Method of producing lead storage batteries and jig for production thereof
AssigneeThe Furukawa Battery Co., Ltd.
InventorToshikazu Suzuki
Life of this patent
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Abstract
A process for producing a lead-acid battery, in which a lead bushing cast in a lid b of an assembled lead-acid battery A and a pole inserted through an insertion hole in the lead bushing are welded together by applying a laser beam thereto. At the time of the laser welding, as desired, a jig is so placed around the lead bushing as to surround it and the laser welding is carried out.
Claims20
A process for producing a lead-acid battery comprising the step of welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by a laser welding,
- wherein both the pole and the lead bushing are made of a lead-calcium based alloy, and at the time of the laser welding, a laser beam of a low output is applied first and thereafter a laser beam of a high output is applied.
A process for producing a lead-acid battery comprising the steps of:
- welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by laser welding;
- and
- welding the lead bushing and a tab terminal member fitly mounted on the lead bushing together by laser welding,
- wherein both the pole and the lead bushing are made of a lead-calcium based alloy, and at the time of the laser welding, a laser beam of a low output is applied first and thereafter a laser beam of a high output is applied.
A process for producing a lead-acid battery comprising the step of welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by a laser welding, wherein at the time of the laser welding, a laser beam of a low output is applied and thereafter a laser beam of a high output is applied.
A process for producing a lead-acid battery comprising the step of welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by a laser welding,
- wherein a lap density of beads in the laser welding of a pulsed type is in a range of 6 to 12 points per mm.
A process for producing a lead-acid battery comprising the step of welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by a laser welding,
- wherein at the time of laser-welding by applying the laser to terminal portions to be welded of the lead-acid battery, the terminal portions are surrounded by a lower cylindrical end portion of a cylindrical shield, and, in this state, fumes generated at the time of the laser-welding are sucked to be exhausted to the outside of the cylindrical shield through the exhaust port in the cylindrical shield.
A process for producing a lead-acid battery comprising the steps of:
- welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by laser welding;
- and
- welding the lead bushing and a tab terminal member fitly mounted on the lead bushing together by laser welding,
- wherein at the time of the laser welding, a laser beam of a low output is applied and thereafter a laser beam of a high output is applied.
A process for producing a lead-acid battery comprising the steps of:
- welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by laser welding;
- and
- welding the lead bushing and a tab terminal member fitly mounted on the lead bushing together by laser welding,
- wherein a lap density of beads in the laser welding of a pulsed type is in a range of 6 to 12 points per mm.
A process for producing a lead-acid battery comprising the steps of:
- welding together a lead bushing integrally cast in a lid of an assembled lead-acid battery and a pole inserted through the lead bushing by laser welding;
- and
- welding the lead bushing and a tab terminal member fitly mounted on the lead bushing together by laser welding,
- wherein at the time of laser-welding by applying the laser to terminal portions to be welded of the lead-acid battery, the terminal portions are surrounded by a lower cylindrical end portion of a cylindrical shield, and, in this state, fumes generated at the time of the laser-welding are sucked to be exhausted to the outside of the cylindrical shield through the exhaust port in the cylindrical shield.
Dependencies are inferred from the claim text.