DE8229975U1 - Cylindrical container for pasty filling material - Google Patents

Description

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Wella Aktiengesellschaft j

Berliner Allee 65 f

61ÖO Darmstadt

Cylindrical container for pasty contents

The invention relates to a cylindrical container for pasty filling material with an outlet nozzle, one acting on the filling material to empty the container after externally exposed and by hand by means of a drive ' member to be actuated hollow piston and a cap provided for closing the outlet nozzle.

An extrusion container with a hollow piston, which is driven with the help of a mechanical drive means, e.g. the ram or The squeezing plate of a squeezing gun, is actuated, is | already known (DE-OS 30 05 855). The stamp or expression plate rests against the piston and enables the piston to be moved in the container, so that the filling material is pushed out of the container through the outlet opening. To actuate the piston is therefore a special one Device, namely a hand-operated punch or an extrusion gun in addition to the product container necessary.

The object of the invention is therefore to provide a container, the piston without such an additional

Device can be operated. These. Task is according to the invention solved in that the closure cap for the outlet nozzle is designed such that it can be placed on the hollow piston and then as an ^ drive element for moving the piston die.nt.

The use of the closure cap as a drive element for the piston of the container has the advantage that additional parts are saved and manufacturing costs are reduced. The individual parts of the container are simply designed and made of plastic so that they can be injection molded can be produced, which enables economical mass production.

In advantageous expansion of the invention recommends it is to make the cap bell-shaped and to be provided with a stand. This has the advantage that the container is also in its state of use can be turned off without the cap having to be removed from the piston beforehand. Only then If the container is not to be used for a long time, the cap is removed from the piston and over the The outlet nozzle of the container is pushed to prevent the product from drying out.

Further port formations and configurations as well as others Advantages of the invention can be found in the subclaims can be taken from the drawing and from the associated drawing description.

In the drawing, an embodiment according to the invention is shown, namely shows:

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Pig. 1 is a side view of the filled container with cap attached to the outlet nozzle, partly in cut,

Pig. 2 shows a longitudinal section through the emptied container with the container clamped onto the hollow piston

Sealing cap,

Pig * 3 the container when operated with your hand and

Pig. 4 shows a longitudinal section similar to Pig. 2 by a further embodiment.

The container consists of the cylindrical container jacket 1 with the displaceable hollow piston 2 and the funnel-shaped outlet nozzle 3 which is provided with an opening 3a and onto which the closure cap 4 is placed. The top 5 of the piston 2 is adapted to the funnel-shaped outlet nozzle 3, so that an almost complete emptying of the container is achieved. In the interior of the piston 2 radially arranged reinforcement ribs 6 are provided, the greatest height of which can be about 10 ° / ό of the largest outer diameter of the piston, so that only slight shrinkages occur in the radial direction when the piston 2, which is injection-molded from plastic, cools. However, through a suitable choice of a stronger material, the formation of reinforcing ribs 6 can also be dispensed with, as is the case with the embodiment according to Pig. 4 is the pail.

The closure cap 4 has an inwardly projecting and an axially conical one that widens outwardly

Port set 7 having a recess for centering the -> ■ outlet nozzle 3 during the attachment process. The closure cap also carries a hollow cylindrical pin 7a which is arranged concentrically to the extension 7 and which, when fitted, closes the opening 3a of the outlet nozzle 3 in a sealing manner. Furthermore, the closure cap is provided on its edge with a guide ring 8 with which the cap 4 on a | Shoulder 9 of the outlet nozzle 3 is clamped. The J guide ring 8 protrudes over the lower edge of the cap 4 '. Cap 4 and guide ring 8 form an annular groove j 10. In piston 5 there is also a guide ring 11, which protrudes slightly over the lower edge of piston 2 and has a bevel 12. On the circumference of the piston 2, two sealing lips 13 and 14 protruding away from one another are attached, which fit sealingly against the container wall so that no filling material can escape from the underside of the piston 2. Guide ring 11 and piston | 2 form an annular groove 15 »in the reinforcement ribs 16 i

and 17 are arranged. >

If the container is to be used to dispense contents, ■■

then according to Fig. 2 the cap 4 is removed from the \

outlet nozzle 3 withdrawn and pushed onto piston 2. ) '

With the aid of the cap 4 the piston 2 can now with the]

Press your fingers into the container so that ^

Filling material 18 is pressed out of the outlet opening; as can be seen from FIG. When putting the cap 4 on the piston 2, the guide ring 8 slides on the Guide ring 11 along »until the edges of cap 4 and piston 2 meet. The bevel 12 on the guide ring 11 makes it easier to put the guide on | ring 8. Me cap 4 has a base 19 so that I

the container after use on a table or the like. can be turned off for a short time. On the other hand, if the container is not used for a long time, the cap will 4 withdrawn from the piston again and placed on the outlet nozzle 3, so that this through the hollow cylindrical Pin 7a is closed and the filling material 18 in the container cannot dry out. The lower edge of the container jacket 1 is provided with a bevel 20 to allow the piston 2 to be pushed into the container to facilitate.

