Built-in core drift
The utility model discloses a built-in core drift, include: dash type blade, the jumper bar the same with product blind hole shape, the one end of keeping away from the cutting edge towards the type blade is located to this jumper bar. This core drift can punch a hole to any product, can high-effici...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a built-in core drift, include: dash type blade, the jumper bar the same with product blind hole shape, the one end of keeping away from the cutting edge towards the type blade is located to this jumper bar. This core drift can punch a hole to any product, can high-efficient high grade, clean process the blind hole on the polyurethane foam product, have simple structure, convenient to use's advantage. |
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