A double-headed tube structure comprises a tube body, a first tube head, an annular retaining member and a second tube head. The first tube head and a first end portion of the tube body are hermetically connected together. A second end portion of the tube body is sleeved on an outer circumference of the annular retaining member. The second end portion of the tube body, the annular retaining member and the second tube head are hermetically connected together. The annular retaining member communicates with the tube body and the second tube head. The first and second tube heads are sealedly welded at both ends of the tube body by a two-step forming process. Through the annular retaining member, the tube body is not deformed in the two-step forming process, thereby improving the welding and sealing effect.

A dispenser actuator assembly (100) for actuating a dispenser (10) has a base member (102) operably connected to an actuator assembly (104). The dispenser (10) is in the form of a glass ampoule assembly (10) having a rupturable glass ampoule (12) containing a flowable material (M). The glass ampoule (12) is contained within an outer container (14). The glass ampoule assembly (10) has an applicator (16) positioned in the outer container (14). The dispenser actuator assembly (100) has the base member (102) that is configured to mount on the outer container (14). The actuator assembly (104) has a first actuator arm (132a) and a second actuator arm (132b) each pivotally connected to the base member (102). The first actuator arm (132a) has a first protrusion (150a) depending therefrom and the second actuator arm (132b) has a second protrusion (150b) depending therefrom. The first actuator arm (132a) and the second actuator arm (132b) are pivotable such that the first protrusion (150a) and the second protrusion (150b) engage the outer container (14) to rupture the glass ampoule (12).

A dispenser actuator assembly (100) for actuating a dispenser (10) has a base member (102) operably connected to an actuator assembly (104). The dispenser (10) is in the form of a glass ampoule assembly (10) having a rupturable glass ampoule (12) containing a flowable material (M). The glass ampoule (12) is contained within an outer container (14). The glass ampoule assembly (10) has an applicator (16) positioned in the outer container (14). The dispenser actuator assembly (100) has the base member (102) that is configured to mount on the outer container (14). The actuator assembly (104) has a first actuator arm (132a) and a second actuator arm (132b) each pivotally connected to the base member (102). The first actuator arm (132a) has a first protrusion (150a) depending therefrom and the second actuator arm (132b) has a second protrusion (150b) depending therefrom. The first actuator arm (132a) and the second actuator arm (132b) are pivotable such that the first protrusion (150a) and the second protrusion (150b) engage the outer container (14) to rupture the glass ampoule (12).

A double-headed tube structure and a double-headed tube structure are disclosed. The method includes the steps: a first tube head being sealedly welded to a first end portion of a tube body using a first mold, and then the first mold being removed; a second mold being inserted through the first tube head to a second end portion the tube body, the second end portion, an annular retaining member and a second tube head being sealedly welded together, and then the second mold being removed. The structure is that the second tube head is sealdedly welded to the tube body through the annular retaining member. The first and second tube heads are sealedly welded at both ends of the tube body by a two-step forming process. Through the annular retaining member, the tube body is not deformed in the two-step forming process, thereby improving the welding and sealing effect.

A double-headed tube structure comprises a tube body, a first tube head, an annular retaining member and a second tube head. The first tube head and a first end portion of the tube body are hermetically connected together. A second end portion of the tube body is sleeved on an outer circumference of the annular retaining member. The second end portion of the tube body, the annular retaining member and the second tube head are hermetically connected together. The annular retaining member communicates with the tube body and the second tube head. The first and second tube heads are sealedly welded at both ends of the tube body by a two-step forming process. Through the annular retaining member, the tube body is not deformed in the two-step forming process, thereby improving the welding and sealing effect.

There is provided an applicator head (10) for administration of a topical formulation, comprising a dosing aid for application of a predefined dose of the topical formulation. The applicator head (10) comprises an applicator surface (20) adapted to apply the topical formulation to a user's skin. The applicator surface (20) comprises an outlet opening (40). The dosing aid comprises a dose marking, or dose markings (60, 60′, 60″, 62′, 62″) on the applicator surface (20), wherein the dose marking (60, 60′, 60″, 62′, 62″) has a circular outline and a diameter D, and wherein the outlet opening (40) is disposed in the center of the circular outline, and wherein the dose marking (60, 60′, 60″, 62′, 62″) circumscribes an inner dosing compartment (64) that serves to measure the predefined dose of the topical formulation.

