Abstract: A cartridge type heater (10, 20, 30, 40) with a jacket pipe (11, 21, 31, 41) including metal and with an electric heating element (32), which is arranged within the jacket pipe (11, 21, 31, 41). At least one terminal lug (14, 24, 34, 44) is connected in one piece to the jacket pipe (11, 21, 31, 41).

Abstract: An electric heater (100, 200, 300, 400, 500, 600) includes a metal sheath (101, 201, 301, 401, 501, 601) defining an interior space, an electric heating element, arranged in the interior space, an insulating material filling and electric terminals. At least one electric terminal is a plug contact (108, 109, 208, 209, 308, 309, 408, 409, 508, 509, 608, 609) made in one piece, which has a section (108b, 109b, 208b, 209b, 308b, 309b, 508b, 509b, 608a, 609b) arranged in the interior space with a contact point (110, 111, 210, 211, 310, 311), which is arranged in the interior space and at which the plug contact is connected conductively to the electric heating element directly or via an auxiliary wire (212, 213, 312, 313, 612, 613). A process for manufacturing such an electric heater is provided.

Abstract: An electric heater (100, 200, 300, 1600, 1700, 2200) has an outer jacket (101, 201, 301, 1601, 1701, 2201) and an electric heating element (102, 202, 302, 2202), which can be supplied with an electric current by at least one connecting wire (106, 107, 206, 207, 306, 307, 406, 506, 606, 706, 806, 906, 1006, 1106, 1206, 1306, 1406, 1506, 1606, 1607, 1608, 1706, 1806, 2206, 2207), arranged at least in some sections within the outer jacket (101, 201, 301, 1601, 1701, 2201). The connecting wire (106, 107, 206, 207, 306, 307, 406, 506, 606, 706, 806, 906, 1006, 1106, 1206, 1306, 1406, 1506, 1606, 1607, 1608, 1706, 1806, 2206, 2207) has a cavity, in which a section (104, 105, 204, 205, 2204, 2205) of the electric heating element (102, 202, 2202) or an electric feed line (330, 331) to the electric heating element (302) is accommodated.

Abstract: A temperature sensor (100, 200, 300) has a thermocouple (101), with a measurement point (102), and a holder (103), with a contact surface (152) and an opening (104). Electric connections (105) of the thermocouple are led through the opening, starting from the measurement point. A first metal jacket (106) is arranged on the contact surface or passes through such that an interior (107) of the first metal jacket is connected to another side of the holder and the measurement point is arranged in an interior (108) of a second metal jacket (109). The second metal jacket is located at least with one section (110) in the interior of the first metal jacket and can be or is connected at least by a partial area of this section to the first metal jacket such that the second metal jacket is fixed in its position relative to the first metal jacket.

Abstract: A temperature sensor (1) has a sensor element (2), a carrier plate (4) and a contact surface and at least one electric feed line (3), which is routed, starting from the sensor element (2), through an opening (5) in the carrier plate (4). A guide element (8), through which the electric feed line (3) is routed such that at least the end of the routed section of the electric feed line, which end faces the sensor element, is located at a spaced location from each section of the carrier plate in the direction at right angles to the contact surface and is secured against displacement in each direction except in the directions in which the electric feed line (3) extends, is arranged on the side of the carrier plate (4) located opposite the contact surface or on a front side of the carrier plate (4).

Abstract: A heating device (100, 200), which can be arranged at an object (101, 201) to be heated, especially an injection molding die, has an inner jacket surface (111, 211) and an outer jacket surface (112, 212), with a heating element (105, 205) and with a thermocouple (103, 203). The thermocouple (102, 203) has at least one positioning section, in which the cross section of the thermocouple (103, 203) deviates in at least one direction of the cross-sectional area from the cross section of at least one section of the thermocouple (103, 203) located adjacent to this positioning section. The heating device (100, 200) has at least one device for locking this positioning section against displacement in and/or opposite to the direction in which the thermocouple (103, 203) extends.

Abstract: An electric heater (10, 30, 40, 50, 60, 70, 100), such as for heating surfaces of components, onto which the electric heater (10, 30, 40, 50, 60, 70, 100) is pushed or placed, has at least one tubular heating element (1, 11, 31, 41, 51, 61, 71, 82, 101), which has a metal jacket, and with at least one contact area. The tubular heating element (1, 11, 31, 41, 51, 61, 71, 82, 101) is at least partly embedded in at least one powder or granular material (2, 32, 42, 52, 62, 72, 102). The powder or granular material (2, 32, 42, 52, 62, 72, 102) abuts against at least parts of the at least one contact area.

