FR3128860A1 - Cylindrical stick with refillable screw - Google Patents

Abstract

Cylindrical stick with refillable screw Cylindrical stick with refillable screw made of five parts, a body (1) open at its ends is closed at the top by a cap (2) characterized by a refill (3) that can be screwed onto the open body (1 ) and including the bread raising mechanism; the refill (3) consists of a cylindrical reservoir tube (4) under which is clipped the knob (5) which rotates freely and whose threaded rod (32) passes through the inside of the reservoir tube (4) to operate by screwing a piston (6) on which the product is poured. Figure for abstract: Fig. 4

Description

Cylindrical stick with refillable screw

The existing sticks with cylindrical screws are made up of five parts, a body inside which a piston actuated by a wheel that can be grasped from the outside is closed at the top by a cap, the four parts are delivered assembled.

The product is poured hot in the liquid phase through the bottom of the stick which is then sealed with a topette, after cooling the product is in the form of a pasty loaf.

In use, after unscrewing the cap, by turning the wheel, the piston inside the body rises vertically pushing the pasty bread that comes out above the stick for application on the epidermis.

Within the framework of the European directive concerning the reduction in the weight of plastic materials, the present invention proposes a cylindrical stick with screws that can be partially dismantled by the consumer so that the latter can reuse the body and the cap, and replace the used pasty bread with a refill fitted with a mechanism for raising the bread.

This model consists of five parts, a body open at both ends is closed at the top by a cap, a three-piece refill containing the pasty bread is screwed and locked at the base of the stick.

According to the invention, the refill consists of a cylindrical reservoir tube fitted internally with four mini rods and whose horizontal bottom is connected externally to a threaded ring for screwing the refill onto the stick.

Under the horizontal bottom is clipped a wheel whose central threaded rod crosses the reservoir tube and actuates by screwing a piston immobilized in rotation by the four mini rods.

The product is poured hot in the liquid phase through the upper part of the reservoir tube on which is then sealed an aluminum complex film guaranteeing the tightness and inviolability of the refill.

Attaching the refill to the reusable stick body is very simple.

The reservoir tube is introduced through the bottom of the stick onto which it is screwed via the threaded ring attached to the reservoir tube.

At the end of this operation, the reservoir tube protrudes slightly above the stick, the tamper-evident film can be detached and the original cap screwed back on.

The reusable stick is ready to use again.

In use, after unscrewing the cap, by turning the dial the piston rises vertically inside the reservoir tube pushing the pasty bread outside the stick for application on the epidermis.

Various characteristics emerge from the detailed description which follows with reference to the appended figures, the shapes and volumes of which are given by way of indication and are not limiting.

Cylindrical screw stick fitted with a refill.

stick body.

cap.

assembled refill.

reservoir tube.

scroll wheel.

piston.

According to the invention, the cylindrical refillable screw stick is made up of five parts: an open body (1) at both ends and closed at the top by a cap (2), these two parts being reusable.

A refill (3) provided with a mechanism for raising the product and containing the pasty bread is screwed and locked at the base of the body (1), the refill (3) consists of three parts, a cylindrical reservoir tube (4) under which is clipped a wheel (5) whose central threaded rod (32) passes through the inside of the reservoir tube (4) to actuate by screwing a piston (6) immobilized in rotation by four rods (19) provided inside of the reservoir tube (4).

After pouring the product from the top of the reservoir tube (4), an aluminum complex film (7) is sealed to ensure the tightness and inviolability of the refill (3).

In use, by turning the wheel, the piston (6) rises vertically inside the reservoir tube (4) and pushes the pasty bread outside the stick for application on the epidermis.

The body (1), of cylindrical shape is open at both ends, the upper shouldered part (9) is externally provided with a thread (10) for screwing the cap (2), the lower part (11) is externally provided with a thread ( 13) and a knurling (12) for screwing and temporarily locking the refill (3).

The cap (2), consists of a cylindrical gripping skirt (14) with cover (15), internally a cone (16) seals against the cone (20) of the reservoir tube (4); under the cone (16) a shoulder (17) with a thread (18) allows the screwing of the cap (2) on the thread (10) of the shouldered upper part (9) of the body (1).

Refill (3), is made in three parts: a reservoir tube (4) inside which slides a piston (6) immobilized in rotation, the piston (6) is actuated by screwing the screw rod (32) of a knob ( 5) clipped to the base of the tank tube (4).

The reservoir tube (4) of cylindrical shape open at the top, is internally provided with four vertical rods (19) which penetrate into four female notches (35) made in the outer skirt (33) of the piston (6) to immobilize it in rotation.

The top of the reservoir tube (4) in the shape of a cone (20) serves as a support for the cone (16) of the cap (2) to ensure the tightness of the stick.

The reservoir tube (4) is connected to a horizontal bottom (21) externally supporting a cylindrical ring (22) provided with a knurling (23) and a thread (24).

Under the horizontal bottom (21) are molded two concentric mini-skirts, an outer mini-skirt (25) with clip cord (26) and a central mini-skirt (27), these two

mini-skirts being necessary for fixing and sealing the knob (5).

The wheel (5) consists of a cylindrical knurled ring (28) whose inner groove (29) marries the bead (26) of the outer mini-skirt (25) of the reservoir tube (4) to make the two parts integral while allowing the knob (5) to turn freely.

The knurled crown (28) is connected in the lower part to a horizontal plate (30) supporting in the center a cylindrical vertical chimney (31) which ensures the tightness of the tightening wheel inside the mini-skirt (27) of the reservoir tube (4).

