EP1836100B1 - Ringkolben für eine kartusche zum auspressen von pastösen substanzen - Google Patents

Ringkolben für eine kartusche zum auspressen von pastösen substanzen Download PDF

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Publication number
EP1836100B1
EP1836100B1 EP05850154A EP05850154A EP1836100B1 EP 1836100 B1 EP1836100 B1 EP 1836100B1 EP 05850154 A EP05850154 A EP 05850154A EP 05850154 A EP05850154 A EP 05850154A EP 1836100 B1 EP1836100 B1 EP 1836100B1
Authority
EP
European Patent Office
Prior art keywords
wall
ram
blade
piston
cartridge
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.)
Not-in-force
Application number
EP05850154A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1836100A1 (de
Inventor
Anton Topic
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PL05850154T priority Critical patent/PL1836100T3/pl
Priority to SI200530309T priority patent/SI1836100T1/sl
Publication of EP1836100A1 publication Critical patent/EP1836100A1/de
Application granted granted Critical
Publication of EP1836100B1 publication Critical patent/EP1836100B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00576—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container
    • B05C17/00579—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container comprising means for allowing entrapped air to escape to the atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00576—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container
    • 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 piston In the storage and transport state of the filled cartridge, the piston must on the one hand seal well, so that the enclosed substance is prevented from escaping. On the other hand, however, the piston must also be so movable, namely displaceable in the axial direction within the cartridge, so that the subsequent pressing of the pasty substance still acceptable forces sufficient. Consequently, the piston must be displaceable within a certain range of forces after filling of the cartridge.
  • a piston proposed according to the preamble of claim 1 in which at least one of the two circumferential elastic lamella towards the end wall of the piston is directed substantially obliquely outwards and bears against the inner wall of the container with bias and has on its side facing away from the wall of the piston side at least one projection.
  • the known piston already represents an improvement in terms of the smallest possible amount of residual air when inserting a piston into a cartridge and a good axial mobility of the piston used. Nevertheless, in some cases, the amount of residual air is not sufficiently low enough and the axial mobility is not sufficiently good enough.
  • the rear lamella has on its outer side a peripheral in a radial plane elevation.
  • the rear slat is designed to abut before the first pressing of pasty substances from the cartridge to the inner wall of the container or the chamber.
  • the rear blade extends substantially arcuate obliquely outward.
  • the rear blade has an end whose surface is roughened.
  • the roughened surface facilitates the venting of the piston.
  • the roughness of the surface is about 30 microns.
  • a further particular embodiment of the invention is characterized in that on the inside of the end wall at least one of them substantially vertically extending web having a first land height and a first web thickness and at least one thereof substantially perpendicularly extending web with a second land height and a second , Web thickness extends, wherein the first and second web heights are at least substantially identical and the first and second web thicknesses are different.
  • the piston sits plane-parallel at the beginning of extrusion by means of a plunger, deforms the web or deform the webs with the smaller web thickness in building an internal pressure rather than the web or the webs with greater web thickness, whereby the piston receives a tilt, which in turn deforms elliptical in plan view when pressing in the piston, the rear lip, so that a gap or gap to the wall arises / arise through which / can be done a vent. Then, it is not absolutely necessary that the rear fin has an end with a roughened surface.
  • the front slat on the outside in a radial plane circumferentially spaced webs.
  • the rear slat is pushed outwards more.
  • the front blade has a rounded end.
  • the defined by the outside of the wall, at right angles to the longitudinal axis of the piston extending cross-sectional area decreases towards the end wall.
  • the slots are arranged in the root region of the front lamella.
  • the rear blade extends at an angle ⁇ of 0 to 10 degrees to the longitudinal axis of the piston obliquely outward.
  • the root region of the rear lamella is arranged in the region of the transition between the first wall section and the transition section.
  • the rear lamella has a beveled outwardly to the end wall of the piston outward end.
  • the outer side of the wall of the piston has two sealing lips running around in radial planes and directed obliquely outwards away from the end wall.
  • a circumferential in a radial plane, outwardly projecting guide rib is provided on the outside of the wall between the two sealing lips.
  • the guide rib (s) serve to prevent deformation and / or tilting of the piston, particularly when using a compressed air gun.
  • the piston has an oval cross-section in the region of the front and rear slats.
  • the front louver 17 has circumferentially spaced slots 54 extending in the circumferential direction, and the rear lamella 16 extending in the direction of extrusion extends substantially obliquely outwardly toward the end wall 12 of the piston and forms a pocket 19 with the front louver 17.
  • the rear blade 16 extends at an angle ⁇ of 3 degrees to the longitudinal axis of the piston obliquely outward (see FIG. 3 ).
  • the outer side 15 of the wall 14 of the piston has three circumferential in radial planes, away from the end wall 12 obliquely outwardly directed sealing lips 20, 50 and 62, wherein between the sealing lips 20 and 50 and 50 and 62 on the outer side 15 of the wall 14 respectively a circumferential in a radial plane, outwardly projecting guide rib 25 and 27 is provided (see FIG. 2 ).
  • Each guide rib 25 and 27 has a first flank 25a or 27a facing the end wall 12 with a first pitch and a second flank 25b or 27b facing away from the end wall 12 with a second pitch, wherein the second pitch is greater than the first pitch ,
