Printing apparatus with uniform cooled roller
AssigneeXeikon Manufacturing N.V.
InventorsKim Louis Jozephus Hoefnagels, Maarten Achten, Wouter Bart Tinne Leus
Life of this patent
Estimating the term…
Abstract
A printing apparatus includes a cooling system for cooling a print medium. The cooling system includes a cooling member with a support surface configured for supporting the print medium. The cooling member has a first end and a second end and the support surface extends in a lateral direction between the first end and the second end. The cooling member is provided with supply channels and return channels extending between the first and the second end. A fluid circulation means supplies fluid through the supply channels from the first end to the second end, and back through the return channels from the second end to the first end.
Claims21
A printing apparatus comprising a cooling system for cooling a print medium moving in a movement direction through the printing apparatus, said cooling system comprising:
- a cooling member with a support surface configured for supporting the print medium, said cooling member having a first end and a second end and said support surface extending in a lateral direction at an angle with respect to the movement direction between said first end and said second end;
- wherein the cooling member is provided with supply channels and return channels extending between the first and the second end;
- and
- a fluid circulation means configured for supplying fluid through the supply channels from the first end to the second end, and back through the return channels from the second end to the first end;
- wherein the fluid circulation means comprises a first coupling flange connected to the first end and a second coupling flange connected to the second end;
- and
- a mixing chamber at the second end of the cooling member, wherein each supply channel and each return channel is connected to the mixing chamber, and wherein the mixing chamber is at least partially formed in the second coupling flange.
A printing apparatus comprising a cooling system for cooling a print medium moving in a movement direction through the printing apparatus, said cooling system comprising:
- a cooling member with a support surface configured for supporting the print medium, said cooling member having a first end and a second end and said support surface extending in a lateral direction at an angle with respect to the movement direction between said first end and said second end;
- wherein the cooling member is provided with supply channels and return channels extending between the first and the second end;
- and
- a fluid circulation means configured for supplying fluid through the supply channels from the first end to the second end, and back through the return channels from the second end to the first end;
- wherein the cooling member comprises a peripheral portion and wherein the supply and return channels are distributed across the peripheral portion;
- wherein the cooling member comprises a roller comprising the peripheral portion and a central portion;
- wherein preferably the central portion is at least partially hollow;
- and
- wherein the supply and return channels comprise at least three supply channels and at least three return channels distributed along the circumference of the roller, and wherein at the second end, each supply channel of said at least three supply channels is connected to a return channel of said at least three return channels, said return channel being located in an opposite half of the roller at the second end as compared to the associated supply channel.
A printing apparatus comprising a cooling system for cooling a print medium moving in a movement direction through the printing apparatus, said cooling system comprising:
- a cooling member with a support surface configured for supporting the print medium, said cooling member having a first end and a second end and said support surface extending in a lateral direction at an angle with respect to the movement direction between said first end and said second end;
- wherein the cooling member is provided with supply channels and return channels extending between the first and the second end;
- and
- a fluid circulation means configured for supplying fluid through the supply channels from the first end to the second end, and back through the return channels from the second end to the first end;
- wherein the fluid circulation means comprises a first coupling flange connected to the first end and a second coupling flange connected to the second end;
- wherein the first coupling flange comprises a central inlet dividing in inlet branches connected to the supply channels, and an outlet dividing in outlet branches connected to the return lines, and wherein the outlet is coaxial with the inlet;
- and
- wherein the second coupling flange comprises connecting channels for connecting each supply channel to at least one return channel of the return channels, wherein the connecting channels are arranged such that each supply channel ending in a first half of the cooling member is connected to a return channel starting in an opposite half of the cooling member.
Dependencies are inferred from the claim text.