# US 2014/0197199 A1 · Screw cap with a cutting sleeve > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0197199 A1 - Document ID: US20140197199A1 - Status: Published application - Kind: A1 - Application number: 14/238,217 - Filed: 2012-06-19 - Published: 2014-07-17 - Earliest claimed: 2011-08-12 - Assignees: Robert Bosch GmbH - Inventors: Dan Barron - Web page: https://patentgrep.com/patent/US20140197199A1 ## CPC - B65D 51/243: {combined with an opening device (B65D51/22 takes precedence)} - B65D 5/748: {a major part of the container wall or membrane being left inside the container after the opening} - B65D 47/247: {moving linearly, i.e. without rotational motion} - B65D 47/38: with piercing means arranged to act subsequently as a valve to control the opening - B65D 75/5877: {connected to a planar surface of the package wall} - B65D 2401/25: Non-metallic tear-off strips - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES ## Abstract For the first time, a screw cap (1) is realized with which a tubular bag to which the screw cap (1) is attached can be opened by a self-cutting process and metered dispensing from a metering opening (31) is simultaneously realized. The screw cap (1) consists of a lower part (2), on which a spacing means (4), used in practical terms as transport protection, is placed, and onto which a cutting sleeve (3) with a lateral metering opening (31) is screwed. The container can be opened by means of the cutting sleeve (3) and thereafter its contents can be dispensed in a metered manner by means of a valve piston (5) that is guided in the cutting sleeve (3) by a screwing movement. In the closed state, the valve piston (5) reaches into the cylinder (30) of the cutting sleeve (3) underneath the metering opening (31) and seals the cylinder (30), which is open at both ends, off against the container that is welded to the flange (21) of the lower part (2). ## Claims ### Claim 1 A screw cap (1), consisting of a lower part (2), which comprises a cylindrical tubular section (20) having threads (22) and a terminal flange (21) for attaching to a closed container made from film material, and a cutting sleeve (3) connected to the threads (22) of the lower part (2) by means of a threaded connection, characterized in that the cutting sleeve (3) protrudes beyond the lower part (2) and a lateral metering opening (31) as well as an internal thread (39), in which a valve piston (5) is situated that closes and opens the lateral metering opening (31), is located in the region where the cutting sleeve (3) protrudes beyond the lower part (2), said valve piston engaging in a sealing manner in the cutting sleeve (3) in a region beneath the lateral metering opening (31). ### Claim 2 (depends on 1) The screw cap (1) according to claim 1, characterized in that the cutting sleeve (3) has double walls (33) beneath the lateral metering opening (31), said double walls (33) comprising an unthreaded inner lateral wall (35) having a terminal cutting edge as cutting means (38) and an outer lateral wall (34) having an internal thread (36) which meshes with the threads (22) on the lower part (2), and in that the outer lateral wall (34) is shorter in an axial direction than a height of the cylindrical tubular section (20) of the lower part (2). ### Claim 3 (depends on 2) The screw cap (1) according to claim 2, characterized in that a spacing means (4) is mounted prior to the initial use between the flange (21) of the lower part (2) and a lower edge of the outer lateral wall (34) of a region of the double-walled (33) of the cutting sleeve (3). ### Claim 4 (depends on 3) The screw cap (1) according to claim 3, characterized in that the spacing means (4) is an open or closed spacing ring (40) which rests against the lower part (2). ### Claim 5 (depends on 3) The screw cap (1) according to claim 3, characterized in that the spacing means (4) is a tamperproof strip (40), which is connected via predetermined breaking point bridges to the outer lateral wall (34) of the double-walled region (33) of the cutting sleeve (3). ### Claim 6 (depends on 1) The screw cap (1) according to claim 1, characterized in that the valve piston (5) is a hollow cylinder (55), which is closed by a terminal top surface (52) and is provided with a circumferential apron (53) that serves as a gripping surface. ### Claim 7 (depends on 1) The screw cap (1) according to claim 1, characterized in that stop means (51) are integrally formed on the valve piston (5), said stop means delimiting an opening region of the valve piston (5). ### Claim 8 (depends on 1) The screw cap (1) according to claim 1, characterized in that at least one circumferential sealing bead (37) is located in the cutting sleeve (3) at least approximately at a height of the lower edge of the metering opening (31). ### Claim 9 (depends on 1) The screw cap (1) according to claim 1, characterized in that barbs (34′) oriented radially to an inside are integrally formed on a lower edge of an outer lateral wall (34) of the cutting sleeve (3), said barbs being capable of directly or indirectly hooking into the lower part (2) in an assembled state after initial opening. ### Claim 10 (depends on 6) The screw cap (1) according to claim 6, characterized in that the hollow cylinder (55) of the valve piston (5) has an external thread (56) which meshes with an internal thread of the cutting sleeve (36). ### Claim 11 (depends on 1) The screw cap (1) according to claim 1, characterized in that a circumferential sealing lip or sealing bead is integrally formed on a lower edge of the valve piston (5). ### Claim 12 (depends on 7) The screw cap (1) according to claim 7, characterized in that the stop means includes a stop lip (51) disposed in such a way that said stop lip (51) strikes against an inner upper edge of the metering opening (31) at an uppermost position of the valve piston (5). ### Claim 13 (depends on 12) The screw cap (1) according to claim 12, characterized in that a closed formed-out area (61) which is diametrically opposite the metering opening (31) and corresponds in shape and size to said metering opening (31) is integrally formed on the cutting sleeve (3). ### Claim 14 (depends on 13) The screw cap (1) according to claim 13, characterized in that two stop means (51) which are diametrically opposed to each other are located on the valve piston (5) and one stop means (51) comes to rest on the inner upper edge of the lateral metering opening (31) and an other stop means comes to rest on an upper inside edge of the formed-out area (61) in the uppermost opening position. ### Claim 15 (depends on 1) The screw cap (1) according to claim 1, characterized in that a closed formed-out area (61) which is diametrically opposite the metering opening (31) and corresponds in shape and size to said metering opening (31) is integrally formed on the cutting sleeve (3).