Abstract: An electric heater (10, 20, 30, 40, 60, 70, 80), especially for heating surfaces of components, is provided with an inner metal jacket (11, 21, 31, 41, 61, 71, 81) and an outer metal jacket (14, 24, 34, 44, 64, 74, 84), which are arranged relative to one another such that a space is present between the inner metal jacket (11, 21, 31, 41, 61, 71, 81) and outer metal jacket (14, 24, 34, 44, 64, 74, 84). At least one heat conductor (13, 23, 33, 43, 63, 73, 83) is arranged at least in some sections in the space between the inner metal jacket (11, 21, 31, 41, 61, 71, 81) and outer metal jacket (14, 24, 34, 44, 64, 74, 84). At least two spacers (12, 22, 32, 36, 42, 62, 72, 82), arranged between the heat conductor (13, 23, 33, 43, 63, 73, 83) and inner metal jacket (11, 21, 31, 41, 61, 71, 81) are provided, over which the sections of the heat conductor (13, 23, 33, 43, 63, 73, 83) are guided.

Abstract: A flow heater (100, 200, 300, 400, 500) with a tube arrangement including at least one tube (105, 106, 205, 206, 305, 306, 404, 405, 406) for passing through a fluid to be heated or a plurality of fluids to be heated, and with a heater with a metal jacket, especially with a tubular heating body (102, 202, 302, 402, 502), in which the tubes (105, 106, 205, 206, 304, 305, 306, 404, 405, 406, 505) surround the heater. At least in partial areas of the heater, wall sections (113, 114, 213, 214, 311, 312, 313, 411, 412, 413, 513) of the tube arrangement (105, 106, 205, 206, 304, 305, 306, 404, 405, 406), which wall sections face the heater, are adapted to an outer contour of the heater, which heater may or may not include a heat transport tube (117, 317, 517), so that the wall sections are in flush contact with sections of this outer contour. The tube arrangement (105, 106, 205, 206, 304, 305, 306, 404, 405, 406, 505) is connected together and/or with the heater by a connection device.

Abstract: A tubular electric heater (100, 200) is provided with an outer tube (110, 210, 310, 340, 370, 410, 510), with a heat-conducting body (120, 220, 320, 350, 380, 420, 520) and with a tubular electric heating element (130, 230, 330, 360, 390, 430, 530), wherein the tubular electric heater (100, 200) has a continuous groove or opening in the direction in which the tube extends and wherein the heat-conducting body has an opening (122, 222, 322, 352, 382, 522) passing through it in the direction in which the tubular electric heater (100, 200) extends, and the outer tube is supported indirectly or directly on limiting surfaces (123, 124, 223, 224, 323, 353, 383, 423, 523, 524) defining this opening (122, 222, 322, 352, 382, 522) in the heat-conducting body or on an inner tube (140, 440). A method is provided for manufacturing such a tubular electric heater.

Abstract: A high-temperature plug (10) is provided for a heating element and/or thermocouple or a temperature sensor with at least one wire section (18) embedded in an insulating manner within a metal jacket (16) with a wire end (14) led out from the metal jacket (16) on the front side. The high-temperature plug (10) has a connection sleeve (11) made of metal, into which the at least one wire section (18) embedded in an insulating manner within the metal jacket (16) opens. At least one contact element (12) is in electrical contact within the connection sleeve (11) with the wire end (14) led out from the metal jacket (16) on the front side. At least the end section, facing the at least one wire end (14), of the at least one contact element (12) is embedded in an insulating compound (13) or a metal oxide, such that the embedding fixes the contact element (12) in the connection sleeve.

Abstract: A heating cartridge is intended especially for a thermostatic working valve. The cartridge is provided with a resistance wire winding (3), which is wound on a winding support (2) and is embedded in an insulating material filling (5) in a metal sheathing (7). The metal sheathing (7) is provided at one end (6) with a dimensionally stable coupling element (8) manufactured from a plastic, in which connecting lines (17, 18) are arranged, which electrically connect pluggable contact elements, especially pins (9, 10) of a connector plug, to the ends of the resistance wire winding (3). To simplify the manufacture and to obtain a compact design, the connecting lines (17, 18) are rigidly seated in the coupling element (8).

