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US 11,247,281 B2Granted
Anchor bolt machining apparatus
AssigneeLG Chem, Ltd.
InventorJong Hyuk Park
Life of this patent
Estimating the term…
Abstract
An anchor bolt machining apparatus including an anchor bolt machining die and a die holder. The anchor bolt machining die includes a first head portion for fixing an anchor bolt and a first body portion receiving a screw machining die and the die holder includes a second head portion coupled to a rotational force supply device, a support portion coupled to the anchor bolt machining die, and a second body portion connecting the second head portion and the support portion.
Claims13
An anchor bolt machining apparatus comprising:
- an anchor bolt machining die;
- and
- a die holder,
- wherein the anchor bolt machining die includes a first head portion for fixing an anchor bolt and a first body portion receiving a screw machining die,
- wherein the die holder includes a second head portion coupled to a rotational force supply device, a support portion coupled to the anchor bolt machining die, and a second body portion connecting the second head portion and the support portion to each other,
- wherein the first head portion includes a drain hole, and
- wherein a portion of an upper surface of the screw machining die faces the drain hole.
4 more elements
An anchor bolt repairing method, the method comprising:
- cutting a corroded portion of an anchor bolt;
- introducing a screw machining die into a first body portion of an anchor bolt machining die;
- inserting an end portion of the anchor bolt, from which the corroded portion was cut away, into a first head portion of the anchor bolt machining die of an anchor bolt machining apparatus;
- coupling the anchor bolt machining die and a die holder;
- injecting a lubricant into the die holder;
- coupling a rotational force supply device to a second head portion of the die holder;
- and
- supplying rotational force to the rotational force supply device to machine the anchor bolt.
5 more elements
An anchor bolt repairing method, the method comprising:
- cutting a corroded portion of an anchor bolt;
- providing an anchor bolt machining apparatus, wherein the anchor bolt machining apparatus comprises:
- an anchor bolt machining die;
- and
- a die holder,
- wherein the anchor bolt machining die includes a first head portion for fixing an anchor bolt and a first body portion receiving a screw machining die, and
- wherein the die holder includes a second head portion coupled to a rotational force supply device, a support portion coupled to the anchor bolt machining die, and a second body portion connecting the second head portion and the support portion to each other;
- introducing the screw machining die into the first body portion of the anchor bolt machining die;
- inserting an end portion of the anchor bolt, from which the corroded portion has been cut away, into the first head portion;
- coupling the anchor bolt machining die and the die holder;
- injecting a lubricant into the die holder;
- coupling a rotational force supply device to the second head portion of the die holder;
- and
- supplying rotational force to the rotational force supply device to machine the anchor bolt.
11 more elements
Dependencies are inferred from the claim text.