EP1705133A1 - Cartouche pour stocker et doser des materiaux pateux - Google Patents

Cartouche pour stocker et doser des materiaux pateux Download PDF

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Publication number
EP1705133A1
EP1705133A1 EP06075674A EP06075674A EP1705133A1 EP 1705133 A1 EP1705133 A1 EP 1705133A1 EP 06075674 A EP06075674 A EP 06075674A EP 06075674 A EP06075674 A EP 06075674A EP 1705133 A1 EP1705133 A1 EP 1705133A1
Authority
EP
European Patent Office
Prior art keywords
piston
cartridge according
receiving
outlet
central axis
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
EP06075674A
Other languages
German (de)
English (en)
Other versions
EP1705133B1 (fr
Inventor
Hans-Werner Mattis
Eberhard Friemel
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.)
DAW SE
Original Assignee
DAW SE
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Filing date
Publication date
Application filed by DAW SE filed Critical DAW SE
Publication of EP1705133A1 publication Critical patent/EP1705133A1/fr
Application granted granted Critical
Publication of EP1705133B1 publication Critical patent/EP1705133B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container

Definitions

  • the present invention relates to a cartridge for storing and dosing pasty media.
  • tinting pastes in the form of tubes (made of flexible plastic or metal) or compressible cylindrical paint containers made of plastic.
  • the present invention is therefore an object of the invention to provide a cartridge for storing and dosing pasty media, especially for tinting pastes, which allows easy operation and the highest possible color accuracy of the subsequently blended color.
  • the longitudinally shaped receiving sleeve serves as a piston housing for the piston movable between the full position and the empty position.
  • the piston assembly a secure emptying is made possible.
  • the thus "fixed" receiving cover for example, to use glass or transparent plastic as a material, which additionally serves the color gamut.
  • the receiving sleeve in this case has an offset in the direction of the central axis, that is to say the pressure direction of the piston.
  • This offset serves to prevent the attack of, for example, a thumb of an operator's hand during the pressing-in process of the piston. It is thus ensured a further travel of the piston, without any risk of jamming for the operator. It can thus be applied conveniently and with great certainty the desired amount of color.
  • the receiving sheath and / or the piston have an additional guide for preventing a rotation of the piston relative to the receiving sheath around the central axis.
  • the finger for example thumb
  • the operator's hand is always in the same spatial relationship to the paragraph in the receiving shell, thus a "slipping" or clamping of the thumb, which by twisting the piston could be caused to avoid.
  • the additional guide is designed as a projection (for example, as a nose), which engages in a complementary and substantially to the central axis co-linear longitudinal guide.
  • the piston is provided with a "gating", which has the shape of a nose which engages in a longitudinal groove in the receiving shell.
  • a further advantageous embodiment provides that the outlet-side end of the receiving sheath or the outlet-side end of the piston have a complementary shape to each other. It is therefore not absolutely necessary to carry out the piston unperforated.
  • the complementary tapering of the piston and receiving sheaths at the end makes complete emptying possible.
  • a further advantageous embodiment provides that the receiving envelope has a reducing insert in the region of the outlet. This is advantageous in a receiving envelope body of the receiving shell snapped. Thus, an otherwise difficult to manufacture in plastic injection molding microstructure is easy to produce.
  • different reducing inserts can be introduced alternatively (for example, matched to the viscosity of the pasty medium) into a single receiving envelope base body, which further reduces the production costs.
  • a further advantageous embodiment provides that the receiving shell has a screw cap at its outlet end. This allows the cartridge to be sealed absolutely tight for storage purposes.
  • the screw cap preferably also has a central nipple for this purpose.
  • the receiving envelope base body is made of a transparent plastic, in particular polycarbonate (PC), alternatively of polyethylene (PET), polypropylene (PP) or of glass.
  • the receiving envelope may also have on its outer side a scale for displaying residual volume pasty medium as a function of the piston position, if a "fine dosage" is required.
  • the piston also has an offset in the direction of the central axis.
  • This piston offset is particularly preferably in "synchronism" to the offset of the receiving shell.
  • the piston can here (in each case in the plane perpendicular to the "central axis") a round cross-section, an oval cross-section or even have a polygonal cross-section.
  • the “offset" of the receiving envelope is preferably carried out as an "oblique gate" of the receiving envelope main body (practically like a “sausage cut”).
  • the piston at the end facing away from the outlet has a substantially planar inclined surface, which is approximately in synchronization with this gate, ie, that the corresponding oblique inclination (albeit at a duller angle with respect to the central axis) , but at least approximately the same tilt angle with respect to the central axis, is given.
  • the flat inclined surface of the piston offers the possibility that a corresponding color sticker can be conveniently positioned thereon.