  • FIG. 1 shows, the piston 10 in the region of the front and rear slats 16 and 17 has a round cross-section.
  • the front lamella 17 is even pressed against the rear lamella 16, at least in this embodiment.
  • the front louver 17 has a rounded end 17a (see FIG FIG. 9 ) on.
  • the front lamella 17 forms a pocket 21 with the outside 15 of the wall 14.
  • the cross-sectional area of the wall 14 decreases from a first wall section 14a having a first cross-sectional area via a transition section 14b to a second wall section 14c having a second cross-sectional area (see FIG FIG. 9 ).
  • the root portion 17b of the front fin 17 is disposed in the transition portion 14b (see FIG FIG. 9 ).
  • In the root area 17b are the slots 54 of the front lamella 17 (see FIG. 9 ).
  • the front lamella 17 has a substantially constant thickness.
  • the root portion 16a of the rear sipe 16 is disposed in the region of the transition between the first wall portion 14a and the transition portion 14b (see FIG FIG. 9 ).
  • the rear lamella 16 has an end 16b which is beveled outwardly towards the end wall 12 of the piston 10 (see FIG FIG. 9 ).
  • the surface of the end 16b is roughened, wherein the roughness is about 30 ⁇ m.
  • a circumferential elevation 16c is provided in a radial plane (see FIG FIG. 9 ).
  • the thickness of the rear lamella 16 in the region of the elevation 16c thus increases and then decreases again due to a weakening 16d, it becomes even smaller than the thickness in the root region 16a and then increases again approximately to the thickness in the root region 16a.
  • first reinforcing ribs 22 are molded on the inside of the end wall 12 . Furthermore, two webs 23 with a first web height h 1 and a first web thickness d 1 , which extend concentrically to the inner reinforcing ribs 22, are arranged on the inside of the end wall 12. On the side facing radially to the two webs 24 are provided with a second web height h 2 and a second web thickness d 2 , which also extend concentrically to the inner reinforcing ribs 22.
  • the first web height h 1 and the second web height h 2 are identical and selected such that the webs 23 and 24 protrude from the inside of the end wall 12 to the rear beyond the inner reinforcing ribs.
  • the front lamella 17 contacts the inner wall 32.
  • the rear lamella 16 is biased against the inner wall 32 (see detail X).
  • the rear sipe 16 is pressed inward, wherein between the annular protrusion 16 c and the inner wall 32, a gap 33 is generated.
  • the piston 10 is set and generates an internal pressure.
  • the rear lamella 16 yields in the area of the constriction 16d, so that the elevation 16c abuts against the inner wall 32 of the container 30 and seals.
  • Detail Z shows an extreme situation when pressing out, in which the front lamella 17 and the rear lamella 16 bend outward.
  • the front lamella 17 can lean on the rear lamella 16 and locks the piston 10 at least almost 100% and thus leaves no pasty substance, such as silicone, back out.
  • the rear blade 16 has in the sealing area (see detail X) such a selected rough surface that the air can flow out to the rear when setting the piston. This makes it possible to set the piston plane-parallel.
  • the in FIG. 9 shown piston 10 therefore has in deviation from that in the FIGS. 6 to 8 piston shown no webs 23 and 24. In principle, these are only necessary if the end 16b of the rear lamella 16 has no roughened surface.
  • the in the Figures 10 and 11 shown piston 10 differs from that in the FIG. 9 shown piston 10 in that the front lamella 17 on the outside in a radial plane circumferentially arranged at a constant distance webs 60 has.
  • the webs 60 extend at right angles to the direction of rotation of the front blade 17.
  • the webs 60 are designed so that they rest against the inner wall of the rear blade 16 when setting the piston. Thereby, the rear sipe 16 is pressed more outward against the inner wall 32 of the container 30. This in turn provides a better stripping behavior, especially when using a pure air gun.
  • FIGS. 12a) to 12i) show exemplary embodiments, arrangements and combinations of front fins 17 and rear fins 16 of a piston or Ring piston according to the present invention, wherein the in FIG. 12a ) embodiment shown in the FIGS. 6 to 8 shown embodiment corresponds.
  • the front in squeezing direction lamella 182 of the two outer fins 180 and 182 is like the lamella 17 of FIG. 7 formed and arranged and has slots 183.
  • the in the pressing direction rear slat 180 of the two outer slats 180 and 182 is like the slat 16 of FIG. 7 trained and arranged. Reference is therefore made in this respect to the above description.
  • the leading in Auspreßcardi lamella 188 of the two inner plates 186 and 188 extends substantially arcuately inwardly and has circumferentially spaced slots 183 on.
  • the squeezing out in the rear plate 186 of the two inner plates 186 and 188 extends to the end wall 176 of the annular piston 170 in substantially obliquely inward and forms with the front plate 188 of the two inner plates 186 and 188 a pocket 190.
  • the rear plate 186 of the two inner sipes 186 and 188 project radially inwardly beyond the front sipe 188.
  • the rear lamella 186 on its outer side a circumferential in a radial plane elevation 192 and further to the end of a constriction 194 on.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Tubes (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Disintegrating Or Milling (AREA)
  • Medicines Containing Plant Substances (AREA)
EP05850154A 2005-01-14 2005-12-15 Ringkolben für eine kartusche zum auspressen von pastösen substanzen Not-in-force EP1836100B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05850154T PL1836100T3 (pl) 2005-01-14 2005-12-15 Tłok pierścieniowy do tuby do wyciskania substancji o konsystencji pasty
SI200530309T SI1836100T1 (sl) 2005-01-14 2005-12-15 Obročast bat za kartušo, namenjen iztiskanju pastoznih snovi.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200520000531 DE202005000531U1 (de) 2005-01-14 2005-01-14 Kolben für eine Kartusche zum Aufbewahren und Auspressen von pastösen Substanzen und Kartusche mit demselben
PCT/DE2005/002259 WO2006074626A1 (de) 2005-01-14 2005-12-15 Ringkolben für eine kartusche zum auspressen von pastösen substanzen

