PLUNGER, ENCAPSULATING DEVICE AND METHOD FOR SEALING A FITTING OF A PLUNGER ON A PLUNGER HOUSING

摘要

The invention relates to a plunger (1, 10, 25, 40) for feeding encapsulating material to a mould cavity, comprising at least one peripheral groove (3, 11, 30, 41) recessed into the cylinder casing of the plunger whereby a material part (6, 12, 31, 42) is placed in the groove which only partly fills the groove The invention also relates to a device for encapsulating electronic components mounted on a carrier. In addition, the invention also relates to a method for sealing a fitting of a plunger housing, which plunger is adapted to feed encapsulating material under pressure to a mould cavity.