4 and a knife holder 5 integrally formed thereon.
  • the guide sleeve 4 is provided with a central bore 6 (FIG. 3) defining a pin guide channel 7 (FIG. 3), the bore 6 completely filling the guide sleeve 4 interspersed.
  • the guide sleeve 4 and in particular its bore 6 accordingly have an entry end 8 at which a pin S (FIG. 3) to be sharpened is to be introduced into the bore 6 for the sharpening operation.
  • the entry end 8 axially opposite end of the guide sleeve 4 and the bore 6, to which the pen tip of the pin S in pointed position protrudes out of the guide sleeve 4 is referred to as the exit end 9.
  • the pin guide channel 7 denotes the volume occupied by the pin S to be sharpened in the pointed position inside and outside of the guide sleeve 4.
  • the bore 6 is cylindrical, ie of constant diameter. This cylindrical portion 10 serves to ensure a good guidance of the pin S along an axis 11 of the pin guide channel 7.
  • the bore 6 tapers towards the outlet end 9 conically. This conical portion 12 of the bore 6 serves as a stop of the pin S in the pointed position.
  • the outer circumference 13 of the guide sleeve 4 can in principle be designed arbitrarily. In the illustrated embodiments, the outer circumference 13 of the guide sleeve 4 but (in cross section) is always circular.
  • the knife holder 5 essentially has the shape of a wedge whose horizontal face 14 (FIG. 3) is aligned at a small distance parallel to the axis 11 of the pin guide channel 7.
  • the inclined surface of the wedge shape forms a support surface 15 (FIG. 3) on which the paring knife 3 is positioned at an angle relative to the axis 11.
  • the bearing surface 15 is for this purpose in particular surrounded on its side facing away from the axis 11 edge with a rail-like positioning aid 16, on which the paring knife 3 is applied.
  • the paring knife 3 is oriented in this position such that its cutting edge 17 (FIG. 1) forms a line approximately intersecting the axis 11.
  • the paring knife 3 is fixed by means of a fastening screw 18 on the support surface 15.
  • the knife holder 5 is arranged with its longitudinal axis offset parallel to the axis 11, so that its wedge tip 19 is remote from the guide sleeve 4, and the wedge tip 19 opposite wedge base 20 (Fig. 1) of the guide sleeve 4 faces.
  • the knife holder 5 overlaps in the region of the wedge base 20 with the guide sleeve 4 in an axial region which exceeds the axial length of the conical section 12 of the guide sleeve 4. This overlap ensures that the pin S is peeled clean to its outer periphery.
  • the guide sleeve 4 is provided with a chip ejection slot 21 (FIG. 1) into which the cutting edge 17 of the peeling knife 3 protrudes.
  • the knife holder 5 projects beyond the outlet end 9 of the guide sleeve 4.
  • the peeling blade 3 and the pin guide channel 7 occupied by the pin S during the sharpening process are virtually free in space.
  • the pin guide channel 7 is surrounded only in a circumferential angular range of slightly more than 90 ° from the knife holder 5 and the paring knife 3.
  • the pin guide channel 7 in the region of the pen tip is open to the outside. "Top" here, regardless of the orientation of the sharpener 1 in the surrounding space, the side of the sharpener body 2, on which the paring knife 3 is fixed, "down" the opposite side.
  • the sharpener body 2 further comprises two support wings 25,26, each of which is integrally formed in the region of an end 27 on the outer circumference 13 of the guide sleeve 4 and from there - viewed in cross section along the axis 11 - projects radially.
  • the two support wings 25,26 are arranged in particular on mutually opposite peripheral regions of the guide sleeve 4, so that the sharpener body 2 has approximately the shape of a wing nut.
  • Each support wing 25,26 has an elongated, flat shape whose longitudinal extent is aligned parallel to the axis 11. From the guide sleeve 4 facing the end 27 of each support wings 25,26 extends in the direction of the outlet end 9 and beyond.
  • the support vanes 25, 26 thus flank the knife holder 5 and the paring knife 3 in the axial direction.
  • the support vanes 25, 26 are arranged such that a respective lower surface 28 of the respective support wing 25, 26 is aligned with the horizontal surface 14 of the wedge-shaped knife holder 5.
  • the knife holder 5 is integrated into the support wing 25, so that the lower surface 28 of the support wing 25 with the horizontal surface 14 of the knife holder 5 forms a common, contiguous surface.
