초록 ▼

A child resistant cap and tube assembly with a tube for containing a product and having an end portion terminating in an axially centered open surface at its outer perimeter and having a recessed thin wall below the surface to seal the tube. The tube has a second surface of interference to axial mov

A child resistant cap and tube assembly with a tube for containing a product and having an end portion terminating in an axially centered open surface at its outer perimeter and having a recessed thin wall below the surface to seal the tube. The tube has a second surface of interference to axial movement on the end which is a predetermined distance from the perimeter. A cap is also provided, having a central axis for alignment with the tube and sized to slidably engage the end portion. The cap also has a resistance surface for engaging the surface of interference at a predetermined distance to locate the cap on the end portion at a first position to protect the recessed thin wall. The cap has an axially centered puncture means positioned inside said cap to puncture the recessed thin wall upon movement of the cap to a second position for opening the tube. Finally, the surface of interference and the resistance surface are positioned to cooperatively resist movement of the cap to the second position with a force sufficient to prevent inadvertent movement to that second position.

대표청구항 ▼

A child resistant cap and tube assembly, comprising: a tube for containing a product and having an end portion with a thin wall section puncturable to provide a discharge opening; said tube further having a surface of interferences to axial movement on said end portion; a cap having a central axis f

A child resistant cap and tube assembly, comprising: a tube for containing a product and having an end portion with a thin wall section puncturable to provide a discharge opening; said tube further having a surface of interferences to axial movement on said end portion; a cap having a central axis for alignment with said tube and sized to slidably engage said end portion; an axially centered puncture means positioned inside said cap normally spaced from said thin wall section in a first position and operable to puncture said recessed thin wall upon movement of said cap to a second position for opening said discharge opening; said surface of interference and said resistance surface cooperatively resisting movement of said cap to said second position with a force sufficient to prevent inadvertent movement to said second position; said end portion of said tube and said cap being mutually tapered to provide a snug fit therebetween; and said cap being made from a material capable of expanding under force to permit movement of said cap to said second position on said tube upon application of said sufficient force.