Abstract:
The invention relates to the production of composite insulators consisting of a shank in the form of a bar or a tube, which is provided with a covering and which comprises plate-like screens which are distanced from each other. The covering and the screens are made of an elastomer material with high insulating qualities. As a result, the number, distance, form and size of the screens can vary from insulator to insulator. According to the invention, at least one injection mould (10a, 10b, 11a, 11b, 12a, 12b, 13a, 13b) for injecting a screen (2, 3, 4, 5, 19, 20, 21, 22) is arranged downstream from a device which is used to provide the shank (1) with a covering. The injection mould can be advanced in order to inject a screen upon the shank and opened in order to unmould said screen. An advancing device is also provided in order to displace (16) the shank (1) or the screen mould. Each time the shank (1) or the screen mould is displaced, the position of the latter with respect to the shank enables a subsequent screen to be injected.
Abstract:
Filamentary fastener (11) and method of making the same. According to one embodiment, the method comprises the steps of (a) providing a length of stretched flexible filamentary material (13), (b) insert molding a cross-bar (15) onto the length of stretched flexible filamentary material (13), (c) insert molding a paddle (17) onto the length of stretched flexible filamentary material (13), the paddle (17) being spaced apart from the cross-bar (15), and (d) removing any stretched flexible filamentary material not located between the paddle (17) and the cross-bar (15) and the paddle (17) may or may not be made of the same material as the stretched flexible filamentary material (13). Preferably, the stretched flexible filamentary material (13) is made of a plastic, such as propylene, nylon, urethane and combinations thereof.
Abstract:
The invention provides for a package device (1) for an elongate medical device. The device (1) includes a conduit or tube (10) arranged in a coiled configuration (20). At least one over-molded tubing connector (30/40) is structured and arranged to maintain the coiled configuration (20). At least a portion of adjacent curved sections of the coiled configuration (20) not covered by the at least one over-molded tubing connector (30/40) contains substantially no gap or spacing. A method making the device (1) includes arranging a conduit or tube (10) into a coiled configuration (20) inside or within a mold (M) and over-molding plural tubing connectors (30/40/OC) onto the coiled configuration (20).
Abstract:
Workpieces are treated in a manufacturing process, where separate workpieces are formed by solidification of liquid or viscous material in a mould (302). The successive workpieces form a band, in which a reinforcement (301) of a material other than the material to be solidified is interposed between the workpieces to enhance the mechanical strength of the band. A reinforcement (405, 406, 1401, 1402) comprising two parallel elongated means are interposed between successice workpieces with the parallel elongated means passing through the mould (302). The liquid or viscous material to be solidified is introduced into the mould over a given point (501, 1405, 1415) located between said parallel elongated means. An attachment (403, 606, 702, 1406) is formed between each workpiece and said parallel elongated means in the parts of the mould through which said parallel elongated means pass.
Abstract:
Creation of a spacially ordered system of hollow polymer fibres and fixation thereof in polymer edges (selvedges) made of a polymer are carried out in a combined device employing immediately successive steps in such a way that the hollow polymer fibres are wound off from separate creel reels and the entire hollow fibre system is parallelly fed in an ordered state directly into an open mould located in an injection module. After closing the mould, a reactive mixture is injected into the mould to form the polymer edges, which fix the position of the hollow polymer fibres. The production of the primary element of the heat-transfer surface area for a heat-exchanger or the primary element for the separation module is finished by separating a part of the edges in the direction crosswise to the direction of the hollow polymer fibres by cutting or by a combination of cutting and breaking.
Abstract:
A method for manufacturing a set of elastomeric parts to be mounted on articles, said method comprising the steps of providing a substrate strip (4), at least one moulding cavity (5), and a moulding material (10), and repeating : moving the substrate strip into said cavity while the latter is open, closing the moulding cavity, injecting said moulding material therein, opening the cavity after curing and ejecting the moulded part (3), wherein the moulded part (3) comprises a usable section (1a) adapted to be detached from the substrate strip (4) to be mounted on an article (6), and a support (2) overmoulded on said substrate strip (4) and joined to the usable section (Ia) by a breakable link (7).
Abstract:
A fastener (11) for attaching a button (B) or the like to a garment (G) or piece of fabric is provided, the button (B) having an outer surface (B0) and two or more holes (B1, B2). The fastener (11) comprises a U-shaped filament (13), a first foot (21) at one end of the filament (13), and a second foot (23) at the opposite end of the filament (13). The fastener (11) is constructed of plastic except for the filament (13) or at least a portion thereof which is made of thread. The first foot (21) and the second foot (23) are appropriately dimensioned so as to be insertable through two holes (B1, B2) in the button (B) as well as through the garment (G) in such a way as to be retained by the underside of the garment (G). The length of the portion of the filament (13) made of thread is sized so that when the first (21) and second (23) feet of the fastener (11) are inserted through the buttom holes (B1, B2) and the garment (G), only thread is visible over the outer surface (B0) of the button (B) so as to give the illusion that the button (B) has been attached to the garment (G) or piece of material using only thread. In one embodiment of the present invention, the first (21) and second (23) feet are in the shape of elongated bars perpendicular to the filament (13).
Abstract:
In a sawing cord the three constituting elements of steel cord, sawing bead and sleeve polymer in between the beads must work optimally together. In order to improve the injection moulding quality the inventors disclose an injection mould wherein the injection channels inject polymer from opposite sides of the steel cord into the injection cavity. The injection mould comprises two half moulds that form the injection cavity when closed. Different preferred embodiments are described inclusive the use of channels having a tree structure, preferably a binary channel tree, preferably a balanced binary tree and most preferred a balanced binary tree with equal length pathways from feed channel to each injection channel. The use of heated channels is disclosed and the rules for balancing between the number of heated versus non-heated channels are explained. Furthermore the method to use such mould and the product resulting from the use of the mould are claimed.
Abstract:
The invention relates to an arrangement, in particular a plug connector with at least one electrical conductor (19 ), with a housing (1), which comprises a guide element ( 3 ) for at least one end piece of the conductor, wherein the conductor is passed through the guide element, wherein the housing comprises a sub-housing (11) with a feed- through (12), wherein the guide element is inserted into the feed- through, and wherein the housing comprises an injection moulding ( 34 ), which connects the guide element and the sub-housing together.