  • each support wings 25,26 formed on the outer periphery 35 of an end sleeve 36 which is arranged coaxially with the guide sleeve 4 and axially offset therefrom.
  • the support wings 25,26 thus extend like a clamp between the guide sleeve 4 and the end sleeve 36, wherein the knife holder 5 is received between the guide sleeve 4 and the end sleeve 36.
  • the end sleeve 36 serves as a holder for a lead former 37.
  • the lead former 37 is formed as a separate part which is inserted with a holding projection 38 (FIG. 3) into a corresponding bore 39 (FIG. 3) of the end sleeve 36.
  • the mine former 37 is preferably held in the end sleeve 36 by press fit; it may alternatively or additionally but also screwed to the end sleeve 36, glued or welded or held in other ways in the end sleeve 36.
  • the former 37 is provided with a recess 40 which tapers conically from an entry port 41 ( Figure 3) and which terminates in a blunt, rounded tip 42 ( Figure 3).
  • the inlet opening 41 of the refining 37 is diametrically opposite to the inlet opening 8 of the guide sleeve 4, and thus the bore 6 is arranged so that the refiner 37 is arranged outside of the pin guide channel 7 and separately accessible and usable by this.
  • the pin S is optionally pressed with rotation relative to the pin body 2 in the recess 40, so that the soft lead material is formed into a well-defined, complementary to the shape of the recess 40 shape.
  • the lead former 37 is formed of a material with low surface adhesion, in particular Teflon.
  • FIGS. 4 to 6 An alternative embodiment of the sharpener 1 shown in FIGS. 4 to 6 substantially corresponds to the embodiment described above. Deviating from this but here is the Mine Shaper 37 as an end cap instead of the End sleeve 36 integrally integrated into the sharpener body 2.
  • the lead former 37 consists of the same material as the remaining sharpener body 2.
  • the recess 40 is optionally lined with an anti-adhesive layer.
  • a further embodiment of the sharpener 1 shown in FIGS. 7 to 9 again essentially corresponds to the exemplary embodiment according to FIGS. 4 to 6, but differs therefrom in the embodiment of the former 37.
  • the former 37 does not form the pen nib by mere reshaping of the lead. Rather, the Mine Former 37 forms the tip shape in the manner of a conventional Fassonmessers by scraping the mine mass.
  • the demineralizer 37 differs from the embodiments described above in that the recess 40 is cut in the region of the tip 42 toward the top and bottom of the sharpener body 2 to allow ejection of the scraped ground mass.
  • a cutting edge 44 is formed at which the mining mass is scraped off to form the pen tip.
  • a guide ring 45 which surrounds the recess 40 in an area adjacent to the insertion opening 41 area all around.
  • the barrel-blade-like mine former described in the context of FIGS. 7 to 9 is provided as a separate part which can be connected to the sharpener body 2 according to FIGS.
  • the sharpener body 2 carries two, in particular, different lead shapers 37, which are arranged, in particular, side by side on the rear end of the sharpener body 2 facing away from the guide sleeve 4.
  • the demineralizers 37 can optionally be connected to the sharpener body 2 as separate parts according to FIG. 1 or be integrated in the same according to FIG. 4.
  • These two mine shapers 37 differ in that one of the type of mine former 37 described in FIGS. 1 to 6 is designed as a pure hollow mold for reshaping the pen nib, while the second refining former according to FIGS. 7 to 9 is designed as a diameter blade.
  • the two demineralizers may also be of similar design, but differ in the tip shape of the recess 40, in particular in the degree of rounding of the tip 42.
  • the basic idea according to the invention namely the arrangement and accessibility of the lead former which is separate from the guide channel, can generally be applied to sharpeners with an arbitrarily shaped sharpener body.
  • the one or more Mine Former can in principle be arranged at any point of the sharpener body. From a handling point of view, however, the one or more mortar formers are preferably arranged on the front side of the sharpener, ie next to the inlet opening of the pin guide channel, or on the rear side of the sharpener body, ie opposite to the inlet opening of the pin guide channel.

