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Foundry Mold and Coremakers: Workplace Records

A pattern used to form a mold and a core positioned inside it are different objects with different places in the work sequence. If a workplace concern refers loosely to a mold problem, identify the component and stage actually discussed. Otherwise, a surface observation can be confused with a later assembly concern.

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Free initial case evaluation. Representation depends on work state and case eligibility. This guide explains record preparation; it does not determine whether a legal claim exists.

A record map for your role

What to organize first

  1. Component identity

    Name the mold, core or core box actually discussed.

  2. Pattern-stage record

    Keep the pattern positioning and handoff together.

  3. Reassembly stage

    Separate core placement from the earlier pattern work.

Start with the work you actually do

Make or form wax or sand cores or molds used in the production of metal castings in foundries.

O*NET classifies this occupation as Foundry Mold and Coremakers (51-4071.00). Its description covers a typical occupation, not every workplace or individual job. It does not establish employee status, overtime eligibility or employer misconduct.

  • Clean and smooth molds, cores, and core boxes, and repair surface imperfections.Source task 12050 · updated 08/2023
  • Position patterns inside mold sections, and clamp sections together.Source task 12053 · updated 08/2023
  • Position cores into lower sections of molds, and reassemble molds for pouring.Source task 12054 · updated 08/2023

Name the component with the surface issue

Record whether the observation concerned a mold, core or core box and which surface condition was reported. Keep a repair request and any later observation separately dated. Do not infer that every component in an assembly shared the same condition. Use permitted references rather than removing or recreating foundry material for an employment record.

Identify the pattern-stage handoff

Describe which pattern and mold sections the reported positioning or clamping issue involved. Note when your assigned part of the work was handed over and what information accompanied it. Keep this stage separate from the later positioning of a core. The presence of your name on one assignment does not establish who performed every subsequent assembly step.

Keep core placement and reassembly distinct

Connect the disputed core or mold-section reference to the reassembly stage discussed in the feedback. State whether you observed that stage or learned about it afterward. Record a missing handoff reference as a gap instead of attributing a later casting problem to an earlier worker. This guide supplies no mold-building, pouring or handling instructions.

Source context and limits

This guide uses three selected O*NET 31.0 tasks for Foundry Mold and Coremakers, dated August 2023 (3 core). Supplemental tasks describe additional occupational duties, not duties performed in every job. These tasks provide occupational context for organizing an employment record. They are not current operating instructions, inspection standards or a finding about any employer or worker. Follow the authorized procedures at your workplace; the source does not determine whether an employment claim exists.

Choose your next step

Review the workplace retaliation guide, unpaid wages guide, or discrimination guide if those concerns fit your experience. A job title alone does not establish a claim.

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Sources and editorial notes

Guide updated 2026-10-20. Occupation description and selected tasks: O*NET occupation profile, database 31.0. Individual task update dates are shown above; they can predate the database release.

This guide uses O*NET 31.0 data from the U.S. Department of Labor, Employment and Training Administration, developed by the National Center for O*NET Development. YesLawyer selected occupational tasks and added workplace-record guidance; O*NET does not endorse this guide.

Creative Commons Attribution 4.0 · Source database. The checklist and preparation sections are YesLawyer editorial guidance, not O*NET legal advice.