3results about How to "With exhaust function" patented technology

This application discloses a tire mold, belonging to the field of tire mold technology. The tire mold includes: a base and a tread pattern shell. The base is provided with multiple positioning elements; the tread pattern shell is provided with a positioning groove, and the tread pattern shell is installed on the positioning elements. A flow guiding gap is formed between the tread pattern shell, the positioning elements, and the base. The flow guiding gap includes a first gap. The top surface of the positioning element abuts against the bottom wall of the positioning groove, and a first gap is formed between the tread pattern shell and the mounting surface. The base is provided with a first exhaust channel, and the positioning elements are provided with a second exhaust channel. The first exhaust channel and the second exhaust channel are connected, and the flow guiding gap is connected to the second exhaust channel. The tread pattern shell includes an arc-shaped transition section, which extends from the starting position to the side where the positioning groove is located. The tangent of the arc-shaped transition section at the starting position has an angle α with a preset direction, and the value range of α is: 0°≤α≤60°. This solves the technical problems of inconvenient tread pattern replacement and easy clogging of the exhaust structure in existing tire molds.

This utility model discloses a venting packaging container. The venting packaging container includes a cap, a container body, and a venting structure. The venting structure is a dual-channel structure, with one channel for material extrusion and the other channel for venting air from the container body. The venting packaging container of this utility model has a venting function, enabling the release of air or gases released from the decomposition of the material within the packaging container without opening it.

This technical solution discloses a non-spring-loaded, retractable spout with active venting function for a cup lid. It includes a handle, a rotating disc, a spout, and a lid. The handle rotates, causing the rotating disc to rotate as well. The rotating disc drives the spout in a linear motion, allowing the spout to sequentially close the water outlet channel, vent air from the cup to prevent splashing when the lid is opened, and balance the air pressure inside and outside the cup to facilitate the extraction of drinking water. The spout has an air inlet channel and a water outlet channel. Depending on the spout's position, the air inlet and water outlet channels allow for the opening or closing of airflow between the inside and outside of the cup. The lid is hinged to the handle for easy rotation. The technical problem solved by this solution is: designing a cup lid that requires no spring, prevents splashing when the lid is opened, and achieves three functions—carrying, operating, and locking—solely with just the handle, allowing the spout to extend and retract linearly within a certain angle range.