Apparatus and method for sizing stator bores

Details Apparatus and method for sizing stator bores Apparatus and method for sizing stator bores

1976-11-22

1978-02-21

Larson, Lowell A.

Metal deforming

By relatively receding work-engaging tool-faces

Embodying three or more tools

B21D 4102

Patent

active

040745600

ABSTRACT:
This invention describes a relatively undersized radially expandible sleeve member which can be easily inserted through a bore formed in a stator core. A relatively oversized plug member is then forced through the sleeve thus radially expanding the sleeve and urging the sleeve radially outwardly into engagement with the bore.

REFERENCES:
patent: 3466920 (1969-09-01), Parker
patent: 3762041 (1973-10-01), Bair
patent: 3834013 (1974-09-01), Gerstle
patent: 4020878 (1977-05-01), Yashiro

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