238000004519 manufacturing process Methods 0.000 description 4.238000005859 coupling reaction Methods 0.000 description 4.PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6.
229910000831 Steel Inorganic materials 0.000 description 6.229910052751 metal Inorganic materials 0.000 description 8.238000010438 heat treatment Methods 0.000 abstract description 6.238000005495 investment casting Methods 0.000 abstract description 12.238000001125 extrusion Methods 0.000 title claims description 22.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Harten Marvin A filed Critical Harten Marvin A Priority to US05/868,308 priority Critical patent/US4197072A/en Application granted granted Critical Publication of US4197072A publication Critical patent/US4197072A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Harten Original Assignee Harten Marvin A Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/868,308 Inventor Marvin A.
Wax pen. pdf#
Google Patents Wax extrusion pen for lost wax patternsĭownload PDF Info Publication number US4197072A US4197072A US05/868,308 US86830878A US4197072A US 4197072 A US4197072 A US 4197072A US 86830878 A US86830878 A US 86830878A US 4197072 A US4197072 A US 4197072A Authority US United States Prior art keywords wax cylinder nozzle temperature pen Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4197072A - Wax extrusion pen for lost wax patterns US4197072A - Wax extrusion pen for lost wax patterns
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