US PATENT SUBCLASS 220 / 265
.~.~ Frangible member or portion

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
260  DF  .~ With closure opening arrangements for means (e.g., opening devices) {5}
265.~.~ Frangible member or portion {2}
266  DF  .~.~.~> About line or point of weakness {4}
277  DF  .~.~.~> With cutting, punching, or cutter accommodating means {2}

DEFINITION

Classification: 220/265

(under subclass 260) Device wherein the closure, or a portion thereof, is constructed to be ruptured or cut away in order to gain access to the receptacle contents. Rupturable solder joints are included.

(1) Note. Includes inner frangible closures which do not serve as packing means for the outer closure.

(2) Note. Includes puncturing devices for diaphragms, which permits of gas discharge.

(3) Note. Includes other parts of the receptacle than the end member or "closure".

SEE OR SEARCH THIS CLASS, SUBCLASS:

89.1+, for frangible diaphragms which act as outlets, when ruptured, for gas or a liquid at high pressure. 610+, for a seam or joint between a side wall and end wall.

612+, for closures fastened in place by solder or cement or other conventional means, and which are not of the "knockout type.

SEE OR SEARCH CLASS

137, Fluid Handling,

68.11+, for fluid flow control means controlled by a frangible member.

215, Bottles and Jars,

250+, for frangible caps for bottles and jars.

222, Dispensing,

541.1+, for dispensing devices with frangible elements for outlets.