Faller bars
AssigneePlastex (Bradford) Limited
InventorNorman Rushworth
Life of this patent
Estimating the term…
Abstract
In order to overcome problems associated with the fitting of a pinned plastics strip into the bar of a faller bar, hot melt adhesive is applied to the strip before the strip is placed in the groove in the bar, and the adhesive is activated by heat derived from the bar. The bar may be already heated when the strip is fitted into the groove, although it could be heated after the strip has been placed in the groove.
Claims3
A method of manufacturing a pinned strip-type faller bar comprising the steps of:
- (a) applying a hot melt adhesive in molten condition to at least one of the flanks of a pinned plastic strip, the adhesive having a low melting temperature such that in its molten condition the adhesive will not damage the plastic strip;
- (b) allowing the adhesive to solidify on the pinned plastic strip;
- (c) heating the faller bar;
- (d) placing said pinned plastic strip in the groove in said faller bar;
- (e) activating the adhesive by heat derived from said faller bar to cause the strip to adhere thereto.
A pinned plastic strip for use in a grooved pinned strip-type faller bar, comprising an elongate plastic strip of rectangular cross-section, the depth of the strip being greater than its width, and adapted to be received in an elongate slot formed in a faller bar body, there being a plurality of metal pins arranged in at least one longitudinal row, the roots of said pins being embedded in said plastic strip and the pointed ends thereof projecting from said plastic strip, said pinned plastic strip having a solidified heat-activated adhesive layer applied to at least one of its flanks, whereby said pinned plastic strip can be secured in the groove of the faller bar by heat-activation of said adhesive layer.
Dependencies are inferred from the claim text.