Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Cartridge system
Patent
1993-06-17
1995-01-31
Stodola, Daniel P.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Cartridge system
B32B 3116
Patent
active
053853121
ABSTRACT:
A tape cassette comprising a casing for housing a tape-like medium, which is made of synthetic resin; the casing including an upper half casing and a lower half casing, which are connected together at connecting portions as one unit; a cylindrical projection which is formed on either one of the upper half casing and the lower half casing, and which has a hollow recess and a receiving recess formed therein to be apart from each other by a partition wall; a pole-like boss which is formed on the other half casing to project therefrom, and which has an engagement rib and a supporting rib, the engaging rib being adapted to be inserted into the receiving recess of the cylindrical projection, and the supporting rib being adapted to support an abutting surface of the cylindrical projection; the supporting rib having an abutting surface formed thereon to receive the abutting surface of the cylindrical projection and to form a gap between melt-bonding surfaces of the cylindrical projection and the pole-like boss when the engagement rib of the pole-like boss is inserted into the receiving recess of the cylindrical projection during assemblage; and both melt-bonding surfaces being spot-melt-bonded as one unit by inserting a melt-bonding horn from the hollow recess.
REFERENCES:
patent: 3910692 (1975-10-01), Scibilia
patent: 5201476 (1993-04-01), Gelardi et al.
patent: 5288350 (1994-02-01), Kita
Kaneda Hiroshi
Katoh Hisao
Okamura Masatoshi
Darling John P.
Stodola Daniel P.
TDK Corporation
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