  • the piston but also in the region of this inclined surface with a recess for receiving a human finger, preferably the thumb, executed in order to haptically make an even better impression or better ergonomics available.
  • a human finger preferably the thumb
  • the piston executed in order to haptically make an even better impression or better ergonomics available.
  • an outer arch is possible.
  • a further advantageous development provides that in the empty position, the outlet-side piston end substantially at the level of the outlet side Receptacle end is. This ensures that the piston practically penetrates into the "foremost tip" of the outlet and thus virtually no residual volume pasty medium remains unused.
  • the piston in this case preferably has at its outlet end a cylindrical or frusto-conical shape, which is preferably complementary to the corresponding design of the outlet end of the receiving housing main body. At the extreme end of this form may additionally be attached a pin for emptying.
  • the piston is preferably (to reduce its mass) designed as a hollow part, in this case, the piston can be one or two parts.
  • the piston can be one or two parts.
  • the piston and / or the receiving shell preferably have at least one sealing ring in their mutual contact area.
  • a plurality of sealing rings one above the other (relative to the central axis) may be provided, these may also be distributed to receiving sleeve and piston mounted to thereby even more complementary detents to determine the position (about the full position) to create.
  • Corresponding sealing rings can in this case be designed as an outer thickening of the piston or as an inner thickening of the receiving shell.
  • additional rings such as "O" rings in corresponding grooves or make elastomer sprays.
  • the corresponding thickenings made of the same material as the rest of the piston or the rest of the receiving shell base body are particularly cost-effective and absolutely sufficient in terms of their tightness.
  • the piston and / or the receiving sleeve can have both complementary latching elements for latching the full position and for latching the empty position.
  • the locking of the empty position in this case has the advantage that the operator is informed by an audible signal that the emptying is completed, which offers a previously unprecedented security.
  • the piston is preferably made of plastic, in particular of polypropylene or polyethylene.
  • FIG. 1a shows the cross section of a cartridge 1 according to the invention in the full position.
  • a piston 5 which is constructed in two parts. In addition to the upper part, this piston has at its lower end an outlet-side piston end 5a (see also FIG. 3b).
  • the piston has an inclined surface at its end remote from the outlet. This bevel surface is used for easier attachment of color stickers. By pressing with a thumb of an operator's hand on this inclined surface of the piston in the direction of the central axis 3 downwards (ie in the negative Z-direction) to move.
  • the piston in the present case has a round cross section, but alternatively also oval cross sections or polygonal cross sections are conceivable (these cross sectional shapes are respectively indicated perpendicular to the central axis 3).
  • the piston 5 at the end remote from the outlet 4 has a recess for receiving a human finger (thumb). It can therefore be said that the piston 5 in the direction of the central axis 3 an offset having. This offset is in the present case designed as a slope, alternatively, stepped shapes are possible.
  • the piston is guided in a receiving sheath 2. This happens on the one hand in that the piston is accommodated substantially in a form-fitting manner along the central axis 3 in a receiving envelope which is correspondingly round in cross-section, so that no pasty medium can pass in the gap between the piston and the receiving envelope.
  • the piston has a projection 6a (shown in FIG. 1a, top right) (see also FIG. 3a).
  • This projection 6a engages in a longitudinal guide 6b (see Figure 2a). Together, these complementary parts form an additional guide 6.
  • This additional guide serves to prevent the rotation of the piston 5 relative to the receiving sheath 2 about the central axis 3 around.
  • a plurality of projections 6a are provided, which are preferably uniformly distributed, attached to the piston. It is advantageous, for example, to provide three projections, which are arranged at equiangular spacing about the central axis 3, wherein the equiangularity is not absolutely necessary here. In this case, preferably at least one projection in the region of the largest guide length (ie in Fig. 1a top right, at the highest point of the piston) is provided.
  • further projections 6a may be arranged angularly offset in Fig. 1a below the projection 6a, which are guided in corresponding guides of the receiving sheath. This is particularly advantageous for the thin-walled receiving envelope provided here. Since the projection 6a does not protrude too far from the other piston (preferably 0.3 to 3 mm, more preferably 0.7 to 1.5 mm), the complementary overlap with the guide groove of the receiving shell is correspondingly small. Therefore, especially with a tilting of the piston (which in one-handed operation quite possibly) the projection may slip out of the groove under circumstances, if no further security measures are given.
  • the further projections with corresponding grooves are advantageous, which ensure with a corresponding tilting movement that in each case other projections are pushed even further into the groove, so that a total rotation of the piston with respect to the receiving shell is reliably prevented.
