The present invention relates to a chain link comprising a strip comprising a longitudinal core section and at least two longitudinal edge sections, wherein the thickness of the core section is higher than the thickness of the edge sections, preferably the strip comprising warp yarn A and warp yarn B, the titer of warp yarn A being higher than the titer of warp yarn B, and wherein the concentration of warp yarn A in the core section is higher than the concentration of yarn A in the edge sections of the strip and the concentration of warp yarn B in the edge sections is higher than the concentration of warp yarn B in the core section of the strip. The invention also relates to a chain comprising said chain link and to the use of said chain in different applications.

The present invention relates to a chain link comprising a strip comprising a longitudinal core section and at least two longitudinal edge sections, wherein the thickness of the core section is higher than the thickness of the edge sections, preferably the strip comprising warp yarn A and warp yarn B, the titer of warp yarn A being higher than the titer of warp yarn B, and wherein the concentration of warp yarn A in the core section is higher than the concentration of yarn A in the edge sections of the strip and the concentration of warp yarn B in the edge sections is higher than the concentration of warp yarn B in the core section of the strip. The invention also relates to a chain comprising said chain link and to the use of said chain in different applications.

To provide a versatile and easy-to-produce link plate that can reduce frictional resistance and keep surface pressure low while maintaining a small height of a guide-side end surface, and can secure a tensile strength, and a chain. The guide-side end surface of the link plate is made up of a flat portion formed by a flat surface parallel to a line connecting centers of connection holes at leading and trailing ends, and both end surface portions on both ends in the chain longitudinal direction of the flat portion. The both end surface portions are formed to come closer to the line connecting the centers of the leading-end and trailing-end connection holes as the both end surface portions extend further from the flat portion.

To provide a versatile and easy-to-produce link plate that can reduce frictional resistance and keep surface pressure low while maintaining a small height of a guide-side end surface, and can secure a tensile strength, and a chain. The guide-side end surface of the link plate is made up of a flat portion formed by a flat surface parallel to a line connecting centers of connection holes at leading and trailing ends, and both end surface portions on both ends in the chain longitudinal direction of the flat portion. The both end surface portions are formed to come closer to the line connecting the centers of the leading-end and trailing-end connection holes as the both end surface portions extend further from the flat portion.

The present disclosure relates to a link chain for use underground in mining. The link chain is produced from a steel material and has horizontal links and vertical links. Each horizontal link and each vertical link have sides running parallel to each other and connected to one another at the ends by means of rounded portions. Each side has a smaller cross-sectional area than the cross-sectional area of each rounded portion. The cross-sectional area of the sides of the horizontal link has a smaller width, with the same or smaller height, than the cross-sectional area of the rounded portion, and the cross-sectional area of the sides of the vertical link has a smaller height, with the same or smaller width, than the cross-sectional area of the rounded portion.

The present disclosure relates to a link chain for use underground in mining. The link chain is produced from a steel material and has horizontal links and vertical links. Each horizontal link and each vertical link have sides running parallel to each other and connected to one another at the ends by means of rounded portions. Each side has a smaller cross-sectional area than the cross-sectional area of each rounded portion. The cross-sectional area of the sides of the horizontal link has a smaller width, with the same or smaller height, than the cross-sectional area of the rounded portion, and the cross-sectional area of the sides of the vertical link has a smaller height, with the same or smaller width, than the cross-sectional area of the rounded portion.

The subject of the invention is a link for a rigid chain, and a rigid chain obtained by assembly of identical links. Each link has a body that is approximately in the shape of a fork and is provided with a heel connected by a base to two parallel flanges separated by a space intended to receive the heel of an adjacent link, the heel and each flange having an orifice configured to receive a joint rotary pin for articulating a link with respect to an adjacent link.

The subject of the invention is a link for a rigid chain, and a rigid chain obtained by assembly of identical links. Each link has a body that is approximately in the shape of a fork and is provided with a heel connected by a base to two parallel flanges separated by a space intended to receive the heel of an adjacent link, the heel and each flange having an orifice configured to receive a joint rotary pin for articulating a link with respect to an adjacent link.

The system may be a process and a device that allows for safety in swinging on a swing at a park, playground or swing set. The process may include fixing a chain, hook/connector and an anchor into a single chain assembly. The chain assembly may be dipped or submerged in a polymer coating and allowed to dry, forming a continuous coating over the chain assembly. The chain assembly may be secured to a swing seat using brackets to engage the anchor portion of the chain assembly. The polymer coating may partially or entirely coat the chain assembly while still allowing manipulation and deformation of the chain assembly. The polymer coating may provide easier gripping and safer swinging.

The system may be a process and a device that allows for safety in swinging on a swing at a park, playground or swing set. The process may include fixing a chain, hook/connector and an anchor into a single chain assembly. The chain assembly may be dipped or submerged in a polymer coating and allowed to dry, forming a continuous coating over the chain assembly. The chain assembly may be secured to a swing seat using brackets to engage the anchor portion of the chain assembly. The polymer coating may partially or entirely coat the chain assembly while still allowing manipulation and deformation of the chain assembly. The polymer coating may provide easier gripping and safer swinging.