Device for heating the internal surface of the open end of plastic tubular containers

Device for heating the internal surface of the open end of plastic tubular containers, consisting of a heating head (1) which has a cross-section corresponding to the shape of the tubular container and can be coaxially inserted so as to make contact, inside the open end of the tubular container (3)...

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1. Verfasser: GUIDO BRUNO TONAZZI
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creator GUIDO BRUNO TONAZZI
description Device for heating the internal surface of the open end of plastic tubular containers, consisting of a heating head (1) which has a cross-section corresponding to the shape of the tubular container and can be coaxially inserted so as to make contact, inside the open end of the tubular container (3) itself, along a section corresponding to the section (3a) to be softened internally, said heating head (3) being provided internally with electrical heating resistances (2), there also being provided means (3) for pressing the tube against the heating head (1) during heating so that the heat is transmitted to the internal surface of the container by means of direct-contact conduction.
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source esp@cenet
subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
MAKING GRANULES OR PREFORMS
PACKING
PERFORMING OPERATIONS
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED
RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
STORING
TRANSPORTING
UNPACKING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title Device for heating the internal surface of the open end of plastic tubular containers
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