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A system for dividing a conduit (12) into a plurality of compartments (20-24) includes an insert (10) which is formed by attaching a plurality of layers of a pliant material (14-17) near their lateral edges (18). The insert can be formed with a cable (25), a rope (26) or a tape (27) pre-positioned between the layers (14-17) or the cable (25), rope (26) or tape (27) can be positioned in the respective compartments (20-22) after the insert (10) is installed in the conduit (12).

Titel:	Method and apparatus for dividing a conduit into compartments
Autor/in / Beteiligte Person:	Allen, Jerry L.
Link:	View record in USPTO Patent Grants (Volltext)
Veröffentlichung:	2001
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Grants Sprachen: English Patent Number: 6,251,201 Publication Date: June 26, 2001 Appl. No: 09/705,296 Application Filed: November 03, 2000 Assignees: TVC Communications, Inc. (Annville, PA) Claim: What is claimed is Claim: 1. A method of dividing a longitudinally extending conduit into compartments comprising the steps of forming at least two layers of a longitudinally extending pliant material having lateral edges, attaching the layers near their lateral edges so as to form at least one compartment between the layers, and inserting the attached layers into the conduit. Claim: 2. A method according to claim 1 wherein the step of attaching is accomplished by stitching the layers together near their lateral edges. Claim: 3. A method according to claim 1 further comprising the step of positioning the attached layers on a roll, the step of inserting being accomplished by removing the attached layers from the roll. Claim: 4. A method according to claim 1 further comprising the step of lubricating the attached layers. Claim: 5. A method according to claim 1 wherein the at least two layers are formed with a different lateral width. Claim: 6. A method according to claim 5 wherein said step of attaching causes one of the layers to buckle to form the compartment. Claim: 7. A method according to claim 1 further comprising the step of positioning a cable between the layers before attaching the layers. Claim: 8. A method according to claim 1 further comprising the step of positioning a rope between the layers before attaching the layers. Claim: 9. A method according to claim 1 further comprising the step of positioning a tape between the layers before attaching the layers. Claim: 10. A method of dividing a longitudinally extending conduit into compartments comprising the steps of forming at least two layers of a longitudinally extending pliant material, forming at least one compartment between the layers, and inserting the layers into the conduit. Claim: 11. A method according to claim 10 wherein the layers have lateral edges which are connected to each other to effect the step of forming the at least one compartment. Current U.S. Class: 156/47; 156/55; 174/681; 29/868 Current International Class: H01B 1300 Patent References Cited: 4070543 January 1978 Thompson et al. ; 4096007 June 1978 Braunling et al. ; 4399319 August 1983 Zinn ; 4582093 April 1986 Hubbard et al. ; 4729409 March 1988 Paul ; 5069254 December 1991 Vogelsang ; 5236016 August 1993 Vogelsang ; 5399812 March 1995 Woszczyna et al. ; 5442136 August 1995 Allen ; 5587115 December 1996 Allen ; 5922995 July 1999 Allen Primary Examiner: Reichard, Dean A. Assistant Examiner: Nino, Adolfo Attorney, Agent or Firm: Renner, Kenner, Greive, Bobak, Taylor & Weber

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Method and apparatus for dividing a conduit into compartments