Apparatus for forming mercury-filled capillary tubes

Details Apparatus for forming mercury-filled capillary tubes Apparatus for forming mercury-filled capillary tubes

1978-04-27

1979-06-12

Bashore, S. Leon

Glass manufacturing

Glassworking or preform by or with reheating means

65270, 65272, 65276, 65279, 65283, 65292, 65108, 65113, 65DIG9, C03B 2300, C03B 2304

Patent

active

041579097

ABSTRACT:
The disclosure is of apparatus including two pairs of metal gripping blocks held together by a spring and mounted adjacent to wedge blocks carrying wedges for opening each pair. An operating plate is provided which drives the apparatus to cause the wedge blocks to open the gripping blocks to permit a length of capillary tubing filled with mercury to be inserted between the pairs of gripping blocks. The apparatus is then driven to cause the tubing to pass through a flame positioned to melt the tubing at a desired location and to form two separate seal portions at this location which are gripped by the two gripping blocks; and, on the next cycle, when the gripping blocks are opened, the portion of the tubing which is the desired capsule is released from its pair of gripping blocks and fed to a suitable receiver.

REFERENCES:
patent: 696467 (1902-04-01), McBerty
patent: 1721570 (1929-07-01), Millar
patent: 2282993 (1942-05-01), Dichter
patent: 2835079 (1958-05-01), Camarata et al.
patent: 3619158 (1971-11-01), Akhunuv et al.
patent: 3852054 (1974-12-01), Dichter

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