EP0863084A1 - Kit et sachet-recharge pour le dosage d'une poudre - Google Patents

Kit et sachet-recharge pour le dosage d'une poudre Download PDF

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Publication number
EP0863084A1
EP0863084A1 EP98101923A EP98101923A EP0863084A1 EP 0863084 A1 EP0863084 A1 EP 0863084A1 EP 98101923 A EP98101923 A EP 98101923A EP 98101923 A EP98101923 A EP 98101923A EP 0863084 A1 EP0863084 A1 EP 0863084A1
Authority
EP
European Patent Office
Prior art keywords
powder
bag
container
opening
area
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
EP98101923A
Other languages
German (de)
English (en)
Other versions
EP0863084B1 (fr
Inventor
Olaf Schreiber
Hans-Joachim Thon
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.)
Chemische Fabrik Dr Weigert GmbH and Co
Original Assignee
Chemische Fabrik Dr Weigert GmbH and 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 Chemische Fabrik Dr Weigert GmbH and Co filed Critical Chemische Fabrik Dr Weigert GmbH and Co
Publication of EP0863084A1 publication Critical patent/EP0863084A1/fr
Application granted granted Critical
Publication of EP0863084B1 publication Critical patent/EP0863084B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/566—Hand holes or suspension apertures
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/16—Bags or like containers made of paper and having structural provision for thickness of contents of special shape
    • B65D31/18—Triangular or conical bags
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture

Definitions

  • the invention relates to a bag for holding a powder and a kit for metering a powder into a solvent.
  • Powder dosing devices for dosing a powder into a solvent is known from prior public use and primarily serve to meter powder Cleaners in commercial dishwashing systems. They point in usually a powder storage container, a metering opening for Discharge of the powder from the container and a feed device for solvent (usually water) that the powder rinsed out through the metering opening.
  • the metering opening is located usually in the lower area of the powder container (usually on the floor) and is closed by a sieve. The powder is fed through this sieve rinsed out.
  • the feed device for the solvent can either above the sieve in the area of the powder bed be arranged or the mesh screen from below with solvent Rinse (water).
  • Cleaner can be refilled. This turns powder from one Refill container poured into a filling opening of the container. When refilling, powder dust can escape, moreover there is a risk that the powder will spill. Because cleaning powder often aggressive or otherwise harmful to health Refill is included associated with a hazard for the operating personnel.
  • the invention has for its object a safe and enable safe refilling of the powder storage container.
  • the invention relates to a bag for receiving a Powder passing through from the middle area of the bag downward tapering cross section and through a pouring opening arranged in the lower region of the bag is characterized by a flexible edge, the pouring opening through a plastic film with opposite the bag material reduced strength is locked.
  • the bottom of the bag is the one with area of the pouring opening through which the contents emptied the bag when used as intended shall be.
  • the opposite area of the pouch will accordingly referred to as the upper area, the one in between lying area, which is about the middle third of the bag may include as a middle range.
  • the cross section of the bag tapers from its central one Area down. This means that as intended filled with powder, the cross-sectional area of the Bag in the plane perpendicular to from the upper to the lower area pointing axis (longitudinal axis) larger in the middle than in lower bag area.
  • the pouring opening has a flexible edge. This means, that no reinforcing elements are provided, the form the edge of the pouring opening completely rigid.
  • the bag is made of a tear-resistant plastic film, this bag material can then advantageously immediately form the flexible edge of the pouring opening, the plastic film of reduced strength for closing
  • the pouring spout can be used directly with the bag material connected, in particular welded.
  • the plastic film closing the pouring opening has a reduced strength compared to the bag material.
  • the term strength here refers in particular to the Resistance to the penetration of a sharp-edged cutting device. This strength should preferably be designed in this way be that the weight of the filled bag or possibly a little additional pressure leads to a bottom Cutting device to be explained in more detail on impact on the bottom film closing the pouring opening cuts through and thus opens the pouring opening.
  • the bag according to the invention enables a very simple one Refill the powder storage container of a powder dosing device.
  • the filled and closed pouch is so in the reservoir introduced that the pouring spout sealing bottom film on the one to be explained below Cutting device in the reservoir hits.
  • the bottom sheet is severed.
  • the bag then becomes slow again lifted out of the storage container, it emptied through the pouring opening. The risk of spillage there is no powder or excessive dust formation.
  • the cross section tapering towards the pouring opening according to the invention ensures that the entire contents of the bag are covered by the Pouring opening runs out. Another purpose of this cross-sectional taper is that not all of the weight of the bag contents on the bottom film reduced strength works. Because of the rejuvenation, a significant Part of the weight forces at an angle to the pouring opening inwardly tapering side walls of the Bag made of stronger tear-resistant material, in particular a correspondingly suitable plastic film, consist.
  • the cross-sectional area of the bag is in the middle preferably 1.5 - 3 times, more preferably that 2 - 2.5 times the cross-sectional area in the tapered lower area.
  • such an area ratio causes one sufficient derivation of the weight of the powder content into the thicker side walls and on the other hand enables one sufficiently large pouring opening for rapid refilling of a Powder storage container.
  • the bottom film can, for example, be made of a PET / PE (polyethylene terephthalate / polyethylene) composite material consist.
  • PET / PE polyethylene terephthalate / polyethylene
  • the bag preferably has handle openings for better handling and / or a handle.
  • Can as bag material For example, PE, PET and PA films and composite materials be used from it.
  • the cutting device arranged in the container is positioned that the refill bag when inserted into the container hits it with its bottom film. It is preferred arranged in the area of the metering opening of the container, which is usually found in the bottom area of the container.
  • the cutting device preferably has a plurality of Blades that form the edges of a pyramid whose Tip protrudes towards the filling opening of the container.
  • When inserting of the refill bag its bottom film first meets the Top of this pyramid. Because of the small contact area causes the bag's own weight to be high Pressure of the cutting device in the area of this contact surface, enough to cut through the bottom film.
  • the cutting device creates the bag in the container three radially outward from the point of contact Incisions.
  • the pyramid formed is preferably so shaped to the surface adapted to the bottom film that these radial cuts up completely or at least close to the edge of the pouring opening pass.
  • the refill bag is then slowly lifted out, folds the divided into three segments by the cutting device Bottom film by the weight of the powder content, the contents of the bag are quickly emptied through the pouring opening in the powder container.
  • a metal sieve is attached at a distance of 30 to 100 mm.
  • the exact distance from the metal screen and metal cylinder depends on the pourability of the powder to be measured and should be slightly larger than the height of the cone.
  • the powder is poured onto the metal sieve and with the help of a plastic spatula is slowly pushed through the sieve.
  • the falling powder builds one on the metal cylinder Cone on. You pass powder through the sieve as long as until there is a geometrically uniform shape on the cylinder Cone has formed.
  • the strainer is removed and the height of the pouring cone. From this height and the diameter of the metal cylinder can the angle of repose of the powder be calculated. It is the angle that the cone shell with the face of the metal cylinder on which the powder cone rests, includes.
  • the powder metering device shown in FIG. 1 has one Powder storage container 1, whose lower part in the base 2 of the powder metering device is used.
  • the powder dosing container 1 tapers downwards and points one open floor.
  • the bottom area of the container is limited through a sieve 3 arranged in the base 2, the Design can be seen from FIGS. 3 to 6.
  • Below of the sieve 3 is a cone nozzle 4 which is arranged by a Water supply line 5 is fed.
  • the one in the dosing device resulting mixture or solution of powder with or in water is from the connector 6 and a dishwasher fed.
  • In powder 1 is one with sharp tops provided cutting device 7 arranged.
  • a PVC plate 8 is with inclined slots 9th trained passage channels provided.
  • the passage channels are arranged mirror-symmetrically to the line C-C.
  • Passage slots not in one half of the sieve plate 8 parallel to each other, but for example in shape of several rings concentric with each other. This arrangement in concentric rings can be due to the improved adaptation to the spray cone of the nozzle 4, the rinsability of the powder still improve.
  • Fig. 5 shows a second embodiment of the sieve.
  • the Sieve plate 10 here consists of Teflon. Because this material too cold flow tends, reinforcing ribs 11 are provided.
  • the 3 and 4 is for dosing an enzymatic cleaner is provided, the one has average grain size of about 1 mm.
  • the angle of inclination the passage slots 9 is 45 °, the inside width of the Slots 2 mm.
  • the angle of repose of the powder to be dosed is 60 °, which is slightly larger than the angle of inclination Through slots.
  • the powder container 1 is expediently refilled with the help of a refill bag shown in FIGS. 7 and 8.
  • the bag 13 consists of a plastic film, and is Provide handle openings 14 for better handling. Of the Cross section of the bag 13 tapers downwards in the direction towards the floor area 15.
  • the tapered bottom of the Bag is designed as a pouring opening through a Plastic film 15 with compared to the rest of the bag material reduced strength is locked.
  • the cross-sectional area of the bag in the middle area is approximately 1.5 to 3 times, preferably approximately 2 to 2.5 times the cross-sectional area in the tapered lower one Area (level E-E in Fig. 7).
  • the bag 13 is gripped at the openings 14 for refilling and placed in the powder container 1.
  • the cutting device 7 penetrates the bottom film 15 from the comparison to the remaining bag material softer material.
  • a bottom film is, for example, a thin film of a PET / PE (polyethylene terephthalate / polyethylene) composite material suitable.
  • the bag 13 is then slowly raised and empties through the slit bottom into the powder container 1.
  • the tapering towards the bottom of the bag Form ensures that the bag is emptied completely. To refill the entire contents of a bag with 3 kg of content you need about 15 s. Refilling happens clean and practically dust-free, without the There is a risk of powder spillage.
  • the powder in the container 1 rests on the sieve and is rinsed out if necessary by starting the nozzle 4 or dissolved and through the discharge opening 6 of the dishwasher fed.
  • the base 2 of the powder metering device can still one not shown in the drawing Have overflow, then through the water / detergent mixture can emerge when the discharge opening 6 clogs once should be.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Basic Packing Technique (AREA)
EP98101923A 1997-03-06 1998-02-04 Kit et sachet-recharge pour le dosage d'une poudre Expired - Lifetime EP0863084B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19709201A DE19709201A1 (de) 1997-03-06 1997-03-06 Kit und Nachfüllbeutel zum Eindosieren eines Pulvers
DE19709201 1997-03-06