The vertical chimney (31) supports a threaded rod not on the left (32) which passes through the assembly inside the tank tube (4).

The plunger (6) consists of a cylindrical outer skirt (33) with an inner bead (34) for hanging the pasty bread after cooling, on the periphery of the skirt (33) four female notches (35) hug the four vertical strips (19) of the tube reservoir (4) to prevent the piston (6) from rotating inside the reservoir tube (4).

The outer skirt (33) is secured in the lower part to a horizontal plate (36) supporting in the center a hub (37) with internal left-hand thread (38) for screwing the threaded rod (32) left-hand thread. the wheel (5).

The film (7) is sealed on top of the reservoir tube (4) after pouring the product, it is cut from a sheet of aluminum complex.

The assembly of the refill (3) is carried out by the injector, .

On the bottom (21) of the tank tube (4) is clipped the wheel (5) whose threaded rod (32) passes through the inside of the tank tube (4) and rotates freely, the chimney (31) of the wheel (5 ) is clamped inside the skirt (27) of the reservoir tube (4) to seal the refill (3).

The piston (6) introduced through the top of the reservoir tube (4) is immobilized in rotation by the vertical rods (19) which penetrate into the female notches (35) of the outer skirt (33).

By unscrewing the knob (5), the piston (6) immobilized in rotation descends inside the reservoir tube (4).

The product is poured hot in the liquid phase from the top of the reservoir tube (4), then an aluminum complex film (7) is sealed on the top of the reservoir tube (4) to guarantee the tightness and inviolability of the refill (3).

The installation of the refill (3) in the body (1) of the reusable stick is very simple.

The reservoir tube (4) introduced through the bottom of the body (1) is screwed onto the lower shouldered part (11) of the body (1), at the end of screwing the knurling (23) of the ring (22) is embedded in the knurling (12) of the body (1) to temporarily lock the refill (3); at the end of this operation, the reservoir tube (4) protrudes slightly above the body (1) to allow the user to detach the tamper-evident film (7).

The original cap (2) is then screwed back on, the stick is ready for use again.

In use, after having unscrewed the cap (2) and detached the tamper-evident film (7) by turning the knob (5), the piston (6) rises vertically pushing the pasty bread above the stick for a application to the epidermis.

The reuse of the body (1) and the cap (2), molded parts in thick walls, represents a plastic weight saving of about 30%.

Replacing a refill is an easy, practical and intuitive operation since all you have to do is unscrew the used refill and screw in a new one.

During the installation of the refill, the hygienic conditions are perfect, at no time are the hands in contact with the doughy bread.

The tightness of the refill during the storage period in the various stores is excellent.

Pouring the product from the top of the refill reservoir tube does not require any special equipment on the packaging lines.

The general aesthetics and use of a refillable cylindrical stick are identical to those on the market, i.e. standard stick without refill.

The industrial cost price of a three-piece refill is lower than that of a conventional cylindrical screw stick made up of five pieces.

Claims (7)

Cylindrical stick with refillable screw made in five parts, a body (1) open at its ends is closed at the top by a cap (2) characterized by a refill (3) that can be screwed onto the open body (1) and includes the mechanism for rising bread; the refill (3) consists of a cylindrical reservoir tube (4) under which is clipped the knob (5) which rotates freely and whose threaded rod (32) passes through the inside of the reservoir tube (4) to operate by screwing a piston (6) on which the product is poured. Cylindrical stick with a refillable screw according to claim 1, characterized by a reservoir tube (4) with a conical upper part (20) comprising four vertical rods (19) on the inside, the reservoir tube (4) open in the upper part is connected to a bottom (21 ) externally supporting a fixing ring (22) internally provided with a knurling (23) and a thread (24); under the bottom (21) are molded a mini-skirt (25) with clip cord (26), and in the central part a mini-skirt (27). Cylindrical refillable screw stick according to Claim 1, characterized by the wheel (5) consisting of a knurled cylindrical crown (28) whose inner groove (29) hugs the cord (26) of the mini-skirt (25) to make it secured to the reservoir tube (4) while being able to rotate freely; the crown (28) is connected in the lower part to a horizontal plate (30) whose central chimney (31) supports a vertical threaded rod (32) not to the left. Cylindrical refillable screw stick according to Claim 1, characterized by the piston (6) consisting of a cylindrical outer skirt (33) with an inner bead (34) for holding the bread, the skirt (33) comprises on its outer periphery four female notches (35), it is connected to a horizontal plate (36) provided in its central part with a hub (37) with internal thread, left-hand thread (38). Cylindrical stick with a refillable screw according to one of claims 1 to 4 characterized by the operating mode for packaging the refill (3), the product is poured hot in the liquid phase through the open upper part of the reservoir tube (4); an aluminum complex film (7) is sealed under the top of the reservoir tube (4) to ensure the tightness and inviolability of the refill (3). Cylindrical stick with refillable screw according to one of claims 1 to 5 characterized by the means for fixing the refill (3) on the stick, the reservoir tube is introduced through the open bottom of the body (1) which it passes through, the thread (24) of the ring (22) is screwed onto the thread (13) of the lower shouldered part (11) of the body (1) to secure the refill (3) to the body (1), at the end of screwing the ring (22) of the reservoir tube (4) is embedded in the knurling (12) for temporary locking of the refill (3); when the refill (3) is in place it protrudes slightly above the body (1) so that the tamper evident film (7) can be detached by the consumer. Refillable cylindrical screw stick according to one of claims 1 to 6, characterized in that the refill (3) is designed to reuse the original body (1) and cap (2).