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US 9,283,689 B2Granted
Method and apparatus for cutting a pipe made from thermoplastic material
AssigneeSica S.P.A.
InventorsGiorgio Tabanelli, Marco Gulminelli
Life of this patent
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Abstract
Described is a method for cutting a pipe (2) made from thermoplastic material, comprising the steps of localized and circumferential heating of an axial portion (3) of the pipe (2) at a predetermined operating temperature and processing, using a cutting tool (4), the heated axial portion (3).
Claims16
A method for cutting a pipe (2) made from thermoplastic material, characterised in that it comprises, in combination, the following steps:
- localised and circumferentially heating of a localised axial portion (3) of the pipe (2) at a predetermined operating temperature;
- cutting without removal of chippings, using a cutting tool (4), of the heated axial portion (3), for obtaining pieces of the pipe;
- wherein the heating step comprises a step of emitting circumferentially electromagnetic waves in the direction of the axial portion (3) of the pipe (2).
An apparatus for cutting a pipe made from thermoplastic material, characterised in that it comprises, in combination:
- heating means (5), configured for circumferentially heating a localised axial portion (3) of the pipe (2) at a predetermined operating temperature;
- at least one tool (4) for cutting the heated axial portion (3) of the pipe (2), wherein the cutting tool (4) is a knife tool and it is configured in such a way that the tool (4) has a combined movement of rotation about the axis (X) of the pipe (2) and radial displacement relative to the axis of the pipe (2).
Dependencies are inferred from the claim text.