  • the cartridge 1 is provided with a screw cap 2c at its lower end, that is to say the outlet-side end 2a of the receiving casing (this screw cap is shown only in FIG. 1a, but not in FIG. 1b).
  • a reducing insert 7 is also snapped in (see FIG. 2c later).
  • the screw cap 7 (here again referred to Figure 2b) has a nipple 7a, which engages positively in a corresponding opening of the Reduzierer horres 7.
  • outlet-side end 5a of the piston and the outlet-side end 2a of the receiving sheath are complementary to one another and, in particular, have a mutually complementary taper.
  • a complementary cylindrical shape is shown here, alternatively, a frusto-conical arrangement is possible.
  • a cylindrical pin 5b At the outermost end of the outlet side end 5a of the piston is a cylindrical pin 5b (this has a further reduction in cross-section) is provided. This pin engages positively in the "4 empty position" in the outlet 4. As a result, a complete emptying of the cartridge is achieved. This is especially secured if the Pin 5b, as shown in Fig. 1b, projecting downwards over the reducing insert or the end of the receiving sleeve.
  • the pin 5b is at least as deep as the lower end of the reducing insert or the lower end of the receiving sleeve. It is also advantageous if the annular gap between the pin and the surrounding reducing insert is as small as possible. As a result, the emptying is further improved, preferably, a radial annular gap of not more than 0.05 to 0.5 mm, preferably 0.2 to 0.4 mm provided.
  • the diameter of the pin is preferably relatively small to hold so as to be able to dose as accurately as possible. Thus, diameters of 1 mm to 7 mm, preferably 1.5 mm to 4 mm, particularly preferably 1.6 mm to 2.5 mm are to be provided here.
  • the extent of the pin 5b in the direction of the central axis 3 is preferably to be selected in the range of 1 mm and 4 mm.
  • the advantage is achieved that the filling of the receiving sheath from the outlet end can be done with conventional machines which offer a high volume flow. Then then, for example, the clipping of the outlet end (the reducing insert).
  • the advantage here is that it can not come to possible contamination in the field of leadership or the subsequent operator hand, also a remaining residual air is thereby avoided.
  • the emptying has in addition to the exact metering of the desired amount of color other benefits.
  • the secured emptying is very environmentally friendly, since in the remaining container significantly less color attachments remain, so that so provides a "more sorted" waste product, especially for container recycling. It also increases user satisfaction by minimizing the risk of a user contaminating his hands or clothing with paint residue if completely emptied. This aspect should not be underestimated, since even in the case of the very color intensive concentrate which is preferably applied in the cartridge according to the invention, even small amounts are sufficient to produce a considerable (in this case unwanted) discoloration.
  • FIG. 1 b shows the "empty position" in which the piston 5 a is pressed down to the maximum (that is, it is moved downward in the negative Z direction). It can be seen here that the outlet-side end 5a of the piston is substantially at the level of the outlet-side receiving sheath end (in FIG. 1b, the state without screw cap is shown).
  • the left-side, lowermost end of the oblique surface of the piston 5 just projects beyond the left-side upper edge of the receiving envelope 2. This ensures that the thumb of an operating hand never "slips" onto the receiving envelope in this longitudinal region.
  • the right side raised wall of the receiving shell serves this purpose that with the other fingers of the operating hand, the receiving cover can be easily included and thus a one-hand operation is easily possible. It is advantageous that the lengths of the receiving sheath or the piston shown here and the angles ⁇ and ⁇ are tuned so that a slipping of the thumb is avoided even with complete emptying. According to the invention also no cross-sectional reductions in the region of the piston are given, so that also a Pin protection for the thumb results.
  • the angle ⁇ is selected to be slightly larger than the angle ⁇ .
  • the favorable for one-handed operation slope of the upper control surface of the piston is achieved.
  • this surface can be easily indented.
  • the upper edge of the receiving envelope, as shown in Fig. 1b preferably given as a smooth slope. This results in addition to an aesthetically sophisticated and clear design and the feature that in the one-handed operation, the remaining fingers (ie all but the thumb) can surround the receiving sleeve and no relative movement between receiving sleeve and piston is given.
  • the dimensions are specified so that in the single-handed operation of the piston in a single train, so without changing over, from the full position into the empty position can be transferred.
  • the outer visible-side region of the piston in the full position is made of a smooth plastic, which is visually appealing.
  • Fig. 1b is also good to see that the upper edge of the receiving envelope or the upper edge of the piston are formed as inclined surfaces. These surfaces are rotated starting from a plane lying perpendicular to the central axis 3 about a vector which is on the plane of the paper.
  • the end of the piston facing away from the outlet 4 encloses an angle ⁇ with the central axis, which faces away from the outlet 4 of the receiving sheath an angle ⁇ .
  • the angle ⁇ is chosen to be larger than the angle ⁇ , since this easily allows easy inclusion of the receiving shell and on the other hand, a depression of the piston and a good guidance of the piston along the entire length of the additional guide 6 allows.
