Abstract:
A method applies layers to channels of a resistance heating element, where the channels are arranged in a honeycomb structure and receive a medium to be heated. Adjacent layers communicate with electrically conducting end-face metallizations of the resistance heating element and have, at an opposite end, an insulation region in relation to another respective end-face metallization. To apply the layers, a miniature lance is immersed into the channel to be coated. The miniature lance is hollow, closed at a lower end, has an upper end communicating with a reservoir of metal paste, and includes outlets in a lower region that are directed to inner walls. Metal paste is uniformly applied to the inner walls of the channel by pressure while simultaneously moving the miniature lance. The miniature lance is inserted into an adjacent channel for coating inner walls of the adjacent channel from the other end-face metallization side.
Abstract:
This is a photoconductor and dispenser assembly and system. The photoconductor is in a tubular form so as to accept a tubular formed dispenser within its hollow portion. The dispenser will coat within this hollow portion a uniform coating of an acoustical dampening material. This material will dull any sound produced by the photoconductive marking system. The assembly is the tube having in its hollow portion this dispenser. The dispenser fits tightly but movably within the hollow portion.
Abstract:
A pipeline pig—that moves by pressurized gas flow and provides for distribution of treating liquid subsisting in a lower portion of a pipeline—having a longitudinally extending nozzle located at a forward end of the pig, an array of helical-shaped louvers located on the discharge side of the nozzle and arranged circumferentially, and two perforated sealing elements that create a cavity that serves as a low pressure plenum. The louvers create a vortex effect and the perforated sealing elements allow vapor and liquid in front of the pig to be drawn into the cavity and discharged through the ports and back into the discharge of the nozzle. In this manner, liquid subsisting at a bottom portion of the pipeline is dispersed to achieve a complete 360° coating application of the interior cylindrical wall of the pipeline.
Abstract:
A tool for coating a heat-conducting medium on penetrating holes of heat-dissipating fins mainly includes a hollow pipe body. One end of the pipe body has an annular recessed portion. The upper and lower ends of the recessed portion are formed respectively with an annular guiding slope. Further, on the recessed portion, a plurality of outlet holes is distributed in a circumferential manner. A plurality of supporting pillars is formed between adjacent outlet holes. When the tool penetrates into the penetrating holes of the heat-dissipating fins, a user may apply an external force to the other end of the pipe body, so as to cause the heat-conducting medium within the pipe body to overflow via the outlet holes. The overflowing heat-conducting medium fills the annular recessed portion first. Further, during the drawing operation of the tool, the heat-conducting medium is uniformly coated on the inner edge surfaces of the penetrating holes of the heat-dissipating fins, thereby filling the gap between the heat-conducting pipe and the fins.
Abstract:
The invention is directed to an apparatus, or system, for applying a multi-component liquid liner composition to an inner surface of a conduit. The system comprises a first reservoir having a first liquid liner component; a second reservoir having a second liquid liner component, the second liquid liner component being different from the first liquid liner component; a first liquid liner component transmission line in communication with the first reservoir; a second liquid liner component transmission line in communication with the second reservoir; and an applicator in communication with the first and second liquid liner component transmission lines. Methods of applying multi-component liquid liner compositions to the inner surface of conduits are also disclosed.
Abstract:
An inside wall of an elongated syringe body is coated by supplying at least an outer surface of an applicator ring with a coating of silicon oil while displacing a rod carrying the coated ring from a rear end to a front end of the body with the ring in continuous annular engagement with the inside wall thereof so as to transfer the oil from the ring to the inside wall. Thereafter a scraper ring also carried on the rod is displaced from the front end to the rear end of the body with the scraper ring in continuous annular engagement with the inside wall so as to scrape excess silicone oil from the inside wall.
Abstract:
The present invention relates to a method and device for manufacturing coated sleeves, whereby the sleeve is positioned vertically and held stationary, while a feed pipe is introduced from below, by vertical displacement, concentrically into the sleeve. Also from below, an excess of fluid is supplied under pressure, through the feed pipe. The fluid is allowed to emanate from an upper end outlet of the feed pipe and allowed to flow by gravity in the small gap which is formed between the feed pipe and the internal walls of the sleeve. The internal walls of the sleeve are thereby coated with the fluid, while at the same time, the coating of the outside of the sleeve is prevented. The invention also relates to a writing pen comprising a coated sleeve.
Abstract:
There is provided a method of lining an existing underground main pipe involving a branch pipe. The method comprises injecting a necessary amount of resin into the branch pipe from an open end thereof, introducing behind the resin a pig apparatus into the branch pipe, applying a positive pressure behind the resin and pig apparatus in the branch pipe to cause the resin and pig apparatus to move forward until the entire internal surface of the branch pipe is lined with the resin by means of the pig apparatus and until the pig apparatus reaches and slightly passes beyond a branching position where the branch pipe is branching from the main pipe, applying a negative pressure behind the pig apparatus in the branch pipe to cause the pig apparatus to stop at the branching position such that the branch pipe is completely isolated from the main pipe, injecting a necessary amount of resin into the main pipe from an open end thereof, inserting behind the resin a lining pig into the main pipe, applying a positive pressure behind the resin and lining pig in the main pipe to cause the resin and lining pig to move through the main pipe along the entire length thereof, so as to form a resin lining layer on the internal surface of the main pipe.
Abstract:
An apparatus for coating the internal surfaces of pipes comprises two pigs which engage against the internal pipe surfaces and are movable through the pipe, and which define an intermediate zone therebetween for receiving the coating material. A spraying device capable of spraying material in the radial direction is connected to the intermediate zone via a material feed line. Upon being drawn through the pipe, the coating material is fed to the spraying device which atomizes the material and conveys it to the internal surfaces of the pipe.
Abstract:
An assembly for connecting pipe lining machine to a device to be pulled through a pipeline or the like is provided in which a coiled connector spring is attached between the device to be pulled through the pipe and the lining machine. A keeper member fixed to the connector is designed to be removably connected to a cement lining machine while permitting relative rotation thereof.