A method for improving the heat sealability of a packaging material and a method for manufacturing a heat-sealed container or package are described. The material can be polymer-coated packaging paper or cardboard, or a polymeric packaging film. The material includes a polymer layer that contains polyester, particularly polylactide, the heat sealability of which is improved by ultraviolet radiation. Polylactide is useful as such or when blended, for example, with other biodegradable polyester. The containers and packages thus manufactured include disposable drinking cups and cardboard carton and box packages.

A coated fabric (11), comprising a fabric (12) from polymer tapes (12a, 12b), wherein the fabric (12) is coated with a sealing layer (13), wherein at least a portion of the polymer tapes (12a, 12b) have a breaking tenacity of less than 45 cN/tex, preferably 15 to 40 cN/tex and an elongation at break of more than 30%, preferably of 40 to 90%, and/or wherein the sealing layer (13) is formed from a composition A comprising at least one ethylene/-olefin interpolymer, and wherein the composition has a density from 0.905 to 0.930 g/cc, preferably from 0.910 to 0.930 g/cc (1 cc=1 cm.sup.3), and a melt index (12) from 3 to 20 g/10 min and a bag comprising said fabric; a packaging machine (100) for filling gusseted (220) bags (10, 200) wherein the bag walls (202) of the bags (10, 200) consist of a woven fabric (11) of polymer tapes (12a, 12b) at least in part and wherein each of the ends (203, 204) of the bag wall (202) is provided with a filling mouth (211) for filling, wherein a closing device (125) is provided which is structured such that as the filling mouth (211) is closed a welding temperature of at least 50 Kelvin higher in the region of the gussets (220) than in a center region (223) of the bag wall (202) can be generated.

An induction heating tool that holds voltage or current supplied to the induction tank circuit constant and tracks changes in the other of voltage or current during each induction heating cycle. The disclosed induction heating tool exploits the fact that the resistance an attachment plate increases along with the temperature of the attachment plate. During an induction heating cycle, the attachment plate is magnetically coupled to a work coil and the resistance of the attachment plate is reflected to the circuit. Changes in the resistance of the attachment plate alter the pattern of energy delivery from the work coil to the attachment plate in a predictable way. Calculations accurately predict the temperature of the attachment plate over a wide variety of ambient conditions, including the presence of moisture at the membrane/attachment plate interface. The disclosed induction heating tool produces consistent results without calibration for ambient conditions.

Provided is an electric power control apparatus of an electrofusion coupling pipe using a conductive polymer composite as a heating element and a method of controlling electric power using the same. The electric power control apparatus supplies electric power to the electrofusion coupling pipe using a conductive polymer composite as a heating element to detect resistance variation of the conductive polymer composite and then controls electric power supplied to the synthetic resin pipe electrofusion coupling pipe on the basis of the detected resistance variation.

An endless conveyor belt loop includes a conveyor belt that has an elongated body and a substantially uniform width. The ends of the conveyor belt each include a splice formation extending across the width of the conveyor belt that are each configured to mate with the other. A thermoplastic connector is thermally engaged between exposed surfaces formed by the splice formation at the ends of the conveyor belt. When the splice formations are aligned, the thermoplastic connector is thermally engaged and continuously interconnected between the ends for conveyor belt to form a seamless end connection. The thermoplastic connector comprises a thermoplastic copolyester elastomer.

An endless conveyor belt loop includes a conveyor belt that has an elongated body and a substantially uniform width. The ends of the conveyor belt each include a splice formation extending across the width of the conveyor belt that are each configured to mate with the other. A thermoplastic connector is thermally engaged between exposed surfaces formed by the splice formation at the ends of the conveyor belt. When the splice formations are aligned, the thermoplastic connector is thermally engaged and continuously interconnected between the ends for conveyor belt to form a seamless end connection. The thermoplastic connector comprises a thermoplastic copolyester elastomer.

In a vehicle lamp of the present disclosure, a lamp body is made of an acrylonitrile styrene acrylate (ASA) resin, which has a glass transition temperature lower than that of a poly(methyl methacrylate) PMMA resin constituting a light transmissive cover. That is, with respect to the glass transition temperature Tg1 of the PMMA resin constituting the light transmissive cover, the glass transition temperature of the ASA resin constituting the lamp body is set to Tg1>Tg2. Thus, it is possible to generate not a tensile residual stress but a compressive residual stress in a welding portion between the lamp body and the light transmissive cover, thereby enhancing the solvent resistance of the light transmissive cover. And, thus, an annealing process after the welding is unnecessary, or simply performed.

An apparatus and method for operating a staking assembly includes a housing defining a machining passage having a longitudinal axis, an actuator rod disposed for axial movement along the longitudinal axis in the machining passage, having a first end configured to connect to a linear-reciprocating source of movement and a second end having a tool configured to deform a boss, and an air source configured to selectively provide a source of heated air.

The present invention relates to a method for producing thermosetting components from two or more semifinished composite-material products with textile fibre reinforcement and matrix material, wherein the semifinished composite-material products are fully consolidated, with the exception of local regions, and are brought into contact at the partially consolidated (gelled) regions (201, 211, 221, 241) such that the matrix material of the partially consolidated regions (201, 211, 221, 241) bonds and the regions joined together in this way are subsequently fully consolidated. Furthermore, a device which is suitable for producing the semifinished composite-material products is disclosed.

An induction heating tool that holds voltage or current supplied to the induction tank circuit constant and tracks changes in the other of voltage or current during each induction heating cycle. The disclosed induction heating tool exploits the fact that the resistance an attachment plate increases along with the temperature of the attachment plate. During an induction heating cycle, the attachment plate is magnetically coupled to a work coil and the resistance of the attachment plate is reflected to the circuit. Changes in the resistance of the attachment plate alter the pattern of energy delivery from the work coil to the attachment plate in a predictable way. Calculations accurately predict the temperature of the attachment plate over a wide variety of ambient conditions, including the presence of moisture at the membrane/attachment plate interface. The disclosed induction heating tool produces consistent results without calibration for ambient conditions.