Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1995-01-27
1996-11-12
Huson, Gregory L.
Dispensing
With discharge assistant
Insertable cartridge or removable container
222386, B65D 8854
Patent
active
055731473
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a container with at least one closure means according to the preamble of claim 1.
The invention is particularly concerned with lubricant cartridges and caps for sealing same.
Today, consciousness towards the environment is greater than in the past and containers must fulfill high safety demands, particularly for substances which are detrimental to the environment.
Nevertheless, such containers should be simple and easy to produce at low costs and their handling should also be easy and simple, both as to filling, preferably fully automatic sealing as well as repeated sealing at great and maintained safety, even after repeated opening and closing operations. The closure means should even be able to resist outer and interior strain up to a certain level, so that leakage may be avoided with comparatively great security. Furthermore, the contents of such a container must be fed out in a simple and reliable way.
The previously known containers and their closure means do not fulfill these demands, at least not in combination.
Caps which are previously known in this technical field, serve as sealing means for a cartridge or the like between its filling and use. When using the cartridge, the cap is normally removed and thrown away and has, therefore no further function to fulfill.
Beyond this limited function, previously known caps suffer often from the drawback, that they do not seal the container sufficiently safely. Leakage may thus occur easily and frequently and often a full container and maybe even adjacent containers, the contents of which has leaked out, are thrown away, as it can be rather unpleasant to get hands, clothes etc polluted.
Apart from possible leakage, the previously known caps are nevertheless hard to remove, particularly caps which are not designed as screwcaps. If the caps are designed as screwcaps, i.a. increased material thickness is required as well as extra means to provide the cap with interior threads and furthermore extra means to provide the one cartridge end with outer threads.
SUMMARY OF THE INVENTION
One objective of the present invention is therefore to provide an advantageous container with at least one likewise advantageous closure means which, avoiding or counteracting the above-mentioned drawbacks, fulfills the above-mentioned demands in combination.
Another objective of the invention is to improve previously known containers and their closure means in various respects, particularly as to facilitating application of caps, guarantee the applied position of the caps in spite of considerable outer and/or interior strain, such as pressure, and to make possible a fast, easy and simple removal of said caps when so desired.
Furthermore, there should be material saving and great safety against undesired separation. Furthermore, there should be a positive effect on both separability and subsequent guiding, control and sealing, and the container as such should be designed to further such properties in a far- reaching way, whereby e.g. tolerances, shrinking etc shall be controlled.
These objectives are achieved according to the invention by a container and at least one closure means, respectively, of the initially described kind.
BRIEF DESCRIPTION OF THE DRAWINGS
Further characteristics of and advantages with the invention are revealed by the following detailed specification with reference to the accompanying drawings, which in a partly schematic way show preferred embodiments. In the drawings:
FIG. 1 is a diametrical axial sectional view of a first embodiment of a container according to the invention consisting of circular cylindric tube and two caps sealing same,
FIG. 2 is a partial diametrical axial sectional view of a second embodiment of a closure means according to the invention similar to the one of FIG. 1 but with a modified cap,
FIG. 3 is a partial diametrical axial sectional view of a circular cylindrical tube according to the invention sealed at the one end by a cap similar to the one shown in FIG. 2,
FIG. 4
REFERENCES:
patent: 3200986 (1965-08-01), La Grutta
patent: 3297193 (1967-01-01), Stevens, Jr.
patent: 3392873 (1968-07-01), Old, Jr.
patent: 3743131 (1973-07-01), Croyle et al.
patent: 4307817 (1981-12-01), Cotroneo
patent: 4640435 (1987-02-01), Dutt
patent: 5137184 (1992-08-01), Jackson et al.
Johnsson Karl-Eric
Nilsson Hugo
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