The invention relates to a rigid shell (10) for a flexible tube (12), which comprises: a body (20) having a longitudinal main orientation, which is made up of an upper wall (26), a lower wall (28) located opposite and separated from the upper longitudinal wall (26), and two side walls (30) connecting the upper wall (26) and the lower wall (28), a rigid head (22) located at a front longitudinal end of the body (20) which includes a central opening (32), the shell being made in a single piece from a rigid material, the rear longitudinal end of each side wall having a boss which projects towards the inside from the inner surface of the side wall.

The invention relates to a rigid shell (10) for a flexible tube (12), which comprises: a body (20) having a longitudinal main orientation, which is made up of an upper wall (26), a lower wall (28) located opposite and separated from the upper longitudinal wall (26), and two side walls (30) connecting the upper wall (26) and the lower wall (28), a rigid head (22) located at a front longitudinal end of the body (20) which includes a central opening (32), the shell being made in a single piece from a rigid material, the rear longitudinal end of each side wall having a boss which projects towards the inside from the inner surface of the side wall.

A laminate tube with an invisible longitudinal overlapped side seam formed from overlap welding an edge of one margin of a laminate sheet comprising an outer plastic layer (A), a barrier layer (B), and an inner plastic layer (C) of the same material type as the outer plastic layer (A) to the other edge of the opposite margin of the laminate sheet, such that an inner surface of the laminate tube has a hump in a overlapped region, while an outer surface of the laminate tube is smooth without a hump in the overlapped region; and a process for manufacturing the laminate tube by a laminate tube manufacturing machine. The laminate permits fracture-proof welding of longitudinal margins of said laminate to give a continuous tube which is suitable for manufacturing of high-quality plastic tubes, high-quality plastic bags and the like.

A laminate tube with an invisible longitudinal overlapped side seam formed from overlap welding an edge of one margin of a laminate sheet comprising an outer plastic layer (A), a barrier layer (B), and an inner plastic layer (C) of the same material type as the outer plastic layer (A) to the other edge of the opposite margin of the laminate sheet, such that an inner surface of the laminate tube has a hump in a overlapped region, while an outer surface of the laminate tube is smooth without a hump in the overlapped region; and a process for manufacturing the laminate tube by a laminate tube manufacturing machine. The laminate permits fracture-proof welding of longitudinal margins of said laminate to give a continuous tube which is suitable for manufacturing of high-quality plastic tubes, high-quality plastic bags and the like.

A paper squeeze tube is revealed. The paper squeeze tube includes a cap, a front tube, a rear tube, and a clamping ring. The paper squeeze tube is completely made of environmentally-friendly materials to replace conventional squeeze tube made of plastic or aluminum. The cap, a front tube, and a clamping ring are made of biodegradable plant materials which is mainly formed by bamboo powder. The cap is connected to a tube body of the front tube while the rear tube is made of waterproof paper and having an upper end connected with the front tube. The front tube and the cap work together to seal the upper end of the rear tube and further form an intact and sealed paper squeeze tube. The paper squeeze tube is suitable for substances or commodities such as toothpaste, engine lubricant, oils, adhesives, and facial cleanser.

A first packaging material includes at least one layer located in both a first region and a second region. A second packaging material includes at least one layer located in both the first region and the second region. The hole includes a proximate position where the distance between the hole and the outer edge of the pouch in a center-of-gravity direction is shortest, the center-of-gravity direction being a direction in which a center-of-gravity line passing through the center of the pouch and the center of the hole extends. A communication part is connected with the hole at a position that is spaced apart from the proximate position in a direction orthogonal to the center-of-gravity direction. The outline of the communication part that extends from the hole to the outer edge includes a first line and a second line. The first line is located closer to the proximate position than is the second line. In the center-of-gravity direction, the distance from a first connection point to the outer edge is greater than the distance from the proximate position to the outer edge, the first connection point being a point where the first line is connected with the hole.

A first packaging material includes at least one layer located in both a first region and a second region. A second packaging material includes at least one layer located in both the first region and the second region. The hole includes a proximate position where the distance between the hole and the outer edge of the pouch in a center-of-gravity direction is shortest, the center-of-gravity direction being a direction in which a center-of-gravity line passing through the center of the pouch and the center of the hole extends. A communication part is connected with the hole at a position that is spaced apart from the proximate position in a direction orthogonal to the center-of-gravity direction. The outline of the communication part that extends from the hole to the outer edge includes a first line and a second line. The first line is located closer to the proximate position than is the second line. In the center-of-gravity direction, the distance from a first connection point to the outer edge is greater than the distance from the proximate position to the outer edge, the first connection point being a point where the first line is connected with the hole.

A container, in particular a plastic container with a base region, a main body which adjoins this base region and is suitable to receive a volume of liquid, and with a mouth region, wherein the container can be compressed along its longitudinal direction for the removal of liquid located in the container is provided. On the base region a base cup is disposed which forms a base surface for the container and which when the container is compressed can also serve as a die element and/or die counter-element for compressing the container.

An environmentally friendly bicycle chain and gear maintenance system includes an ecologically friendly package of highly recyclable material such as one of a metal or glass container with an integral brush applicator; or a paper container with a wax or other oil-resistant, non-permeable interior. The environmentally friendly bicycle chain and gear maintenance system includes a lubricant contained within the package, the lubricant being substantially free of petroleum oil distillates and comprising one of either a lanolin based lubricant which comprises a mixture of lanolin within a carrier, wherein the carrier is a non-drying or semi-non-drying, plant-based oil or a water soluble lubricant comprising a mixture of 25% to 75% of a surfactant which is a soap and 25% to 75% of glycerin.

A one-way valve adapted to be provided in a pressable container from which material is ejected wherein the valve includes: two adjacent tongues extending from a circumference of the pressable container, wherein the two adjacent tongues have two states: a first state wherein the tongues are not folded on a fold line, thereby the material passes between the tongues; and a second state wherein the tongues are folded on the fold line and prevent passage of material through them; and an opening, for ejecting the material therethrough at the first state, wherein the opening is disposed above the fold line at the first state, and below the fold line at the second state.