Apparatus for producing a sliver-like fibrous product
Patent 3932163 Issued on January 13, 1976. Estimated Expiration Date: 
January 13, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 13, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorAssigneeApplicationNo. 05/550384 filed on 02/18/1975US Classes:65/523, With at least two concentric blowers or burners19/150, Silver forming226/95, By pneumatic pressure28/289, PACKAGING65/535Pulling wheels or rollsExaminersPrimary: Lindsay, Robert L.Attorney, Agent or FirmInternational ClassesD01H 1/00 (20060101)C03B 37/04 (20060101) C03B 037/02 () AbstractApparatus for and the method of producing a sliver-like fibrous product including forming glass fibers, conveying the glass fibers in a body of gas and depositing them on the porous rim of a rotating wheel to form a coherent web, advancing the porous rim with the web thereon over an opening having a progressively reducing size in the direction of rim movement, establishing a zone of reduced pressure within the wheel to draw air through the fibers into the opening to progressively condense the web into a loosely associated longitudinal coherent sliver-like grouping of fibers, and discharging the longitudinal sliver-like fiber grouping from the rim. | |
