Document Type and Number:
Japanese Patent JPS4984464
Kind Code:
A
Abstract:
A new and improved one piece molded line level of transparent plastic material is formed using a mold wherein only a single die member controls the formation of all working surfaces of the level as well as the radius of curvature of the bubble-following surface of the bubble chamber.
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Application Number:
JP12616373A
Publication Date:
August 14, 1974
Filing Date:
November 09, 1973
Export Citation:
International Classes:
E04F21/02; B29C33/30; B29C45/26; E04F21/00; G01C9/24; G01C9/34; G01C25/00; B29C33/42; (IPC1-7): G01C9/28