Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – Plastic band
Patent
1996-01-29
1998-03-24
Brittain, James R.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
Plastic band
B65D 6300
Patent
active
057298718
DESCRIPTION:
BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a national phase application based on PCT/DE94/01020 filed Sep. 3, 1994 and based, in turn, on German application P 43 33 317.6 filed on 30 Sep. 1993 Under the International Convention.
FIELD OF THE INVENTION
The invention relates to a device for securing wraparound packaging material, such as strips, foils and similar web-shaped or strip-shaped flexible elements, for packs or stacks of individual goods, such as stones or similar cube-shaped products.
Such a device is known from U.S. Pat. No. 4,958,414.
Further from the DE 91 08 921 U1. There the locking mechanisms have not proven to be very useful in practice, since the handling of the securing devices is cumbersome, and their construction and arrangement are complicated and not very durable.
OBJECTS OF THE INVENTION
It is the object of the present invention to create a device having a simple construction; and of safety against unintentional opening.
SUMMARY OF THE INVENTION
The inventive device has the web-shaped or strip-shaped element has a joint area running across the wrapping direction, which can be bridged by the securing device, whereby the securing device consists of locking strips which are detachably connected to each other and which have interlocking draw-in and clamping means plus a handle, one element of which is attached to the free end of one locking strip, while its other element is attached to the free end of another locking strip working in conjunction with the first, or is formed by the second locking strip.
A locking part with a housing traversed by the insertion channel provided with the bendable arm which is affixed to one housing wall. The bendable arm be provided with at least one transversely projecting pin and a handle which is rotatable about an axis parallel to the pin is equipped with a guide cam resting against the pin, which in the open position keeps the pin and thereby the arm in an out-of-engagement position away from the insertion channel, releases the pin in the engagement position, so that the arm with its lock catch engages in the locking teeth of the first element, and in the closed position locks the pin in the engaged position.
Thereby it is advantageously provided for the handle to extend parallelly to the insertion channel and its free end be pointed towards the end of the insertion channel, which faces away from the point where the insertion starts.
The housing together with the bendable arm is easily made of plastic material, whereby the handle can also be made of plastic material and can have pivots on both sides, which are insertable in corresponding recesses of the housing and form the rotation axis of the handle. The construction of the first and second element is extremely simple, whereby the second element is a component of simple construction, which consists merely of two parts, namely of a housing part with an insertion channel and an arm formed thereon and the handle supported swingably or rotatably on the housing part. The housing part can be secured in a suitable manner to the other locking strip or to the wraparound packaging material itself, which consists of a web-like or strip-like material. The handling is extremely simple. In order to tie down such wraparound packaging material, the strip-shaped part with the locking teeth is slipped into the insertion channel of the securing part, whereby the handle and therewith also the arm are in the insertion position, wherein the arm extends into the insertion channel due to its inherent preliminary stress. During the passage of the locking teeth the arm is respectively lifted and lowered, corresponding to the teeth succession, which is made possible by the elasticity of the arm.
After reaching the target position, the arm can be locked in place by rotating the handle, so that its elastic swinging motion is stopped. If the corresponding wraparound packing is to be opened, the handle is swung into the opening position, whereby the arm is swung out of engagement in opposition to its own
REFERENCES:
patent: 4958414 (1990-09-01), Benoit
patent: 5230541 (1993-07-01), Nowak
patent: 5377510 (1995-01-01), Smith
Brittain James R.
Dubno Herbert
Kateshov Yuri
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