Bladder manufacturing worker (rubber bags)
ばっくなーせいぞうこう（ごむぶくろ）
Industry & Occupation
Classification
Summary
A manufacturing job that compounds rubber raw materials, shapes them through molding, vulcanization, and finishing processes to produce rubber bags. Involves machine operation, quality control, and equipment maintenance.
Description
Primarily kneads rubber raw materials (natural rubber, synthetic rubber, reinforcing agents, additives, etc.) and forms them into sheets using extruders or calender machines. After forming, presses with molds and heats and hardens using vulcanization equipment. After hardening, performs trimming, deflashing, dimensional inspection, and appearance inspection to confirm quality. Requires operation of production line machines, regular inspections, simple maintenance, adherence to work instruction sheets, and safety and health management. Also involved in improving yield rates and defect rates, 5S activities, data recording, and reporting.
Future Outlook
Stable job openings are expected due to demand from the packaging industry, but high machine operation skills will be required due to advancing automation.
Personality Traits
Work Style
Career Path
Manufacturing operator → Line leader → Production management → Factory manager
Required Skills
Machine operation / Quality inspection / Raw material compounding / Vulcanization process management
Recommended Skills
5S management / Machine maintenance / Safety and health knowledge
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | To prevent minute product defects. |
| Physical Stamina & Endurance | Due to long hours of standing work and handling heavy bags. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because work is generally done by prescribed methods. |
| Numerical & Quantitative Analysis | Mainly involves weighing and temperature control; no need for advanced numerical analysis. |
Related Qualifications
- Forklift Operation Skills Training
Aliases
- Rubber bag manufacturing worker
- Rubber bag molding worker
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