Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1996-03-20
1998-02-03
Engel, James
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
156540, 156579, B32B 3100
Patent
active
057140359
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a correction tape dispenser for laving down a strip or band of correction composition onto a surface, most usually paper, e.g. to cover markings thereon to facilitate the correction of a mistake.
There are known correction tape dispensers which have supply and take-up spools for the tape mounted within a case to rotate about parallel axes with the supply spool being coupled to drive the take up spool through a slipping clutch arrangement. The case may be adapted to be held directly in the hand of the user, or it may form a cartridge which is inserted into a re-usable outer housing. A length of tape extending between the spools is guided to pass out of the casing and around an applicator head or tip having a relatively sharp edge which is used to press the tape against the surface onto which the correction strip is to be applied. The tape consists of a ribbon, e.g. of plastics or paper, on one side of which is carried a coating of the correction composition, this coating being on the outer side of the ribbon when it passes around the tip. In use, the device is held in the hand and the tip is pressed down onto the paper surface so that its edge presses the tape against the surface across the full width of the tape. The correction composition has an adhesive quality and has greater adhesion to the paper than to its carrier ribbon, so that when the tip is displaced across the paper surface in a direction perpendicular to the tip edge, the tip slides with respect to the ribbon causing tape to be drawn off the supply spool. The consequent rotation of the supply spool rotates the take-up spool so that a substantially constant tension is maintained in the tape and the take-up spool reels in the spent ribbon over which the tip has passed and from which the correction composition coating will have been deposited onto the paper surface. In this way a continuous strip of the correction composition is laid down onto the paper, this strip having a length according to the distance travelled by the dispenser tip.
The known correction tape dispensers operate satisfactorily as far as laying down the correction strip is concerned. However, they do require some practice to ensure that the tip edge is applied correctly against the paper, and the necessary orientation of the tip is maintained throughout the entire stroke of the tip across the paper surface. In particular, the tip edge must at all times lie flat against the paper surface for pressing the tape substantially uniformly against the paper across the full width of the tape. In the prior art correction tape dispensers currently available the applicator tip is substantially rigid with the dispenser body so that the user must hold the dispenser and maintain it at a precise orientation with respect to the paper in the course of laying down a strip of the correction composition. This drawback is exacerbated by the fact that the dispensers are generally arranged so that they must be held in an unnatural attitude relative to the paper due to the configuration and orientation of the body having regard to the direction of the tip edge.
In U.S. Pat. No. 4,671,687 there is proposed a correction tape dispenser with a tape applying tip which is pivotally connected to a body part to allow the tip to pivot about an axis which is transverse to the length of the tip edge. However, the pivot axis is defined at a substantial distance from the edge, where the tip is joined to the body.
The present invention aims to alleviate the drawback explained above and provides a correction tape dispenser having an applicator tip with an edge for pressing the tape against a surface, wherein the tip comprises a part connected to a supporting member by means permitting rocking pivotal movement of the tip about an axis extending transversely of the tip and crossing the tip edge at least in close proximity thereto. With the axis of the tip movement in close proximity to the edge, that is intersecting or very nearly intersecting the edge, an effective self-alignment between the
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Brine Aubrey C.
Engel James
Meegan Owen J.
The Gillette Company
Tobin Donal B.
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