Metal working – Method of mechanical manufacture – Providing transitory integral holding or handling portion
Patent
1990-02-26
1991-05-21
Gorski, Joseph M.
Metal working
Method of mechanical manufacture
Providing transitory integral holding or handling portion
29423, 291636, 245 9, B23P 1700
Patent
active
050163370
ABSTRACT:
The present invention relates to a method of producing net structures by connecting annular net elements with connectors. The present method includes a net strip forming process in which a net strip is formed with a plurality of annular sections for net elements arranged in a predetermined pattern and joined with the net strip through joints on the outer edges of the annular sections, a connecting process in which all adjacent annular sections of the net strip are connected to each other with a connector in a position where no joint is provided, and a separation process in which the joints are cut off to separate each annular section from the net strip for formation of the net elements. According to the invention, a net strip is punched to have a plurality of annular sections and with the annular sections kept joined with the strip, the adjacent annular sections are connected to each other with a connector, and then the annular sections are cut off from the strip to form individual net elements. Thus a troublesome process to arrange all the net elements in position is eliminated and the only thing to do is to connect the annular sections provided in position in the strip. This easier and more accurate connection of net elements facilitates the mass production of net structures and improves the yield.
REFERENCES:
patent: 920537 (1909-05-01), Canne
patent: 1019830 (1912-03-01), Pejchar
patent: 1231345 (1917-06-01), Fuhrmann
patent: 2460654 (1949-02-01), Reinstein
patent: 2753139 (1956-07-01), Chisholm
Gorski Joseph M.
Hughes S. Thomas
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