Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1995-05-16
1997-02-04
Seidleck, James J.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
285917, 285918, B29D 2300
Patent
active
055996000
ABSTRACT:
Nozzle repair shields and methods for installing them are provided by this invention. The nozzle repair shield includes a cylindrical body portion having an annular flange disposed from the top end and at least one sealing lip disposed at its lower end. The body portion further includes an annular support band located in its lower end for supporting the sealing lip during insertion and use. The preferred shield is constructed from machined PTFE stock, and further includes resilient spacing members between the sealing lips to further reduce damage to the sealing lips and subsequent loss of a fluid-tight seal.
REFERENCES:
patent: 2329000 (1943-09-01), Rembert
patent: 3199879 (1965-08-01), Fleming
patent: 3561776 (1971-02-01), Wilson
patent: 3653672 (1972-04-01), Felt
patent: 4712802 (1987-12-01), Hewison et al.
patent: 5144824 (1992-09-01), Kobayashi et al.
De Dietrich trade literature entitled "Installation Procedure for PTFE Nozzle Repair Sleeve" (1988).
Spectrum Products, Inc. trade literature and price sheet entitled "Easy Fix Nozzle Repair Sleeve" (1988).
Pfaudler trade literature entitled "Installation of Nozzle Repair Shields" (1984).
De Dietrich trade literature entitled "Kwik-Fix PTFE Nozzle Repair Sleeve" (1987).
Pfaudler trade literature entitled "Repair Materials for Glasteel/Nucerite Equipment" (1984).
IBG Monforts & Reiners GmBH & Co. trade literature entitled "IBG-PTFE Repair System for Glass-Lined Vessels" (1983).
Edlon Products, Inc. trade literature entitled "Pfluoro-Fix PTFE Nozzle Repair Shield Installation Instructions" (1992).
Edlon Inc.
Seidleck James J.
Williamson Michael A.
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