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EP06001384A 2006-01-24 2006-01-24 Taille-crayon pour crayon à mine tendre Expired - Lifetime EP1818181B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06001384A EP1818181B1 (fr) 2006-01-24 2006-01-24 Taille-crayon pour crayon à mine tendre
DE200650007629 DE502006007629D1 (de) 2006-01-24 2006-01-24 Spitzer für einen Weichminenstift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06001384A EP1818181B1 (fr) 2006-01-24 2006-01-24 Taille-crayon pour crayon à mine tendre

Publications (2)

Publication Number Publication Date
EP1818181A1 true EP1818181A1 (fr) 2007-08-15
EP1818181B1 EP1818181B1 (fr) 2010-08-11

Family

ID=36443838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06001384A Expired - Lifetime EP1818181B1 (fr) 2006-01-24 2006-01-24 Taille-crayon pour crayon à mine tendre

Country Status (2)

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EP (1) EP1818181B1 (fr)
DE (1) DE502006007629D1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US832446A (en) * 1906-02-24 1906-10-02 Frederick Edward Vesey Baines Pencil-sharpener.
GB376652A (en) * 1932-01-09 1932-07-14 Fritz Mussgueller Improvements in or relating to sharpeners for writing leads or the like
US2309194A (en) * 1941-10-25 1943-01-26 Charles W Hutchinson Lead pointing device
DE2743120A1 (de) 1977-09-24 1979-03-29 Klebes & Co Kg A Spitzer fuer ummantelte stifte mit weicher mine
DE19915384A1 (de) 1999-04-06 2000-10-19 Kum Ltd Spitzer für Weichstifte
DE19934691A1 (de) 1999-07-23 2001-01-25 Kum Ltd Spitzer, insbesondere für Weichminenstifte
DE19952039A1 (de) * 1999-10-28 2001-05-03 Moebius & Ruppert Kg Spitzer
EP1598215A1 (fr) 2004-05-21 2005-11-23 KUM Limited Taille-crayon pour un crayon

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0368842B1 (fr) * 1987-05-22 1995-02-01 L'Image Applicateur pour matieres molles
DE29723492U1 (de) * 1997-06-05 1998-08-27 KUM GmbH & Co KG Kunststoff- und Metallwarenfabrik, 91054 Erlangen Spitzer für Weichminenstifte
DE50202175D1 (de) * 2002-07-19 2005-03-10 Kum Ltd Spitzer für Weichminenstifte

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US832446A (en) * 1906-02-24 1906-10-02 Frederick Edward Vesey Baines Pencil-sharpener.
GB376652A (en) * 1932-01-09 1932-07-14 Fritz Mussgueller Improvements in or relating to sharpeners for writing leads or the like
US2309194A (en) * 1941-10-25 1943-01-26 Charles W Hutchinson Lead pointing device
DE2743120A1 (de) 1977-09-24 1979-03-29 Klebes & Co Kg A Spitzer fuer ummantelte stifte mit weicher mine
DE19915384A1 (de) 1999-04-06 2000-10-19 Kum Ltd Spitzer für Weichstifte
DE19934691A1 (de) 1999-07-23 2001-01-25 Kum Ltd Spitzer, insbesondere für Weichminenstifte
DE19952039A1 (de) * 1999-10-28 2001-05-03 Moebius & Ruppert Kg Spitzer
EP1598215A1 (fr) 2004-05-21 2005-11-23 KUM Limited Taille-crayon pour un crayon

Also Published As

Publication number Publication date
DE502006007629D1 (de) 2010-09-23
EP1818181B1 (fr) 2010-08-11

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