Method and apparatus for chopping glass strands

Details Method and apparatus for chopping glass strands Method and apparatus for chopping glass strands

1976-10-06

1977-08-30

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 11R, 83347, 83659, 83913, C03B 3702

Patent

active

040451968

ABSTRACT:
A method and apparatus for the chopping of glass strands is disclosed. The back-up or cot roller for the chopping blades includes an annular cutting surface or ring which is mounted on an expandable wheel, such as an inflatable wheel. By varying fluid pressure within the inflatable wheel, variations in the resiliency of the cutting surface are realized. This allows for a smoother operation of the chopping system and increases the life of the cutting surface. Further, the expandable wheel around which the cutting surface rides will adapt for variations in the thickness of the annular cutting surface and still give a consistent mesh with the cutting blades. Thus, it is now possible to employ cutting rings having inconsistent inner and outer diameters and to resurface the cutting surface by grinding that portion of the surface which has been partially gouged by the cutting blades to an even surface once again and thus to reuse the cutting ring. This reduces replacement costs for the annular cutting surface rings or cots by further increasing their life expectancy, thus improving the efficiency of the chopping system.

REFERENCES:
patent: 2405598 (1946-08-01), Miller
patent: 3508461 (1970-04-01), Stream
patent: 3644109 (1972-02-01), Klink et al.

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