Abstract: In a method for connecting bristles to a bristle carrier, each of which is made of thermoplastic material, at least the ends of the bristles are heated so that a reversal of the molecules from an oriented stretched form to a non-oriented balled form takes place and thereby forms a thickening on the bristle ends, upon which the bristles with their thickened ends are inserted into the melted bristle carrier until the melt of the carrier flows behind the thickened end whereby after hardening of the melt an interlocking shape connection is obtained between the bristles and the bristle carrier which joint may also include, in the case of corresponding work material pairs, a material bonding, the interlocking shape connection being independent of the type of materials used for the two parts.

Abstract: A device for applying liquid agents by synthetic bristles which, combined into bundles, are fixed on a plastic supporting base, with the supporting base being thin-walled and having several openings at least one of which is surrounded by a bundle of bristles. The bristles are butt-welded onto the supporting base, with the bristles leaving open a cross section of the opening and forming a duct tapering off toward the bristle ends, which duct leads or supplies the agent into a working area of the device.

Abstract: A handle having a sprung forked end with two branch arms in the form of a fork is releasably securable to a cleaning-implement body by engagement of the branch arms in apertures in the body by means of a clamping device which is movable with respect to said branch arms and includes a pivoting lever.

Abstract: A handle having a sprung forked end is releasably securable to a cleaning-implement body by engagement of the fork arms in apertures in the body by means of a clamping device engaging between said arms and being movable, by rotation, displacement or pivoting, to spread the arms apart or draw them together. Various forms of clamping device (comprising a cam disc and/or a slider, or a pivoting lever), various configurations of fork arms and various features of said body are described.

Abstract: A handle mounting for cleaning implements (brooms, scrubbers, squeegees or the like) comprises a forked connecting member whose fork arms are at one end securable to the head of the cleaning implement and at the other end, interconnected by a crosspiece, are inserted into one end of a tubular metal stem forming the handle or a portion thereof. The connecting member is secured in the stem by deformation of the latter between the two arms of the fork until the tube wall forms two layers, also by welding. The inserted parts of the fork arms, beyond the deformed end of the tube, are bent so as to bear on opposite faces of the tube wall. A cranked arrangement of the outer ends of the fork arms, for engagement with the cleaning implement, are described.