A vial capping device includes a cap installation ring, a holding device, a movement device, and a tightening motor. The cap installation ring has an inner periphery thread to be threadedly engaged with a thread of an outer peripheral surface of a cap. The holding device holds a vial during fastenin
A vial capping device includes a cap installation ring, a holding device, a movement device, and a tightening motor. The cap installation ring has an inner periphery thread to be threadedly engaged with a thread of an outer peripheral surface of a cap. The holding device holds a vial during fastening. The movement device brings a thread of the inner peripheral surface of the cap attached to the cap installation ring and an opening of the vial closer to each other. The tightening motor rotates one or both of the cap installation ring engaged with the cap and the holding device holding the vial. Thus, the vial capping device with a simple construction reliably fastens the cap to the vial.
대표청구항▼
The invention claimed is: , 1. A vial capping device to attach a cap to a vial, wherein a thread is provided on each of an inner peripheral surface and an outer peripheral surface of a cap, a thread being provided on an outer peripheral surface of a vial opening, the cap being equipped with an enga
The invention claimed is: , 1. A vial capping device to attach a cap to a vial, wherein a thread is provided on each of an inner peripheral surface and an outer peripheral surface of a cap, a thread being provided on an outer peripheral surface of a vial opening, the cap being equipped with an engagement portion, the vial being equipped with a rotation restricting portion, the vial being closed by threadedly engaging the thread of the inner peripheral surface of the cap with the vial opening, and rotation of the cap being locked through engagement of the engagement portion of the cap and the rotation restricting portion of the vial, the vial capping device comprising: a cap installation ring equipped with an inner periphery thread to be threadedly engaged with the thread of the outer peripheral surface of the cap in axial and rotational directions; a holding device to hold the vial; a movement device to move the thread of the inner peripheral surface of the cap attached to the cap installation ring to the thread of the opening of the vial; and a tightening motor to rotate at least one of the cap installation ring and the holding device. 2. The vial capping device according to claim 1, wherein a plurality of cap installation rings are provided to accommodate threads of different diameters. 3. The vial capping device according to claim 2, further comprising: a torque limiter between the tightening motor and the cap and the vial. 4. The vial capping device according to claim 1, further comprising: a torque limiter provided between the tightening motor and the cap and the vial. 5. The vial capping device according to claim 4, further comprising: a cap supply portion is provided below the cap installation ring, the cap is supplied to the cap supply portion so that the cap is substantially coaxial with the cap installation ring, and an approach device to move at least one of the cap supplied to the cap supply portion and the cap installation ring to be closer to each other. 6. The vial capping device according to claim 1, further comprising: a cap supply portion provided below the cap installation ring, the cap being supplied to the cap supply portion so that the cap is substantially coaxial with the cap installation ring, and an approach device to move at least one of the cap supplied to the cap supply portion and the cap installation ring to be closer to each other. 7. The vial capping device according to claim 6, further comprising: an installation motor to rotate at least one of the cap and the cap installation ring to threadedly engage the cap installation ring with the cap supplied to the cap supply portion. 8. The vial capping device according to claim 7, further comprising: a torque limiter provided in a rotation transmission route from the installation motor to the cap or the cap installation ring. 9. The vial capping device according to claim 8, further comprising: a retraction mechanism to cause the cap supply portion to retract from between the threadedly engaged cap and the vial opening after the cap supplied to the cap supply portion and the cap installation ring have been threadedly engaged with each other. 10. The vial capping device according to claim 6, further comprising: a retraction mechanism to cause the cap supply portion to retract from between the threadedly engaged cap and the vial opening after the cap supplied to the cap supply portion and the cap installation ring have been threadedly engaged with each other. 11. The vial capping device according to claim 10, further comprising: a chute to supply a stored cap to the cap supply portion; and a stopper to stop the cap between the cap supply portion and the chute, wherein the stopper is detached to supply a cap when there is no cap at the cap supply portion. 12. A vial capping device according to claim 10, wherein the retraction mechanism includes L-shaped guides to mount the cap on top of the L-shaped guides prior to threadedly engaging the cap installation ring with the cap, and the L-shaped guides are equipped with a spring to urge each of the L-shaped guides towards each other. 13. The vial capping device according to claim 6, further comprising: a chute to supply a stored cap to the cap supply portion; and a stopper to stop the cap between the cap supply portion and the chute, wherein the stopper is detached to supply a cap when there is no cap at the cap supply portion.
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이 특허에 인용된 특허 (13)
Guernieri,Daniele; Cavallari,Stefano, Centering and holding unit for capping head.
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