Abstract: A cartridge type heater is provided with at least one hot wire coil (13), which has two coreless coil strands (11, 12), which extend in an insulating material (50) along the two sides of a carrier wall (14). The heater includes an insulating material that is coordinated with the internal diameter of a metal jacket (2). The hot wire ends (9, 10) are provided with terminals projecting from the same end of the metal jacket (2). The hot wire coils (11, 12) are electrically connected to one another in the area of an end edge of the carrier wall (14). This edge is located in the closed end area of the metal jacket (2) and the coils are guided by spacers (45) distributed at the longitudinal edges of the carrier wall (14). At least the terminal-side end of the dimensionally stable carrier wall (14) is provided with an attached coil holder (15, 15/1), to which the hot wire ends (9, 10) are fastened under tensile stress. This keeps the windings of the hot wire coil (13) spaced apart from each other.

Abstract: A heating element for metallic plastic injection nozzles with a tubular hollow metal body (2), which surrounds the nozzle body of an injection molding device in a heat-transmitting manner. The hollow body has an outer and/or inner jacket surface with one or more grooves (3, 4), extending in a thread-like manner at least in some sections, with inserted tubular heating body structure (with a heating body or bodies) (5). The heating body structure has electric terminals (6, 7) projecting away from the hollow body (2). In addition, a thermocouple, with a sensor tip (9) is in thermal contact with the material wall (15) of the plastic injection nozzle (17) in an end area of the tube wall, is arranged in a guide groove (4).

Abstract: A high-temperature patch plug (50) for one or more connection lines (60), especially for connecting electric supply and/or signal lines to heating elements and/or thermocouples or temperature sensors. The patch plug (50) has one or more poles each with a contact element (64) connected to an inner conductor (61) of a connection line (60), and with a one-piece, insulating housing (51), which surrounds an interior (59), in which at least the at least one contact element (64) is accommodated at least partially. The housing (51) has at least one insertion opening (63) on the side facing away from the plugging side and a passage opening (57), which is connected to the insertion opening via the interior (59) of housing (51) for each pole on the side facing the plugging side.

Abstract: The electric cartridge type heater has a continuous central fitting hole (2) for receiving a cylindrical body to be healed in a gap-free manner, an inner metal jacket (1), an outer metal jacket (3) and a healing conductor wound on the circumference of a coil form (8), which is inserted in an annular chamber (4). The coil form has a cylinder wall with holes (10) or ducts (11/1) for receiving ends (12, 13, 15, 16) of the heating wire winding (9). The connecting conductors (18, 19) are led radially to the outside through an opening (20, 20/1) of the outer metal jacket (3) in an axial area which is located away from the two axial ends of the annular chamber (4) and is located between two heating wire windings (9/1, 9/2) or two winding sections (9a, 9b) of the same heating wire winding (9).

Abstract: A cartridge heater, especially a compressed cartridge heater (1) has at least one heating coil (8, 9), which is arranged exposed in a metallic tubular body (2) and is embedded in a granulated insulating material. The ends of heating coil portions (8, 9) are provided with terminals (7) projecting from the tubular body (2). To make it possible to manufacture such a cartridge heater with minimal effort in terms of labor and material, a flat insulating plate (10) coordinated in its width with the internal diameter of the tubular body (2) is provided as the carrier. The heating coils (8, 9) extend along the two flat sides of the insulating plate (10) and the two heating coils (8, 9) are connected to one another by a coil section (12, 12?), which is led around a deflecting edge (27) of the insulating plate (10).

Abstract: An electrically heated spray nozzle, such as for spraying plastics, includes a highly compressed tubular heating body wound about a spray nozzle as a plurality of coil windings. The heating body has a tubular steel inner jacket containing a pair of spaced electric heating elements embedded in a high compressed powdered insulating material. A copper outer jacket encases the inner jacket and a hard solder connection joint as least as broad as the diameter of the outer jacket connects the outer jacket and hence the heating body to the nozzle. The number of coil windings per unit length of nozzle body is larger near the ends of the nozzle than near its middle. A steel wear-resistant lining may cover the surface of the nozzle bore.