Package making – Closing packages and filled receptacles – Separate closure applying
Patent
1997-05-05
1998-12-01
Moon, Daniel B.
Package making
Closing packages and filled receptacles
Separate closure applying
53359, 53309, B65D 4500
Patent
active
058423222
DESCRIPTION:
BRIEF SUMMARY
The present invention refers to a closure member for crown cork applicators. A closure member of this type is already known in the case of which four observation openings are provided on the same level and are uniformly distributed over the circumference with four connecting bridges extending between them (German-Utility Model 83 08 616.1). By means of the four observation openings having the same size and an aperture angle of less than 90.degree., the longitudinal bore and the ejector provided therein can be examined to a certain extent and, if necessary, the "internal area" of the closure member bordering on the mouth of the respective vessel can be cleaned manually or mechanically or disinfected. An infection or contamination of the vessel or of the content thereof in the course of the closing operation can be prevented in this way.
It is the object of the present invention to substantially improve with the aid of simple means the examination as well as the cleaning and disinfection possibilities in the case of a closure member according to the generic clause.
According to the present invention, this object is achieved by the feature that an observation opening has an aperture angle of at least 180.degree..
The large observation opening defined in accordance with the present invention permits the best possible access to the particularly critical areas of the closure member. This optimum access is especially given, if, according to a further development of the present invention, the aperture angle of the observation opening is dimensioned such that the ejector is located completely within said observation opening.
Other advantageous further developments, which all contribute to a good accessibility and a simple, stable structural design of the closure member, are disclosed. Special emphasis is placed on the further development disclosed according to which only a single observation opening and a single bridge piece are provided. It turned out that, in spite of its "off-center" position relative to the closure cone, this bridge piece is easily able to transmit the forces in the order of 200 kgf occurring at the closure cone during the closing operation.
In the following, one embodiment of the present invention will be described on the basis of the drawings, in which
FIG. 1 shows a vertical section through a closure member,
FIG. 2 shows section A B according to FIG. 1.
The closure member 1 according to FIG. 1 and 2 includes a tubular housing 2 which is received in a vertically displaceable manner in a vertical bushing 3 of a rotatable top 4 of a crown cork applicator that is not shown in detail. At the lower end of the housing 2, which is provided with an outwardly projecting collar, a holding member 6 is releasably fastened by means of a sleeve nut 5, said holding member 6 having a U-shaped configuration when seen from the side. The holding member 6 is provided with a hollow-cylindrical projection 7 on the upper side of the horizontal upper leg; by means of said projection 7, it is centered in the bore of the housing 2. An outwardly projecting pin 8 is secured in position in said projection 7, said pin 8 engaging a recess 9, which is formed at the lower edge of the housing 2, so as to prevent any rotational movement. The upper leg, which constitutes part of the holding member 6 and which has a circular contour, is additionally provided with a vertical bore 10 extending concentrically with the central axis of the housing 2. The horizontal lower leg of the holding member 6 has also formed therein a vertical bore 11 extending concentrically with the central axis of the housing 2.
An annular closure cone 12 is secured in position in the lower bore 11 of the holding member 6, said closure cone 12 carrying out the deformation work when a crown cork is fixed to the mouth of a vessel. The upper bore 10 of the holding member 6 surrounds a rodlike ejector 13 in spaced relationship therewith, said ejector 13 being supported in the housing 2 in a vertically displaceable manner and being elastically fixed at its lower
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patent: 5150558 (1992-09-01), Bernhard
Krones Aktiengesellschaft Hermann Kronseder Maschinenfabrik
Moon Daniel B.
Paradiso John
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