Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence)

Full Title

Covers or similar closure members for pressure vessels in general (for engines or like cylinders F16J10/00; sealings F16J15/02; covers for box-like containers B65D43/00; devices for securing or retaining closure members B65D45/00; closures for containers not otherwise provided for B65D51/00; manholes, covers for large containers B65D90/10; gates or closures for large containers B65D90/54; for vessels for containing or storing compressed, liquefied or solidified gases F17C13/06; steam boilers F22B) > Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence)

Child Classifications

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• F16J 13/04 attached with a bridge member
• F16J 13/06 attached only by clamps along the circumference
• F16J 13/08 attached by one or more members actuated to project behind a part or parts of the frame (similar constructions for doors or windows E05C9/00)
• F16J 13/10 attached by means of a divided ring
• F16J 13/12 attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like
• F16J 13/14 attached exclusively by spring action or elastic action