Molds, mold assemblies and stack components
US11958223B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2019 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Apr 14, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2995/0094
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cavity plate assembly (400) for a preform mold (100), which includes a cavity plate (410) having an array of seats (412) and a corresponding array of cavity inserts (440) mounted to a front face (CVF) of the cavity plate (410) and in communication with a respective seat (412). Each cavity insert (440) includes a body (441) with a mounting face (441a) and a spigot (443) projecting from the mounting face (441a) and received in a respective seat (412) of the cavity plate (410) such that the mounting (441a) face abuts the front face (CVF) of the cavity plate (410). Each cavity insert (440) also includes a molding surface (448) along its length, at least two thirds of which extends beyond the cavity plate (410).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.