Publications (2)

Publication Number Publication Date
EP1836100A1 EP1836100A1 (de) 2007-09-26
EP1836100B1 true EP1836100B1 (de) 2008-04-23

Family

ID=34895704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05850154A Not-in-force EP1836100B1 (de) 2005-01-14 2005-12-15 Ringkolben für eine kartusche zum auspressen von pastösen substanzen

Country Status (8)

Country Link
EP (1) EP1836100B1 (sl)
AT (1) ATE393102T1 (sl)
DE (3) DE202005000531U1 (sl)
DK (1) DK1836100T3 (sl)
ES (1) ES2308597T3 (sl)
PL (1) PL1836100T3 (sl)
SI (1) SI1836100T1 (sl)
WO (1) WO2006074626A1 (sl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11541416B2 (en) 2018-10-02 2023-01-03 Medmix Switzerland Ag Reusable cartridge piston

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017408A1 (de) * 2006-04-13 2007-10-18 Fischbach Kg Kunststoff-Technik Kartusche für auspressbare Massen
ATE474794T1 (de) * 2006-04-13 2010-08-15 Fischbach Kg Kunststoff Techni Kartusche für auspressbare massen
US7874464B2 (en) * 2006-09-07 2011-01-25 L'oreal Venting system for a product dispensing device
DE202008005097U1 (de) * 2008-04-12 2009-10-29 Fischbach Kg Kunststoff-Technik Kartuschenkolben
TW201029897A (en) * 2008-12-12 2010-08-16 Sulzer Mixpac Ag Cartridge piston
CA2690171A1 (en) * 2009-02-11 2010-08-11 Sulzer Mixpac Ag Cartridge piston with venting device
DE102018201748A1 (de) * 2018-02-05 2019-08-08 Anton Topic e. K. Kolben

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7627128U1 (de) * 1976-08-31 1977-01-20 Alcan Aluminiumwerke Gmbh, 3400 Goettingen Kolben vorzugsweise aus Kunststoff insbesondere für einen Massebehälter
DE3005855A1 (de) * 1980-02-16 1981-08-20 Alfred Fischbach Kg Kunststoff-Spritzgusswerk, 5250 Engelskirchen Bodenverschluss fuer einen hohlzylindrischen strangpressbehaelter
DE20319464U1 (de) * 2002-12-10 2004-04-22 Topic, Anton Kolben für eine Kartusche zum Aufbewahren und Auspressen von pastösen Substanzen und Kartusche mit demselben

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11541416B2 (en) 2018-10-02 2023-01-03 Medmix Switzerland Ag Reusable cartridge piston

Also Published As

Publication number Publication date
SI1836100T1 (sl) 2008-10-31
DK1836100T3 (da) 2008-08-25
PL1836100T3 (pl) 2008-10-31
DE502005003882D1 (de) 2008-06-05
DE202005000531U1 (de) 2005-08-25
DE112005003501A5 (de) 2007-12-27
WO2006074626A1 (de) 2006-07-20
ATE393102T1 (de) 2008-05-15
ES2308597T3 (es) 2008-12-01
EP1836100A1 (de) 2007-09-26

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