Publications (2)

Publication Number Publication Date
EP0863084A1 true EP0863084A1 (fr) 1998-09-09
EP0863084B1 EP0863084B1 (fr) 2000-07-12

Family

ID=7822461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98101923A Expired - Lifetime EP0863084B1 (fr) 1997-03-06 1998-02-04 Kit et sachet-recharge pour le dosage d'une poudre

Country Status (3)

Country Link
EP (1) EP0863084B1 (fr)
AT (1) ATE194572T1 (fr)
DE (2) DE19709201A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10331465A1 (de) * 2003-05-21 2004-12-16 Aweco Appliance Systems Gmbh & Co. Kg Geschirrspülmaschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014805A1 (fr) * 1979-02-07 1980-09-03 Steiner Company International S.A. Système pour dispenser du fluide
FR2480731A1 (fr) * 1980-04-17 1981-10-23 Rutter Pongrass & Ass Distributeur de fluide
DE8205877U1 (de) * 1982-03-03 1982-06-03 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Verpackungsbehaelter
EP0281935A2 (fr) * 1987-03-12 1988-09-14 Tripp, Martina Dispositif pour le dosage d'un détergent dans une machine à laver la vaisselle
US5273190A (en) * 1992-07-27 1993-12-28 Lund William J Quick shot single barrel dispensing system
EP0653362A1 (fr) * 1993-10-21 1995-05-17 HILTI Aktiengesellschaft Emballage en forme de sachet en feuille avec tête distributrice

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014805A1 (fr) * 1979-02-07 1980-09-03 Steiner Company International S.A. Système pour dispenser du fluide
FR2480731A1 (fr) * 1980-04-17 1981-10-23 Rutter Pongrass & Ass Distributeur de fluide
DE8205877U1 (de) * 1982-03-03 1982-06-03 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Verpackungsbehaelter
EP0281935A2 (fr) * 1987-03-12 1988-09-14 Tripp, Martina Dispositif pour le dosage d'un détergent dans une machine à laver la vaisselle
US5273190A (en) * 1992-07-27 1993-12-28 Lund William J Quick shot single barrel dispensing system
EP0653362A1 (fr) * 1993-10-21 1995-05-17 HILTI Aktiengesellschaft Emballage en forme de sachet en feuille avec tête distributrice

Also Published As

Publication number Publication date
DE59800191D1 (de) 2000-08-17
DE19709201A1 (de) 1998-09-10
EP0863084B1 (fr) 2000-07-12
ATE194572T1 (de) 2000-07-15

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