The invention is not limited to the embodiment shown in the drawing. For example 2 stops for the guide ring 8 of the cap 4 may be provided in the annular groove 15 of the piston. In In this case, the edges of the piston 2 and the cap 3 do not need to touch each other after they have been fitted. Yeah, yeah the outer diameter of the cap 4 can be chosen so that it is equal to the inner diameter of the container is, whereby the cap 4 also contributes to the guidance of the piston 2 in the container jacket 1 and improves this. Instead of To make the two diameters the same, spacer rings can also be provided on the circumference of the cap 4, which touch the container jacket 1 and thus ensure good guidance.

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List of reference symbols :

1 * tank jacket

2 hollow pistons

3 outlet nozzle 3 a opening

4- cap

5 piston top

6 reinforcement ribs

7 port set

7a hollow cylindrical pin

8 Guide ring of the sealing cap

9 shoulder

10 ring groove of the cap

11 Guide ring of the hollow piston

12 bevel

13 and 14 sealing lips

15 ring groove of the hollow piston

16 and 17 reinforcement ribs

18 Contents

19 stand space

20 bevel

Claims (12)

M · f * t 1 claims t 1. Cylindrical container for pasty contents with a Outlet nozzle, one that acts on the product to empty the container and is exposed to the outside and by hand by means of a drive member to be actuated hollow piston and one for closing the Outlet nozzle provided cap, thereby characterized in that the closure cap (4) is designed such that it can be placed on the hollow piston (2) and then serves as a drive element for moving the piston (2). 2. Container according to claim 1, characterized draws that the cap (4) is bell-shaped and a standing surface (19) for Has to put down the container *, 3. Container according to claim 1 or 2, characterized that in the closure cap (4) and in the hollow piston (2) cooperate with one another Guide rings (8, 11) are arranged in such a way that that when sliding the cap (4) onto the hollow piston (2) the edges of the cap Ulla KoIrtn together flee. ~ 7 - 4 »Container according to claim 1 to 3, characterized in that the guide ring (8 or 11) protrudes over the end of the cap (4) or the edge of the hollow piston (2). 5. Container according to claim 1 to 4, characterized that the edge of the guide ring (8) of the closure cap (4) and / or the edge of the guide ring (11) of the hollow piston (2) beveled (Paragraph 12) are. 6. Container according to claim 1 to 5> thereby g e ken.η draws that in the by the cap edge or the piston edge and the associated Guide ring (8 or 11) formed annular groove (10 or 15) reinforcing ribs (16, 17) are provided. 7. Container according to claim 1 to 6, characterized in that the outlet nozzle (3) is funnel-shaped and a shoulder (9) for clamping on the guide ring (8) of the closure cap (4) has » 8. Container according to claim 1 to 7, characterized in that the bell-shaped closure cap (4) an inwardly protruding extension (7) having a recess and an extension (7) arranged within it and concentrically to it, hollow cylindrical pin (7a) carries the opening (3a) of the outlet nozzle in the attached state (3) closes tightly. ^- 8 - * it · ι · · I 1 »* · · t ί t I · ' 9. Container iiäch claim 1 to 8, characterized in that the top (5) of the hollow piston (2) is adapted in its shape to the funnel-shaped outlet nozzle (3). 10. Container according to claim 1 to 9 »characterized ¹ · characterized i that the hollow piston (2) is provided with circumferential * diverging from one another Dißhtungslippen (13» 14), which cooperate sealingly with the container ^ wall. 11. Container according to claim 1 to 10, characterized in that the piston diameter ffaß is greater than the piston stroke. 12. Container according to one of claims 1 to 11, characterized in that iii the hollow piston (2) radially outwardly projecting reinforcing ribs (6) are formed, the greatest height of which is about 10 io of the largest outer diameter of the piston (2).