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US 12,709,045 B2Granted
Device, system and method for curing a tube liner
AssigneePer Aarsleff A/S
InventorsManfred Boyer, Niklas Ernst, Esben Meyer
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Abstract
A device for curing a tube liner comprising: a curing assembly configured to cure at least a portion of the tube liner, and an optical heater configured to heat the portion of the tube liner at least before and/or after curing. The curing assembly comprises a first LED configured to emit electromagnetic radiation of a first wavelength. The optical heater comprises a second LED configured to emit electromagnetic radiation of a second wavelength, wherein the second wavelength is different from the first wavelength, and is within the spectrum of red light.
Claims20
A device for curing a tube liner comprising:
- a curing assembly configured to cure at least a portion of the tube liner, and
- an optical heater configured to heat the portion of the tube liner at least before and/or after curing,
- wherein the curing assembly comprises at least a first LED configured to emit electromagnetic radiation of a first wavelength,
- wherein the optical heater comprises at least a second LED configured to emit electromagnetic radiation of a second wavelength,
- wherein the first wavelength is different from the second wavelength, and
- wherein the second wavelength is within a spectrum of yellow, orange and/or red light, and wherein the first wavelength is in a range from 315 nm to 520 nm.
3 more elements
Dependencies are inferred from the claim text.