Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adapted to 'form' recession in work
Patent
1986-10-01
1988-03-22
Bilinsky, Z. R.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adapted to 'form' recession in work
408714, 409185, B23C 316
Patent
active
047325143
ABSTRACT:
Disclosed is a device for use in reshaping the gate of a metal mould for plastic injection moulding. A device A for reshaping the gate recess 7 of a metal injection mould 3 for plastics injection moulding when the recess has become worn comprises a cylinder 9 containing a body 10 which is biased by a spring 15. A cutting tool 13, 13a is mounted on the front of the body 10 and is shaped to re-cut the recess 7 to the required shape. A pin 14 on the tool 13 fits in the gate 6 to centralize the tool 13. A plate 17 with a recess 16 to receive the tip of an injection nozzle 5 is rotatably mounted on the rear end of the cylinder 9 and holds the rear of the device A centered. In operation the cylinder 9 is rotated manually and turns the body 10 and the tool 13 with it owing to the keyway 11 and screw 12 forming a key. Since the device can be inserted and resiliently held between the metal mould 3 and the nozzle and reshaping is performed simply by rotating the device by hand, it is possible to reshape the recess 7 without removing the mould 3 from the moulding apparatus, thus resulting in a great saving of labor.
REFERENCES:
patent: 1016116 (1912-01-01), Walters
patent: 2522330 (1950-09-01), Wright
patent: 3302495 (1967-02-01), Schmid
patent: 3302526 (1957-02-01), Chendy et al.
patent: 3653780 (1972-04-01), Ammatuna
Bilinsky Z. R.
Kabushiki Gaisha Sankoh-Chemical
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