초록 ▼

A plastics pour spout fitment (3) has not only a pour spour (4) thereof welded to plastics-coated paperboard packaging material (2), but also has a plunger (14) welded to a disc (8) of the material (2), the disc (8) being defined by a ring of weakening (6) in the material. Following purely linearly

A plastics pour spout fitment (3) has not only a pour spour (4) thereof welded to plastics-coated paperboard packaging material (2), but also has a plunger (14) welded to a disc (8) of the material (2), the disc (8) being defined by a ring of weakening (6) in the material. Following purely linearly axially inward displacement of the plunger (14) relative to the pour spout (4), preferably followed by rotation of the plunger (14) about the axis A of the fitment (3) relative to the spout (4), to detach the disc (8) from the remainder of the material (2), the plunger (14), and thus the disc (8), are removed from the pour spout (4) as a screw cap (12) is removed from the spout (4).

대표청구항 ▼

1. A pour spout fitment, comprising a pour spout having a longitudinal axis and adapted to be attached to packaging material, and a plunger in said pour spout and displaceable inwards along said axis relative to said pour spout to displace inwards a portion of said packaging material closing an inne

1. A pour spout fitment, comprising a pour spout having a longitudinal axis and adapted to be attached to packaging material, and a plunger in said pour spout and displaceable inwards along said axis relative to said pour spout to displace inwards a portion of said packaging material closing an inner end of the pour spout, an inner end of said plunger being adapted to be attached to an outer surface of said portion of said packaging material by one of glueing and welding, and the arrangement being such that, following the inward displacement of the plunger, the plunger and thus said portion are displaceable outwards along said axis relative to said pour spout to beyond said pour spout.