Cigarette testing device

A sealing element for use in pneumatically testing cigarettes or similar rod-like articles, comprising a seat capable of sealing against the end face of a cigarette to be tested, and a tube having a passage in communication with the seat, wherein the seat and tube are connected by a resilient part adapted to permit longitudinal movement of the seat relative to the tube on engagement of a cigarette end with the seat, wherein the seat, tube and resilient part are integrally formed from elastomeric material.

A sealing element for use in pneumatically testing cigarettes or similar rod-like articles, comprising a seat having a part-conical surface for engaging the end face of a cigarette so as to effect a seal only with the end face of the cigarette for testing, the end face being a surface which is transverse to the axis of the cigarette;

• a tube having a passage in communication with said seat;
• and a resilient part, including a collar having at least one convolution immediately adjoining the seat and providing a coupling between said seat and said tube, for permitting longitudinal movement of the seat relative to the tube on engagement of a cigarette end with the seat, wherein the seat, tube and resilient part are integrally formed.

A sealing element for use in pneumatically testing cigarettes or similar rod-like articles, comprising annular seat means for sealing only against the end face of a cigarette to be tested, the end face being a surface which is transverse to the axis of the cigarette, a tubular member having an unobstructed axial flow passage, and resilient means connecting said seat means to said tubular member for permitting longitudinal movement of said seat means relative to the tube member on engagement of a cigarette end with the seat means.

A sealing element for use in pneumatically testing cigarettes or similar rod-like articles, comprising annular seat means for sealing against the end face of a cigarette to be tested, a tubular member having an axial passage, and resilient means connecting said seat means to said tubular member for permitting longitudinal movement of said seat means relative to the tube member on engagement of a cigarette end with the seat means, wherein said seat means, said resilient means and said tubular member are disposed in axial alignment and are integrally formed.