NIP Roller With An Energy Source
Disclosed are nip rollers, machines, systems, and methods, including a nip roller that includes a hollow roller to press materials, at least a portion of the hollow roller being constructed from a material configured to enable passage of energy, and at least one energy source disposed within an inner volume of the hollow roller to generate energy, at least some of the energy being directed through the at least the portion of the hollow roller constructed from the material configured to enable passage of energy to cause curing process for a curable adhesive, deposited on a substrate and pressed against a layer material, to occur.
1 . A pressing machine to press layer material to a curable adhesive deposited on a substrate received at an entry stage of the pressing machine, the pressing machine comprising:
at least one nip roller to press the layer material to the substrate with the curable adhesive deposited thereon, at least a portion of the at least one nip roller being constructed from a material to enable passage of optical radiation, the at least one nip roller having an inner volume; and
at least one optical radiation source to generate optical radiation directed at the curable adhesive to cause a curing process of the adhesive to occur, wherein the at least one optical radiation source is disposed within the inner volume of the nip roller;
wherein at least some of the optical radiation generated by the optical radiation source is directed through the at least the portion of the at least one nip roller constructed from the material configured to enable passage of optical radiation to be applied to the curable adhesive deposited on the substrate.
2 . The pressing machine of claim 1 , wherein the material configured to enable passage of at least some of the generated optical radiation includes radiation-transparent material including one or more of: polypropylene, glass, quartz and polycarbonate.
3 . The pressing machine of claim 1 , wherein the at least one optical radiation source includes one or more of: an ultraviolet radiation source, a lamp to generate incoherent optical radiation, an electron beam radiation source, and a laser source.
4 . The pressing machine of claim 1 , further comprising:
at least another optical radiation source positioned upstream of the at least one nip roll, the at least other optical radiation source configured to direct optical radiation to cause one of pre-curing the curable adhesive and initiating the curable adhesive.
5 . The pressing machine of claim 1 , further comprising:
a support structure placed, at least partly, within the inner volume of the nip roller, the at least one optical radiation source being secured to the support structure.
6 . The machine of claim 1 , further comprising:
an optical radiation guidance mechanism to direct the optical radiation generated by the at least one optical radiation source to an area of the at least the portion of the at least one nip roller constructed from the material configured to enable passage of optical radiation.
7 . The machine of claim 1 , further comprising:
a cooling mechanism to control temperature in the inner volume of the nip roller.
8 . The machine of claim 7 , wherein the cooling mechanism comprises:
a hollow reflector including a reflective surface facing the at least one optical radiation source, the reflective surface configured to selectively reflect optical radiation of one or more predetermined wavelengths, and to pass optical radiation of one or more other predetermined wavelengths; and
cooling medium inside an interior of the hollow reflector to perform one or more of absorbing, and removing the one or more other predetermined wavelengths that passed through the reflective surface.
9 . A system comprising:
a printer to deposit a pre-determined pattern of curable adhesive on a substrate; and
a pressing machine to press layer material to the substrate with the patterned curable adhesive deposited thereon, the substrate being received at an entry stage of the pressing machine, the pressing machine including:
at least one nip roller to press the layer material to the substrate with the curable adhesive deposited thereon, at least a portion of the at least one nip roller being constructed from a material to enable passage of optical radiation, the at least one nip roller having an inner volume, and
at least one optical radiation source to generate optical radiation directed at the curable adhesive to cause a curing process of the adhesive to occur, wherein the at least one optical radiation source is disposed within the inner volume of the at least one nip roller,
wherein at least some of optical radiation generated by the at least one optical radiation source is directed through the at least the portion of the at least one nip roller constructed from the material configured to enable passage of optical radiation to be applied to the curable adhesive deposited on the substrate.
10 . The system of claim 9 , wherein the printer includes one or more of: an inkjet printer, a toner-based printer, a silk screen printer and a lithography-based printer.
11 . The system of claim 9 , wherein the at least one nip roller includes:
a first set of nip rollers positioned proximate to the entry stage of the pressing machine to press the layer material to the adhesive deposited on the substrate when the substrate is substantially received in the pressing machine; and
a second set of nip rollers positioned proximate to an exit stage of the pressing machine to press the layer material to the cured adhesive deposited on the substrate after application of optical radiation by the at least one optical radiation source.
12 . The system of claim 9 , further comprising:
a conveyor belt to move the substrate having the curable adhesive deposited on it through the pressing machine.
13 . The system of claim 9 , further comprising:
a peeler to peel off excess layer material not adhered to any portion of the cured adhesive.
14 . The system of claim 9 , wherein the at least one optical radiation source includes one or more of: an ultraviolet radiation source, an electron beam device, a laser source, and an incoherent lamp.
15 . The system of claim 9 , further comprising:
a cooling mechanism to control temperature in the inner volume of the at least one nip roller, the cooling mechanism comprising:
a hollow reflector including a reflective surface facing the at least one optical radiation source, the reflective surface configured to selectively reflect optical radiation of one or more predetermined wavelengths, and to pass optical radiation of one or more other predetermined wavelengths; and
cooling medium inside an interior of the hollow reflector to perform one or more of absorbing, and removing the one or more other predetermined wavelengths that passed through the reflective surface.
16 . A nip roller comprising:
a hollow roller to press materials, at least a portion of the hollow roller being constructed from a material configured to enable passage of optical radiation; and
at least one optical radiation source disposed within an inner volume of the hollow roller to generate optical radiation, at least some of the optical radiation being directed through the at least the portion of the hollow roller constructed from the material configured to enable passage of optical radiation to cause curing process for a curable adhesive deposited on a substrate and pressed against a layer material to occur.
17 . The nip roller of claim 16 , wherein the at least one optical radiation source includes one or more of: an ultraviolet radiation source, a lamp to generate incoherent optical radiation, an electron beam radiation source, and a laser source.
18 . The nip roller of claim 16 , further comprising:
an optical radiation guidance mechanism to direct the optical radiation generated by the at least one optical radiation source to an area of the at least the portion of the nip roller constructed from the material configured to enable passage of optical radiation.
19 . The nip roller of claim 16 , further comprising:
a cooling mechanism to control temperature in the inner volume of the nip roller, the cooling mechanism comprising:
a hollow reflector including a reflective surface facing the at least one optical radiation source, the reflective surface configured to selectively reflect optical radiation of one or more predetermined wavelengths, and to pass optical radiation of one or more other predetermined wavelengths; and
cooling medium inside an interior of the hollow reflector to perform one or more of absorbing, and removing the one or more other predetermined wavelengths that passed through the reflective surface.
20 . A method comprising:
pressing by a nip roller a layer material to a substrate including a curable adhesive deposited thereon; and
applying optical radiation from at least one optical radiation source to the pressed layer material and the substrate, the at least one optical radiation source disposed within an inner volume of the nip roller.