Presses – Reciprocating press construction – With material depositing means
Patent
1983-04-14
1985-09-24
Reeves, Robert B.
Presses
Reciprocating press construction
With material depositing means
100233, 100902, 209557, 209559, 209699, 209930, B30B 1530, B07C 534
Patent
active
045426899
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to the sorting of packagings of a certain type of material from packagings of other types of materials and more precisely to apparatus for sorting packagings in which the packaging is subjected to a compressive force and sorting is based on the deformation or the final shape thus given to the packaging and/or the magnitude of the compressive force used.
DESCRIPTION OF PRIOR ART
Sorting articles or goods according to such properties as size, shape, color, material, density, etc. is previously known. In sorting based on size or shape the actual dimensions of the articles or the goods constitute the basis for sorting.
DEOS No. 2 925 946 discloses a device for sorting objects in which sorting is based on the elasticity of the objects. A hammer drops onto the objects and they are sorted according to the magnitude of the rebound that occurs.
SUMMARY OF THE INVENTION
According to the invention the packaging is subjected to a compressive force in order to permit sorting of the packaging based on the magnitude of the employed force, power, energy and/or the deformation and final shape thus given to the packaging. Since the power and the energy used are both dependent on the compressive force (converted with regard to the instantaneous velocity and the path of the forcce) required during the compressing process, determination of the power and energy used constitutes a fundamental sorting criterion embraced by sorting based on the force employed.
In one version of the invention, sorting of the packaging is determined solely by the maximum compressive force used.
In an alternative version of the invention, sorting of the packaging is determined in part by the maximum compressive force used and in part by the shape of the packaging after compression.
In another alternative version of the invention the compressive force has a given maximum value and sorting of the packaging is determined by the deformation thus arising.
In still another alternative version of the invention the compressive force similarly has a given maximum value and sorting of the packaging is determined by its dimensions after deformation.
According to yet another alternative version of the invention the compressive force ceases when the packaging has assumed a predetermined minimum size, whereby the packaging is sorted into a special receiving member when the predetermined minimum size is attained as a result of a compressive force less than or alternatively greater than a given value.
In one version of the invention, the packagings are chiefly of cylindrical shape and the compressive force is applied substantially along the axis of the packaging.
In another version of the invention the power consumption during the compressing process is recorded while in still another version of the invention the energy used for compressing each individual packaging is recorded. When power consumption is recorded the compressive force used is calculated by means of conversion means, mainly of electronic type, taking into account the relative movements of the pressing members. It is of course possible in an alternative version to compare the measured power directly with the power consumption determined necessary for compressing packagings of the type of material in question. When energy consumption is recorded, the actual energy consumption is compared with the energy required to compress a packaging of the type of material in question. For example, in the case of measured energy within the interval which it has been determined characterizes packagings of the type of material in question the compressed packaging is accordingly classified among packagings which are sorted out. Such recording means are, in that case, incorporated in the power supply circuit for the drive member while the conversion means, for example, are also connected to indicating means showing the relative movement of the pressing members.
It will readily be realized that a device in accordance with the previous paragraph can easily be fitted with conversion mean
REFERENCES:
patent: 2912105 (1959-11-01), Allured et al.
patent: 3062130 (1962-11-01), Huber et al.
patent: 3412675 (1968-11-01), Killough et al.
patent: 3580167 (1971-05-01), Simshauser
patent: 3777659 (1973-12-01), McCarten
patent: 3780647 (1973-12-01), Reimers
patent: 3788466 (1974-01-01), Wilson et al.
patent: 3827351 (1974-08-01), Rosenow
patent: 4248144 (1981-02-01), Morgan
patent: 4316410 (1982-02-01), Davis, Jr.
Reeves Robert B.
Wacyra Edward M.
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