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    • 13. 发明公开
    • Carpet underfelt
    • Teppichunterfilz
    • EP1091036A3
    • 2002-11-13
    • EP00203152.4
    • 2000-09-13
    • C M Kelly Limited
    • Kelly, Thomas Peter
    • D06C15/02D06N7/00
    • D06N7/0089D06C15/02
    • A method of treating an underfelt comprising felted thermoplastic fibres which comprises heating at least one surface of the felt sufficiently to soften the fibres, and then passing the felt through polished callender rollers whereby to callender and quench the softened thermoplastic surface of the felt to give a glazed finish. Preferably, the rollers are polished stainless steel rollers, which conveniently may be water cooled to give the best effect. Advantageously, to give optimum heat transfer, the felt is passed around about 90° of the surface of the roller The nip of the rollers is used to give control over the initial pressure and final thickness of the felt, whereas the increased angle of wrap increases the heat transfer and quenching and thus the glazing effect on the softened thermoplastic fibre surface. The underfelts treated in accordance with the invention are particularly useful in two distinct areas. Firstly, if the surface is lightly glazed, achieved by modest application of heat before callendering, the felt, when in place on the floor, allows a carpet to move more easily when being fitted In a second application, where more heat and pressure is applied, the surface can be callendered further until it is highly glazed and is almost impervious. This enables the finished carpet underlay to be stuck to the floor and for the carpet to be stuck to the underlay.
    • 15. 发明授权
    • COLLAPSIBLE DISPLAY FRAMEWORK FOR INDOOR OR OUTDOOR USE
    • 折叠结构为室内和室外使用展览
    • EP0830490B1
    • 2002-10-16
    • EP96914013.6
    • 1996-06-03
    • Grey, Stephen
    • Grey, Stephen
    • E04H15/46E04B1/19E04B1/32E04B1/344E04H15/58E04H15/32
    • E04H15/322E04H15/34E04H15/58
    • A collapsible support structure (10) for a cover means (20), the structure comprising at least three apex poles (11) with first ends pivotally connected together so that in use the poles (11) are moveable between a raised configuration in which the second opposite ends extend outwardly in different directions to create a pyramid shaped frame and a collapsed configuration. The structure also includes pairs of perimeter poles (25) with each pair forming an inverted V between the opposite ends of adjacent apex poles (11) when in the raised configuration and bracket means (16) comprising struts (18) which extend between and are pivotally attached to respective apex poles (11) intermediate their ends and a central flange means (12) whereby the first connected ends of the apex poles (11) and the central flange means (12) may be pushed toward each other to obtain the raised configuration or pushed apart to obtain the collapsed configuration and the apex poles (11) and perimeter poles (25) are pivotally connected so as to fold together into close substantially parallel positions when in the collapsed configuration, wherein the cover means (20) is attached to the support (10) by hook and loop means (60) and the connected perimeter and apex poles are secured in an open position by a releasably operated telescopic brace means (41) pivotally connected therebetween.