There is provided an applicator head (10) for administration of a topical formulation, comprising a dosing aid for application of a predefined dose of the topical formulation. The applicator head (10) comprises an applicator surface (20) adapted to apply the topical formulation to a user's skin. The applicator surface (20) comprises an outlet opening (40). The dosing aid comprises a dose marking, or dose markings (60, 60′, 60″, 62′, 62″) on the applicator surface (20), wherein the dose marking (60, 60′, 60″, 62′, 62″) has a circular outline and a diameter D, and wherein the outlet opening (40) is disposed in the center of the circular outline, and wherein the dose marking (60, 60′, 60″, 62′, 62″) circumscribes an inner dosing compartment (64) that serves to measure the predefined dose of the topical formulation.

A dispenser actuator assembly (100) for actuating a dispenser (10) is disclosed. The dispenser (10) is in the form of a glass ampoule assembly (10) having a rupturable glass ampoule (12) containing a flowable material (M). The glass ampoule (12) is contained within an outer container (14) wherein the outer container (14) has a first open end (22) and a second closed end (24). The glass ampoule assembly (10) has an applicator (16) positioned in the first open end (22). The dispenser actuator assembly (100) has a base member (102) configured to mount on the outer container (14). The dispenser actuator assembly (100) also has an actuator assembly (104) operably connected to the base member (102) wherein the actuator assembly (104) has a first actuator arm (132a) and a second actuator arm (132b) each pivotally connected to the base member (102). The first actuator arm (132a) and the second actuator arm (132b) extend from the base member (102) in generally opposed relation defining a first position. The first actuator arm (132a) has a first protrusion (150a) depending therefrom and the second actuator arm (132b) has a second protrusion (150b) depending therefrom. The first actuator arm (132a) and the second actuator arm (132b) are pivotable from the first position towards one another to a second position that is configured such that the first protrusion (150a) engages the outer container (14) and the second protrusion (150b) engages the outer container (14) to rupture the glass ampoule (12) wherein the flowable material (M) is configured to be dispensed from the glass ampoule assembly (10). The dispenser (10) can also be a plastic ampoule assembly (10) having a fracturable membrane (52) having a weld seam (56).

A dispenser actuator assembly (100) for actuating a dispenser (10) is disclosed. The dispenser (10) is in the form of a glass ampoule assembly (10) having a rupturable glass ampoule (12) containing a flowable material (M). The glass ampoule (12) is contained within an outer container (14) wherein the outer container (14) has a first open end (22) and a second closed end (24). The glass ampoule assembly (10) has an applicator (16) positioned in the first open end (22). The dispenser actuator assembly (100) has a base member (102) configured to mount on the outer container (14). The dispenser actuator assembly (100) also has an actuator assembly (104) operably connected to the base member (102) wherein the actuator assembly (104) has a first actuator arm (132a) and a second actuator arm (132b) each pivotally connected to the base member (102). The first actuator arm (132a) and the second actuator arm (132b) extend from the base member (102) in generally opposed relation defining a first position. The first actuator arm (132a) has a first protrusion (150a) depending therefrom and the second actuator arm (132b) has a second protrusion (150b) depending therefrom. The first actuator arm (132a) and the second actuator arm (132b) are pivotable from the first position towards one another to a second position that is configured such that the first protrusion (150a) engages the outer container (14) and the second protrusion (150b) engages the outer container (14) to rupture the glass ampoule (12) wherein the flowable material (M) is configured to be dispensed from the glass ampoule assembly (10). The dispenser (10) can also be a plastic ampoule assembly (10) having a fracturable membrane (52) having a weld seam (56).

A dispenser (10) for dispensing a flowable material M has a container (12) having an outer wall (20) and membrane (14) collectively defining a first chamber (22) configured to contain the flowable material M. The membrane (14) has a thickness and a weld seam (40) wherein the weld seam (40) has a thickness less than the thickness of the membrane (14). A fracturing mechanism (16) is operably connected to the container (12). The fracturing mechanism (16) has an extending member (64) projecting from the outer wall (20) of the container (12). The extending member (64) has a projection (66) positioned proximate the membrane (14), wherein in response to deflection of the extending member (64), the projection (66) deflects the outer wall (20) proximate the membrane (14) wherein the weld seam (40) fractures creating an opening (41) through the membrane (14) configured to allow the flowable material M to pass therethrough and from the dispenser (10).