Metal working – Method of mechanical manufacture – Electrical device making
Patent
1976-06-02
1977-05-17
Dipalma, Victor A.
Metal working
Method of mechanical manufacture
Electrical device making
29417, 113116P, 113119, 337198, 337264, 337295, H01H 6902
Patent
active
040232654
ABSTRACT:
A method is disclosed for making a plug-in fuse assembly like that disclosed and claimed in U.S. Pat. No. 3,909,767, granted Sept. 30, 1975 for Miniature Plug-In Fuse. The method comprises the steps of providing a blank of fuse metal which is initially provided throughout its length with a continuous central portion of reduced thickness, blanking the blank of fuse metal to form a pair of laterally spaced coplanar terminal forming blade portions which are interconnected by a transverse web of reduced thickness, coplanar current carrying extensions thereof and an interconnecting fuse-forming link portion of reduced thickness located in a coplanar plate-like body of a plug-in fuse element, inserting over said blank a synthetic plastic housing by way of an opening at the inwardly facing side thereof with the current carrying extensions of the blank and the interconnecting fuse-forming link portion of reduced thickness within the housing and with the pair of terminal blade portions of the blank, which are interconnected by the transverse web of reduced thickness, extending outwardly from the housing element through the opening therein, securing said blank in the synthetic plastic housing, and blanking the exposed transverse web of reduced thickness interconnecting the terminal blade portions to complete the formation of the coplanar plate-like body having a pair of laterally spaced coplanar terminal portions of the plug-in fuse assembly.
REFERENCES:
patent: 1777916 (1930-10-01), Glossl
patent: 1926445 (1933-09-01), Klopfenstein
patent: 2908887 (1959-10-01), Broske
patent: 3436711 (1969-04-01), Borzoni
patent: 3669054 (1972-06-01), Desso et al.
patent: 3775723 (1973-11-01), Mamrick et al.
patent: 3775724 (1973-11-01), Mamrick et al.
DiPalma Victor A.
Littelfuse Inc.
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