Method and apparatus for producing cleaning blades
This disclosure relates to a production method for a cleaning blade made of thermosetting type polyurethane comprising mixing and stirring the liquid of a polyurethane prepolymer which is a raw material component for a thermosetting type polyurethane polymer and the liquid of a crosslinking agent, d...
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| creator | FUJIWARA, YOSHINORI TANIGUCHI, TOSHIHARU SHIGECHIKA, YUICHI TANI, ARATA |
| description | This disclosure relates to a production method for a cleaning blade made of thermosetting type polyurethane comprising mixing and stirring the liquid of a polyurethane prepolymer which is a raw material component for a thermosetting type polyurethane polymer and the liquid of a crosslinking agent, discharging the mixture (U) thereof into a die having a concave cross section in a molding drum (20), pressing it to the outer peripheral face of the molding drum (20), heating and pressurizing it via an endless belt (24) synchronized with the rotation of the drum (20) to continuously mold a banded blade molding (S) having a fixed width, and cutting the blade molding (S) by a fixed length after cooling it down. |
| format | Patent |
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| language | eng ; fre ; ger |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MAGNETOGRAPHY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Method and apparatus for producing cleaning blades |
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