Abstract: A cartridge assembly includes a hub portion having a first end and a second end, a first retaining ring portion including a first snap ring and a first retaining ring member, and a second retaining ring portion including a second snap ring and a second retaining ring member. The cartridge assembly further includes a plurality of disc elements positioned between the first retaining ring portion and the second retaining ring portion, where the plurality of disc elements has an outer diameter that is greater than an outer diameter of the first retaining ring portion and the second retaining ring portion, and a plurality of fastening members positioned at the first end and the second end of the hub portion, the plurality of fastening members extending radially inward from the hub portion.

Abstract: A downstream roll for glass manufacture comprises at least one millboard piece. At least a portion of an outer peripheral surface of the downstream roll comprises infiltrated ceramic particles. The infiltrated ceramic particles are infiltrated to a depth of about 1 mm to about 10 mm. Further examples of the disclosure include methods for manufacturing a glass ribbon and a downstream roll for glass manufacture.

Abstract: Low-carbon monolithic refractories are provided. Methods of manufacturing glass employing low-carbon monolithic refractories are also provided. Methods and apparatuses for glass manufacture for reducing the formation of carbon dioxide blisters during glass manufacture are also provided.

Abstract: A cartridge assembly includes a hub portion having a first end and a second end, a first retaining ring portion including a first snap ring and a first retaining ring member, and a second retaining ring portion including a second snap ring and a second retaining ring member. The cartridge assembly further includes a plurality of disc elements positioned between the first retaining ring portion and the second retaining ring portion, where the plurality of disc elements has an outer diameter that is greater than an outer diameter of the first retaining ring portion and the second retaining ring portion, and a plurality of fastening members positioned at the first end and the second end of the hub portion, the plurality of fastening members extending radially inward from the hub portion.

Abstract: Low-carbon monolithic refractories are provided. Methods of manufacturing glass employing low-carbon monolithic refractories are also provided. Methods and apparatuses for glass manufacture for reducing the formation of carbon dioxide blisters during glass manufacture are also provided.

Abstract: Low-carbon monolithic refractories are provided. Methods of manufacturing glass employing low-carbon monolithic refractories are also provided. Methods and apparatuses for glass manufacture for reducing the formation of carbon dioxide blisters during glass manufacture are also provided.

Abstract: A cartridge assembly includes a hub portion having a first end and a second end, a first retaining ring portion including a first snap ring and a first retaining ring member, and a second retaining ring portion including a second snap ring and a second retaining ring member. The cartridge assembly further includes a plurality of disc elements positioned between the first retaining ring portion and the second retaining ring portion, where the plurality of disc elements has an outer diameter that is greater than an outer diameter of the first retaining ring portion and the second retaining ring portion, and a plurality of fastening members positioned at the first end and the second end of the hub portion, the plurality of fastening members extending radially inward from the hub portion.

Abstract: Push roll spools for engaging and driving softened glass tubes over a shaping mandrel. A push roll spool for use in processing a glass tube may comprise a base having first and second axially spaced ends, and multiple sheets of heat resistant material disposed on the base between the axially spaced ends, forming an axially extending stack. The stack may have a circumferential, generally U-section groove having a profile defined by the peripheral edges of multiple said sheets having different diameters. The U-section groove may be sized to engage and drive a glass tube. The U-section groove may have two contact areas at which to engage and drive a glass tube. The heat resistant material may comprise mica or a mica composition, for example mica paper or ceramic fiber millboard.

Abstract: A ceramic block consisting essentially of substantially homogeneous (Y2O3)x.P2O5, where 0.95?x?1.05, having length LL, a width WW and a height HH, and a volume VV of at least 8×10?3 m3 essentially free of cracks throughout the volume, a density of at least 85% of the theoretical maximal density of Y2O3.P2O5 under standard conditions, and a creep rate at 1250° C. and 6.89 MPa of CR, where CR?8.0×10?6 hour?1, and method for making the same. The method utilizes a dry process where the starting YPO4-based ceramic material is synthesized by reacting anhydrous P2O5 with dry Y2O3 powder.

Abstract: A ceramic block consisting essentially of substantially homogeneous (Y2O3)? P2O5, where 0.95?x?1.05, having length LL, a width WW and a height HH, and a volume W of at least 8×10?3 m3 essentially free of cracks throughout the volume, a density of at least 85% of the theoretical maximal density of Y203.P2O5 under standard conditions, and a creep rate CR at 1250° C. and 6.89 MPa; where CR?8.0×10?6 hour?1 and method for making the same. The method utilizes a dry process where the starting YP04-based ceramic material is synthesized by reacting anhydrous P2O5 with dry Y2O3 powder.

