Floating tension tool and strap locating guide apparatus and met

Details Floating tension tool and strap locating guide apparatus and met Floating tension tool and strap locating guide apparatus and met

1977-07-01

1978-09-05

Lazarus, Richard B.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

29 2519, 100 32, H01J 900

Patent

active

041108779

ABSTRACT:
Apparatus for fabricating an implosion-resistant cathode ray tube envelope includes a support member for upholding the envelope and a tightening member movably affixed to the support member and having fixed and rotatable members formed to receive an over-lapping loop of metal strapping therebetween and responsive to activation of the rotatable member to exert a force on and effect movement of one portion of the metal strap in a given direction and exert force on and effect movement of the other portion of the metal strap and the tightening apparatus in a diametrically opposite direction. The metal strapping is positionally located on the envelope by a strap-locating guide. Also, a method for fabricating implosion-resistant cathode ray tube envelope includes the steps of placing an overlapping loop of metal strapping about the periphery of the envelope, positioning the overlapping loop of metal strapping in a strap tightening apparatus having a rotatable member mounted on a movable support and energizing the strap-tightening apparatus to activate the rotatable member and cause movement of one portion of the overlapping strap member in a given direction and movement of the other portion of the overlapping strap member and the movable strap tightening apparatus in an opposite direction.

REFERENCES:
patent: 2785820 (1957-03-01), Vincent et al.
patent: 3014506 (1961-12-01), Crimmins
patent: 3367374 (1968-02-01), Meier et al.
patent: 3456076 (1969-07-01), Griswold et al.
patent: 4015643 (1977-04-01), Cheung

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