Package making – Wrapping machines – Cinched or wiped around initial wrap
Patent
1994-09-29
1996-04-09
Coan, James F.
Package making
Wrapping machines
Cinched or wiped around initial wrap
53215, 53587, B65B 1104, B65B 1156, B65B 2712
Patent
active
055050387
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The subject invention concerns an apparatus adapted to rotatably support at least one object.
BACKGROUND OF THE INVENTION
When wrapping objects in paper or plastics it is as a rule necessary to either lift or somehow turn the object on a working table top. This operation is an easy one only if the object has a cylindrical or almost cylindrical shape. On the other hand, if the object is more irregular or angular in shape it becomes a great deal more complicated to wrap the object. For instance, in order to apply a wrapping around a hearty box or a box-shaped bale of straw, the box or bale must first be lifted and placed in position on the wrapping sheet by means of a lifting aid whereupon the wrapping sheet is wound around the object to allow the package to be closed. An alternative way of applying the wrapping is to roll the object to which one end of the wrapping material has been attached, on the table top in such a manner that the wrapping covers the object. The wrapping is then closed about the object. However, rolling of the often angular or square object on the support is a hard and often laborious task, particularly if it is done manually. One solution to mechanize the wrapping procedure is to clamp the object in position at its short ends and to thereafter rotate the object so as to apply the wrapping about it. The object must then be deposited on a working top to allow closing at the short ends. This procedure is a time-consuming one.
PURPOSE OF THE INVENTION
The purpose of the subject invention is to considerably reduce the problems outlined above by creating a device designed to turn an object without fastening it. During its turning movement, the object is supported on a support face which runs round the object while the latter is being turned. In this manner, the entire surface of the object is accessible during the turning movement of the object and as a result the wrapping of the paper or plastics material about the object may be done during the very turning movement. In addition, all the various surfaces of the object become accessible during the turning movement so that text or other information may be applied thereon by means of stamping or otherwise.
SUMMARY OF THE INVENTION
The purpose outlined above is achieved in accordance with the invention in a device possessing the characteristics defined in the appended claims.
The device in accordance with the invention thus is essentially characterised in that the object is placed on a bight of a belt. The belt is provided with a number of support members and the object rests on said members and in some cases also on the belt. The belt travels around at least two deflection means and the support members are mounted on the outer face of the belt. The deflection means could be e.g. rollers or rolls. The length of the belt is sufficient to ensure that it encloses the object in the shape of a circle or, in the case of symmetrical bodies, that part of it encloses the object, in the intended direction of rotation. For, if the object is symmetrical in the direction of rotation, it suffices that the belt encloses a symmetrical part of the object. When this is the case, one or more sides, of an object having a square transectional configuration could in principle be enclosed by the belt. For a stable support of the object a one quarter enclosure of the object is not, however, sufficient. The support members are given a suitable shape by being configured in conformity with the object while the belt is positioned so as to encircle the object with the support members projecting radially inwards, so that at least one point on each and every support member abuts against the object. Instead of a belt, another circular body having the same radius may be used to effect the matching configuration of the support members. From a hypothetical position wherein a belt provided with support members encloses the object like a circle, the members then are positioned on the deflection means of the device and the belt is opened and is carried aro
REFERENCES:
patent: 621955 (1899-03-01), Anderson
patent: 1772164 (1930-08-01), Taft
patent: 1875567 (1932-06-01), Daniels
patent: 3262246 (1966-07-01), Olsen et al.
patent: 5003751 (1991-04-01), Ishikawa et al.
patent: 5259171 (1993-11-01), Hannikainen
patent: 5327706 (1994-07-01), Skole
Coan James F.
Rekordverken Sweden AB
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