Duct assembly system
First Claim
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1. A method to shape and support a skin against a bulkhead to form a duct, said method comprising the steps of:
- aligning said skin in a desired relation to said bulkhead;
inserting a skin expanding means on a side of said skin opposite said bulkhead, said skin expanding means comprising a plurality of bushings for drilling fastener holes in said skin;
expanding said skin to a position adjacent to a cross section of said bulkhead; and
drilling fastener holes in said skin using said bushings as a drill guide.
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Abstract
The present invention is embodied in a duct assembly system for the shaping and support of skins against a bulkhead, including an articulating skin expanding member conforming, in an extended position, to a cross section of the bulkhead, and a support means attached to the expanding member for insertion of the expanding member into the skins and alignment of the expanding member adjacent to the bulkhead.
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3 Claims
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1. A method to shape and support a skin against a bulkhead to form a duct, said method comprising the steps of:
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aligning said skin in a desired relation to said bulkhead; inserting a skin expanding means on a side of said skin opposite said bulkhead, said skin expanding means comprising a plurality of bushings for drilling fastener holes in said skin; expanding said skin to a position adjacent to a cross section of said bulkhead; and drilling fastener holes in said skin using said bushings as a drill guide. - View Dependent Claims (2, 3)
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Specification
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Current AssigneeNorthrop Grumman Systems Corporation (Northrop Grumman Corporation)
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Original AssigneeNorthrop Grumman Corporation
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InventorsBullen, George Nicholas, MacAllister, Ian, Decker, Douglas D., Brazil, Stephen A.
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Primary Examiner(s)STEMMER, DANIEL J
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Application NumberUS08/888,612Time in Patent Office421 DaysField of Search156/71, 156/92, 156/91, 156/293, 156/294, 156/423, 249/11, 249/83, 249/152, 249/180, 249/184, 249/185US Class Current156/294CPC Class CodesB29C 33/485 cores or mandrels collapsib...B64F 5/10 Manufacturing or assembling...