  • angles ⁇ and ⁇ have the same sign, which means that the piston offset and the offset of the receiving shell are, so to speak, "in synchronism".
  • the slope is preferable to the grading, advantageous is also not substantially reduced cross-section piston, which prevents pinching of parts of the hand.
  • the piston 5 and the receiving sleeve 2 have complementary latching elements (not shown in FIGS. 1a and 1b) which ensure latching in the full position (FIG. 1a) and in the idle position (FIG. 1b).
  • a cartridge 1 for storing and dosing pasty media, especially for tinting pastes contains a longitudinally shaped receiving envelope 2 with a central axis 3 and an outlet 4 for pasty medium, a piston 5 which can be moved in the receiving envelope 2 along the central axis 3 between a full position (FIG. 1 a) and an empty position (FIG. 1 b), wherein the receiving envelope 2 At its end facing away from the outlet 4 in the direction of the central axis 3 has an offset.
  • FIG. 2 a shows views or a cross section of a receiving envelope main body 2 b.
  • This receiving envelope main body is made of a transparent plastic, in this case made of polycarbonate (PC). Alternatively, polyethylene or polypropylene is possible.
  • a scale for indicating residual volume of pasty medium as a function of the piston position which is not shown in FIG. 2a, is attached to the present receiving shell base body.
  • FIG. 2a shows at the top left an extension 6b 'injection-molded in one piece with the receiving envelope base body.
  • this extension can also be injection-molded from another material or attached subsequently.
  • the extension Before insertion of the piston, the extension, as indicated in section A-A (that is, Fig. 2a, right side) with the local arrow bent downwards so that it presses elastically against the piston.
  • the position is in this case provided so that the projection 6a (see Fig. 1a) abuts in the "full position" against the bent projection, so here in the axial direction upwards results in a stop for the projection 6a.
  • This can be achieved by corresponding axial extension or higher positioning of the projection 6a or alternatively by extension of the extension 6b '.
  • Fig. 2a also locking elements 10 are shown, which are designed as "constrictions" in the receiving shell base body 2b. These are circumferential rings (alternatively also spaced-apart ring segments are possible) of the same material as the receiving sheath main body, which are spaced.
  • the upper annular locking element is in this case significantly wider than the lower. This larger extent ensures that a transfer of the piston, which has a sealing ring 9 on its outer surface (see Figure 3a), is not readily possible by an operator.
  • the lower annular detent element is slightly smaller, so that it is readily possible to overcome the detent element by a thumb pressure on the piston in the negative Z direction. In the "full position", the sealing ring (which thus represents a complementary locking element) will be located between the two locking elements 10 shown in FIG. 2a.
  • FIG. 2b again shows details of the screw cap 2c.
  • the additional nipple 7a can be seen there.
  • the screw cap has around the central thread around a broadening, so that the outer diameter of the screw cap corresponds to the receiving sheath main body.
  • FIG. 2 c shows views or a cross section of the reducing insert 7.
  • FIGS. 3 a and 3 b again show details of a piston 5.
  • Figure 3a shows on the left side a plan view of an upper piston part, in which the projection 6a can be seen in plan view.
  • a section according to A-A is shown on the right side in FIG. 3a.
  • a widening in the form of a sealing ring 9 is shown.
  • This sealing ring is preferably a widening of the same material as the rest of the piston part.
  • Figure 3b shows the two parts of the piston 5, which by a snap connection in the in Figures 1a or 1b shown state can be snapped.
  • the lower part of the piston shown in Fig. 3b is in this case in its outer diameter slightly larger than the upper part of the piston, so that in this way a seal 9 results, which ensures gap freedom between piston and receiving sheath main body.
  • the two parts of the piston are made of plastic, in this case polypropylene. Alternatively, for example, polyethylene or other plastic material is possible.
  • an outer packaging can also be provided, which is adhered to the receiving envelope and its synchronkrappe across. In the interface area of the screw cap to the main body of the receiving shell in this case a weakening is to be provided, which is destroyed at first unscrewing the screw cap. Thus, a secure "originality protection" is given, so that the user can determine exactly that it is an original packaging and not a refill.
  • the outer packaging may in this case essentially comprise the entire outer surface of the receiving envelope, wherein, for example, windows for viewing the color material filled therein (provided that the receiving envelope is made of transparent plastic) can be provided.
  • the present cartridge is suitable for portioning pasty media, especially for tinting pastes for tinting, for example, white color.
  • adjustments of the reducing insert or the piston diameter, etc. can be made here in order to meet the needs of the corresponding medium.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP06075674A 2005-03-22 2006-03-21 Cartouche pour stocker et doser des materiaux pateux Not-in-force EP1705133B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005014086A DE102005014086A1 (de) 2005-03-22 2005-03-22 Kartusche zum Aufbewahren und Dosieren pastöser Medien