Abstract: A cartridge assembly includes a hub portion having a first end and a second end, a first retaining ring portion including a first snap ring and a first retaining ring member, and a second retaining ring portion including a second snap ring and a second retaining ring member. The cartridge assembly further includes a plurality of disc elements positioned between the first retaining ring portion and the second retaining ring portion, where the plurality of disc elements has an outer diameter that is greater than an outer diameter of the first retaining ring portion and the second retaining ring portion, and a plurality of fastening members positioned at the first end and the second end of the hub portion, the plurality of fastening members extending radially inward from the hub portion.

Abstract: In one embodiment, a pulling roll for drawing glass sheet in a down-draw process includes a shaft member and a compliant cover assembly positioned on the shaft member. The compliant cover assembly includes at least one traction disk positioned on the shaft member. The at least one traction disk includes an annular hub and a plurality of spring elements integrally formed with the annular hub. The spring elements project outward from the annular hub such that an end of each spring element is positioned radially outward from a base of each spring element and is circumferentially offset relative to the base of each spring element.

Abstract: In one embodiment, a pulling roll for drawing glass sheet in a down-draw process includes a shaft member and a compliant cover assembly positioned on the shaft member. The compliant cover assembly includes at least one traction disk and at least one deflection limiting disk positioned on the shaft member. The at least one traction disk includes an annular hub and a plurality of spring elements integrally formed with the annular hub. The at least one deflection limiting disk includes at least one deflection limiting element positioned on each deflection limiting disk. The at least one deflection limiting element engages at least a portion of at least one traction disk upon a predetermined amount of inward radial deflection of the plurality of spring elements, thereby limiting the inward radial deflection of the plurality of spring elements.

Abstract: Pulling rolls for used in forming glass ribbons with reduced defects and cracking are disclosed. In one embodiment, the pulling roll may include a shaft member and a roll assembly. The roll assembly may be positioned on the shaft member for rotation with the shaft member. The roll assembly may include an axially compressed stack of ring elements formed from an inorganic material such as mica paper. The mica paper may include layers of overlapping mica platelets oriented substantially in parallel with one another. A contact surface of the roll assembly may have a Shore D hardness greater than or equal to about 10 and less than or equal to about 60.

Abstract: Low-carbon monolithic refractories are provided. Methods of manufacturing glass employing low-carbon monolithic refractories are also provided. Methods and apparatuses for glass manufacture for reducing the formation of carbon dioxide blisters during glass manufacture are also provided.

Abstract: In one embodiment, a pulling roll for drawing glass sheet in a down-draw process includes a shaft member and a compliant cover assembly positioned on the shaft member. The compliant cover assembly includes at least one traction disk and at least one deflection limiting disk positioned on the shaft member. The at least one traction disk includes an annular hub and a plurality of spring elements integrally formed with the annular hub. The at least one deflection limiting disk includes at least one deflection limiting element positioned on each deflection limiting disk. The at least one deflection limiting element engages at least a portion of at least one traction disk upon a predetermined amount of inward radial deflection of the plurality of spring elements, thereby limiting the inward radial deflection of the plurality of spring elements.

Abstract: In one embodiment, a pulling roll for drawing glass sheet in a down-draw process includes a shaft member and a compliant cover assembly positioned on the shaft member. The compliant cover assembly includes at least one traction disk positioned on the shaft member. The at least one traction disk includes an annular hub and a plurality of spring elements integrally formed with the annular hub. The spring elements project outward from the annular hub such that an end of each spring element is positioned radially outward from a base of each spring element and is circumferentially offset relative to the base of each spring element.

Abstract: A downstream roll for glass manufacture comprises at least one millboard piece. At least a portion of an outer peripheral surface of the downstream roll comprises infiltrated ceramic particles. The infiltrated ceramic particles are infiltrated to a depth of about 1 mm to about 10 mm. Further examples of the disclosure include methods for manufacturing a glass ribbon and a downstream roll for glass manufacture.

Abstract: A ceramic block consisting essentially of substantially homogeneous (Y2O3)? P2O5, where 0.95?x?1.05, having length LL, a width WW and a height HH, and a volume W of at least 8×10?3 m3 essentially free of cracks throughout the volume, a density of at least 85% of the theoretical maximal density of Y203.P2O5 under standard conditions, and a creep rate CR at 1250° C. and 6.89 MPa; where CR?8.0×10?6 hour?1 and method for making the same. The method utilizes a dry process where the starting YP04-based ceramic material is synthesized by reacting anhydrous P2O5 with dry Y2O3 powder.

Abstract: Pulling rolls for used in forming glass ribbons with reduced defects and cracking are disclosed. In one embodiment, the pulling roll may include a shaft member and a roll assembly. The roll assembly may be positioned on the shaft member for rotation with the shaft member. The roll assembly may include an axially compressed stack of ring elements formed from an inorganic material such as mica paper. The mica paper may include layers of overlapping mica platelets oriented substantially in parallel with one another. A contact surface of the roll assembly may have a Shore D hardness greater than or equal to about 10 and less than or equal to about 60.