摘要:
Le procédé et l'appareil décrits servent à produire des tubes flexibles de n'importe quelle longueur à partir de plusieurs bandes superposées (12) de caoutchouc et/ou de caoutchouc renforcé par des fibres textiles et/ou métalliques. L'appareil comprend une machine à enrouler (1) et un vulcanisateur (2) disposés en série sur un axe commun, le long duquel un tube noyau (3) peut se déplacer, les bandes (12) qui constituent les différentes sections du tube étant déposées sur le tube noyau, puis vulcanisées.
摘要:
Described are methods of making a paint roller using an adhesive made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. Described are methods of making a paint roller using preformed strips or core material made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. Described are methods of making a paint roller using a composite cover material made from a compound of polypropylene and calcium carbonate having between 5% and 50% calcium carbonate by weight. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process.
摘要:
Ein Wickeldorn (1) in einer Wickelvorrichtung zur Herstellung eines Auskleidungsschlauchs (2) zur Auskleidung von Kanälen und Rohrleitungen, welcher einen Innenfolienschlauch (4) und eine darauf angeordnete Lage aus wenigstens einem überlappend gewickelten Faserband (6) aufweist, das mit einem flüssigen Reaktionsharz getränkt ist, mit einem Grundkörper (8), an dem wenigstens zwei Führungseinrichtungen (10,12) aufgenommen sind, die jeweils einen endlos umlaufenden Riemen (14,16) umfassen sind, über den der Innenfolienschlauch 4 in einer Vorschubrichtung (A) bewegt wird, zeichnet sich dadurch aus, dass die erste Führungseinrichtung (10) gestellfest mit dem Grundkörper (8) gekoppelt ist, und dass der umlaufende Riemen (16) der zweiten Führungseinrichtung (12) in einer senkrecht zur Vorschubrichtung (A) verlaufenden Ebene bewegbar ist und durch Andruckmittel (18; 118) mit einer vorzugsweise im Wesentlichen konstanten Kraft von der Oberseite des Grundkörpers (8) weg gedrängt wird.
摘要:
An apparatus (100) for forming a laminate of pre-preg composite material comprises supply means (200) to supply pre-preg strip (400) to a stationary mandrel (300). The pre-preg strip (400) is formed into a tube (410) on the mandrel (300), and is driven to both rotate relative to the mandrel and to move axially along the mandrel. In this way it can be dispensed from an end of the mandrel (300) and formed in to a further pre-preg strip (420) with off-axis fibres.
摘要:
Described is a method of making a cover material from a pile material, and an adhesive. The material is then cut into strips. The strips are rolled about a mandrel. After application of the adhesive, a compressive force is applied to laminate the inner surface of the cover material and the strips together to make a product that can be fashioned into paint rollers.
摘要:
Described is a method of making a laminated paint roller wherein a perforated strip of thermoplastic material is advanced, the perforated strip having holes there-through. A lubricant is applied to the inner surface of the advancing perforated strip of thermoplastic material. The lubricated, perforated strip of thermoplastic material is helically wound around a cooled mandrel so as to form a helically wound strip wherein the inner surface of the perforated strip faces the cooled mandrel and the outer surface of the perforated strip faces away from the cooled mandrel. The wound perforated strip is advanced along the cooled mandrel. A layer of adhesive is applied onto an outer surface of the wound perforated strip. A strip of composite cover material is helically wrapped about the wound strip and over the layer of adhesive, the outer surface of the composite cover material comprising a pile fabric, and the inner surface of the composite cover material comprising thermoplastic. A compressive force is applied upon the composite cover material to urge the composite cover material, the layer of adhesive and strip of thermoplastic material together against the cooled mandrel, thereby laminating the inner surface of the composite cover material to the outer surface of the strip. A method of making a composite cover material is also disclosed.
摘要:
A mandrel (1) for providing a tubular article, comprising a supporting structure (2) for the sliding guiding of a side wall (3) constituted by a plurality of plate-like elements (4) which can move according to a rule of motion which provides for a forward stroke and a return stroke. The elements (4) are guided in a translational motion by way of the presence of members (5) for the coupling and guiding of the elements (4) to the supporting structure (2). The mandrel (1) comprises a plurality of actuators (6) which are functionally associated with the plate-like elements (4) for the controlled translational motion, along the guided path, of the elements (4) according to presettable rules of motion.
摘要:
An apparatus for the continuous manufacture of a mineral wool pipe section for insulating purposes, said apparatus comprising a core and an outer roller assembly surrounding it at least partially, said roller assembly including at least two rollers, whereby a wool mat of designated length between the core and the roller assembly is windable around the core for forming a pipe section preform, one end of the core being clear for removing a formed pipe section from the core, as well as curing elements for curing the pipe section preform prior to a removal from the core off the core's clear end. At least a portion of the core is screw-shaped, the advancement of a formed portion of the pipe section along the core and finally off the core taking place in response to rotational motions of both the core's screw- shaped portion and the roller assembly.