![]() The ejection system of claim 1 further including a reset pin attached to the stationary plate and disposed to engage the heel of the ejector pin as the mold is closed to bring the plates together at the first and second parting lines, and move the ejector pin so that the heel engages the end on the internal bushing and the cam retainers engage the external annular groove of the ejector pin. B29C45/4005- Ejector constructions Ejector operating mechanismsÄ¢.B29C45/40- Removing or ejecting moulded articles.B29C45/17- Component parts, details or accessories Auxiliary operations.forcing the required volume of moulding material through a nozzle into a closed mould Apparatus therefor B29C- SHAPING OR JOINING OF PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g.B29- WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL.238000001746 injection moulding Methods 0.000 description 1.238000006011 modification reaction Methods 0.000 description 2.239000007924 injection Substances 0.000 title claims abstract description 9.238000002347 injection Methods 0.000 title claims abstract description 9.Vandenberg Priority to US09/769,717 priority Critical patent/US6491512B2/en Publication of US20020098259A1 publication Critical patent/US20020098259A1/en Application granted granted Critical Publication of US6491512B2 publication Critical patent/US6491512B2/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links 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 Leo A. Vandenberg 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 - Fee Related Application number US09/769,717 Other versions US20020098259A1 ![]() ![]() ![]() Google Patents Two-stage ejection system for an injection moldÄownload PDF Info Publication number US6491512B2 US6491512B2 US09/769,717 US76971701A US6491512B2 US 6491512 B2 US6491512 B2 US 6491512B2 US 76971701 A US76971701 A US 76971701A US 6491512 B2 US6491512 B2 US 6491512B2 Authority US United States Prior art keywords plate ejection bushing ejector pin internal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6491512B2 - Two-stage ejection system for an injection mold US6491512B2 - Two-stage ejection system for an injection mold ![]()
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