Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1990-03-30
1991-07-23
Coe, Philip R.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
153092, 134 72, 134126, 134128, 134131, 1984841, B08B 302
Patent
active
050331582
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to an apparatus for washing already oriented stoppers in a closed environment while retaining the orientation of the stoppers. Such an apparatus is used, for example, in the medicament industry for disinfecting or sterilizing stoppers which are to be used for closing medicament bottles and the like, and where it is important that the stoppers are clean so that they do not contaminate the medicament.
The apparatus in accordance with the invention is used as a step in conveying the stoppers, for example, to the station where they are to be put into the container which is to be closed, or to a sterilizer, and the apparatus is arranged after a plant for orienting the stoppers and after an apparatus for their quality and dimensional control.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an apparatus of the kind mentioned above, which guarantees reliable washing in a closed environment, and at the same time an apparatus which requires a minimum of space in the place where work is carried out and which does not prevent normal paths of communication.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will now be described in the form of an unrestricting embodiment example, illustrated on the accompanying drawing figures, where
FIG. 1 is a schematic side view of an apparatus in accordance with the present invention,
FIG. 2 is a detail section along the line A--A in FIG. 1,
FIG. 3 is a detail section along the line B--B in FIG. 1, and
FIG. 4 is a section along the line C--C in FIG 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT(S)
There is thus illustrated schematically in FIG. 1 a sectional view of the apparatus in accordance with the invention. Through a supply conveyer 2 the stoppers 1 for washing are taken from a plant where they have been oriented and checked and into the closed chamber 3, in which there is situated a washing station S. Inside the closed chamber 3 there is a chain conveyer including a chain 4, an upper chain wheel 5 having an unillustrated shaft passing out through the closed chamber and connected in some way to a drive motor for driving around the chain conveyer inside the closed chamber 3, a lower chain wheel 6 and a chain wheel tensioning sprocket 7. Profiled dogs 8 and support plates 9 are arranged on the links 4 of the chain, such that alternate links carry a profiled dog and the links therebetween carry a support plate 9. The profiled dogs 8 and the support plates 9 are fastened to the links of the chain 4 such that they project outwardly from the chain in relation to the chain wheels 5 and 6.
The supply conveyer 2 is suitably arranged as illustrated in FIG. 1, so that it opens out into the closed chamber 3 approximately opposite the lower chain wheel 6. The profiled dogs 8 and support plates 9 are rigidly attached to the chain 4, and thus when they pass a chain wheel 5 or 6 they will be mutually separated as illustrated in FIG. 1, and always be kept radially directed towards the center of the chain wheel. Where the supply conveyer 2 opens out into the closed chamber 3 the profiled dogs 8 are thus still somewhat separated, and therefore a stopper 1 can roll in between two dogs 8 and have its wider surface supported by a support plate 9. The dogs 8 are profiled so that when they are completely mutually parallel their profiles grip the wider part of each stopper 1. When the chain moves further so that it comes into its straight conveying part, the dogs 1 are mutually parallel, as mentioned, and clamp against the wider part of the stopper 1 for retaining it. With the aid of the chain 4 the stoppers 1 are conveyed upwards from the supply conveyer 2, along the lefthand part of the apparatus as illustrated in FIG. 1, to pass the washing station S. At the upper chain wheel 5 the profiled dogs 8 begin once again to separate and thereby release their grip on the stoppers 1, which were clamped by them during their upward travel. However, the stoppers 1 accompany the dogs around the greater part of t
REFERENCES:
patent: 1109517 (1914-09-01), Delgoffe
patent: 1178166 (1916-04-01), McCoe et al.
patent: 1212171 (1917-01-01), Beardsley
patent: 1655941 (1928-01-01), Dawson et al.
patent: 2352709 (1944-07-01), Haase
patent: 4125120 (1978-11-01), Standley
patent: 4165756 (1979-08-01), Sirch et al.
Coe Philip R.
Kabivitrum AB
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