DE1657165A1 - Container - Google Patents

Description

P -ifentanwälte

:) 'oi mi ^ιΛ ' · .- ^; r? v! e! '; sre <Munich, 2ο · February 1968 OiM. : · <\ ; -! ~; 'Hert ^ν .-: ν.: Ί'-. ^: ν __

t \ i. ■ v- {■ -, at ^Cr

Puncher, d. Valley ⁷ I.

Waddington & Duval (Holdings) Ltd «, Putney (England)

container

The invention relates to containers and relates to the closure or pouring of containers, in particular of blow molded containers

In the case of a blow molded container, the neck of the spout is made in one piece with the container body « Difficulties have arisen in making a closure for the neck that is easy to remove or should be open to remove the contents of the container, but the closure by an unauthorized person Person can neither be removed nor opened without a next user noticing that the contents of the container used or contaminated.

These difficulties are overcome according to the invention in that the neck has an annular recess on the inside and a tubular closure part is provided with a flexible hook edge which, when the closure part is inserted can be snapped into the neck in the recess, and that the bore of the closure part by means of a membrane is completed, the one with a handle to tear out the membrane is provided »

00988A / 0 1QB BAD ORjQ _iNAL

The membrane is preferably keyhole-shaped in order to To facilitate the flow of air pressure into the container when the contents are removed.

The closure part can easily be pressed into the container neck, whereby the flexible hook edge is deformed and then snaps into the recess and prevents the closure part from being removed again later can be.

The membrane effectively prevents the contents from drying out until they are torn out to protect the contents of the To use the container · A repeated closure can then for example by means of a cap or the like. take place, which is placed on the neck or inserted into the end of the closure part.

The drawing illustrates an embodiment of the invention.

Figure 1 is a section through the neck of a blow molded plastic container;

fig «2 a section through the associated Locking part;

Fig. 3 is a plan view of Fig. 2.

From Fig. 1, the upper wall 2 of a blow molded container can be seen, the neck 4 of which is molded directly onto it is. The neck 4- has an annular recess on the inside, its upper part 8 has a smooth inner wall

The closure part 1o shown in Fig. 2 and 5 is used for insertion into the neck 4- and forms with the smooth inner wall of the part 8 a plug-like closure _a the lower

009 884/0 1 08

End of the closure part 1o has an outwardly protruding, flexible hook edge 12 which is pressed radially into the neck 4 when the closure part 1o is inserted is, but then jumps outwards again and snaps into the annular recess, so that it is not possible to pull out the locking part 1o

The bore of the closure part 1o is closed by means of a membrane 14 which has a tear line 16 has to delimit a keyhole-shaped part 18 which can easily be torn out by the handle 2o is"

If the closure part sits in the container neck, the content can not dry · If the Inh be _a lt removed, the portion 18 is torn out of the diaphragm 14 so that a schlüssellcchförmige opening is created through which the contents of the container can be poured out, wherein by the air can flow into the container through the narrow part of the opening, while the contents flow out through the further part.

The container can then be temporarily closed again by means of a cap 22, which is snap-fit can be pressed into the closure part 1o and hangs from the closure part 1o by means of a strip 24 · A handle on the cap 22 is used to pull it out of the closure part. A conventional screw cap can also be used which is screwed onto an external thread of the neck 4 *

009864/0

Claims (1)

Pit attorneys Dipl. Im. ''.; · I "« r- ^: · iner Dipl. My. Ler3i - .. l TUcner Münoh "n _t 2o · February 1968 Munich office
Munich 2, valley 71 Claims 1 · Container with molded «, neck, thereby characterized in that the neck (4) inside a has an annular recess (6) and a tubular closure part (io) with a flexible hook edge (12) is provided which, when the closure part (1o) is inserted can be snapped into the neck (4) in the recess (6), and that the bore of the closure part (1o) means a membrane (14) which is provided with a handle (2o) for tearing out the membrane (14) 2 «container according to claim 1, characterized characterized in that the membrane (14) or a part (18) delimited by a tear line (16) the same is keyhole-shaped and the handle (2o) a pull handle protruding upwards is " 5. Container according to claim 1 or 2, characterized marked that the locking part (io) is provided with a removable cap (22) 009884 / 01Ό 8