Publications (2)

Publication Number Publication Date
EP1705133A1 true EP1705133A1 (fr) 2006-09-27
EP1705133B1 EP1705133B1 (fr) 2008-10-08

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ID=36573286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06075674A Not-in-force EP1705133B1 (fr) 2005-03-22 2006-03-21 Cartouche pour stocker et doser des materiaux pateux

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Country Link
EP (1) EP1705133B1 (fr)
AT (1) ATE410378T1 (fr)
DE (2) DE102005014086A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925569A1 (fr) * 2006-11-23 2008-05-28 Perfecta Chemie B.V. Contenant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933273A (en) * 1973-02-15 1976-01-20 Patrick Clement Cox Dispenser for expelling contents of collapsible tubes and method of using
DE9419821U1 (de) * 1994-12-10 1995-02-09 Muhr & Söhne GmbH + Co. KG, 57439 Attendorn Kartusche für pastöse Materialien
EP1314650A1 (fr) * 2001-11-22 2003-05-28 Polarcup Gmbh Cartouche et piston associé

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR893469A (fr) * 1943-04-12 1944-07-28 étui-récipient à fond coulissant
DE1818074U (de) * 1960-04-23 1960-09-08 Karlhorst Kuppi Dosiertube.
DE3502605A1 (de) * 1985-01-26 1986-07-31 Bramlage Gmbh, 2842 Lohne Schuhcremespender
DE29516167U1 (de) * 1995-10-12 1995-12-14 Schramm, Albin, Dr., 93105 Tegernheim Vorrichtung zum Aufbewahren und Auftragen von Klisterwachs für Langlaufski
DE10054984A1 (de) * 2000-11-07 2002-06-06 Henkel Kgaa Vorrichtung zur Aufnahme und Abgabe eines streichfähigen Materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933273A (en) * 1973-02-15 1976-01-20 Patrick Clement Cox Dispenser for expelling contents of collapsible tubes and method of using
DE9419821U1 (de) * 1994-12-10 1995-02-09 Muhr & Söhne GmbH + Co. KG, 57439 Attendorn Kartusche für pastöse Materialien
EP1314650A1 (fr) * 2001-11-22 2003-05-28 Polarcup Gmbh Cartouche et piston associé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925569A1 (fr) * 2006-11-23 2008-05-28 Perfecta Chemie B.V. Contenant

Also Published As

Publication number Publication date
EP1705133B1 (fr) 2008-10-08
DE502006001711D1 (de) 2008-11-20
DE102005014086A1 (de) 2006-09-28
ATE410378T1 (de) 2008-10-15

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