A spring on spring condom has one spring action established by the elasticity of the condom material and the spring on spring condom has another spring action established by a spring formation on the condom that is attributable to a combination of the shape of the spring formation and the elasticity of the condom material; a method for forming the condom includes the steps of providing a mold having a spring shape on the exterior of a dipping mold adjacent the end thereof and dipping the mold into an elastomeric material for forming a thin layer of material thereover that when removed from the mold will have the configuration of a spring on spring condom.
申请公布号
US6000398(A)
申请公布日期
1999.12.14
申请号
US19980186797
申请日期
1998.11.05
申请人
ALLA, RAVIKUMAR;ALLA, MADHUSUDHAN;ALLA, RAGHUNATHA;REDDY, ALLA V. K.
发明人
ALLA, RAVIKUMAR;ALLA, MADHUSUDHAN;ALLA, RAGHUNATHA;REDDY, ALLA V. K.