摘要:
The invention relates to cord (20) comprising a number of filaments twisted together. The peripheral surface of the cord (20) is at least partially coated with an adhesion promoting coating (24). The adhesion promoting coating (24) comprises at least a first layer comprising a silicon based coating, a titanium based coating, a zirconium based coating or a combination thereof. The invention further relates to a composite material comprising such a cord (20) embedded in a polymer material. Furthermore the invention relates to a method to manufacture such a cord (20).
摘要:
A steel cord according to the invention comprises a metal core strand (11) and adjacent layer of steel elements (13). Between metal core strand (11) and adjacent layer of steel elements (13), a polymer layer (16) with a minimum thickness of more than 0.02mm is provided. These steel cords are to be used to reinforce off-the-road tires or conveyor belts.
摘要:
The present invention refers to a metal rope with improved features, in particular having high ultimate tensile strength and a high number of sustainable fatigue cycles. The metal rope (10) according to the present invention consists of a plurality of strands (12) wound around a central core (14) and is characterised in that the central core (14) is made of a fibre spun from a liquid-crystal polymer. Preferably, this fibre spun from a liquid-crystal polymer is Vectran ™ .
摘要:
A steel cord according to the invention comprises a metal core strand (11) and adjacent layer of steel elements (13). Between metal core strand (11) and adjacent layer of steel elements (13), a polymer layer (16) with a minimum thickness of more than 0.02mm is provided. These steel cords are to be used to reinforce off-the-road tires or conveyor belts.
摘要:
In a composite of a vulcanizable rubber or rubber-like composition with one or more metal reinforcement elements embedded therein, the metal reinforcement element is coated with a polymer or non-cured rubber composition compatible with and co-polymerizable, co-vulcanizable or crosslinkable with said vulcanizable rubber composition to be reinforced, and additionally bearing functional groups either covalently bonding to the metal surface of said reinforcement element or forming covalent bonds with the outward directed first functional groups of a mono- or multimolecular layer of a bifunctional adhesion promotor intercalated between said metal and said coating and bound to said metal by its second functional groups. A cured rubber or rubber-like product, for instance a pneumatic tire, is obtained by vulcanization of such a composite.
摘要:
Procédé pour traiter un corps en acier, de façon à favoriser son adhésion à une composition comportant au moins un caoutchouc, comportant les points suivants :
on utilise un corps dont au moins la surface est en acier inoxydable, cet acier comportant au moins 0,02 % et au plus 0,2 % de carbone, au moins 3 % et au plus 20 % de nickel, au moins 12 % et au plus 28 % de chrome, la somme du nickel et du chrome étant au moins égale à 20 % et au plus égale à 35 %, toutes ces valeurs en % étant en poids ; la structure de l'acier comporte au moins 20 % en volume de martensite et elle est dépourvue d'austénite ou elle en comporte moins de 80 % en volume ; on active la surface du corps et on la traite ensuite avec au moins un silane de départ pour qu'elle soit recouverte d'un film constitué uniquement, ou pratiquement uniquement, d'un ou plusieurs silanes, de telle sorte que cette surface ainsi traitée peut être mise directement au contact de la composition.
Articles comportant une composition de caoutchouc et un corps métallique traité selon le procédé conforme à l'invention, ces articles étant par exemple des enveloppes de pneumatiques.
摘要:
The invention relates to a rope made of textile fiber material for applications in which oblique pulling can occur, characterized in that the rope is a core-and-sheath rope, the core (1) and sheath of which are substantially made of textile fiber material, the core (1) of which is stranded, and which has a friction-locking winding of a tension element (2, 2', 2'') between the core (1) and the sheath.
摘要:
A rope system (10, 20) comprising a splice structure (12, 22) with an intact portion (23) comprising at least 8 intact strands (32, 34), and a disassembled portion (26) comprising at least 4 loose strands (30), wherein the intact portion (23) is a braid of at least 4 S oriented (32) and at least 4 Z oriented intact strands (34), wherein at least one loose strand (30) of the disassembled portion (26) passes under and over intact strands (32, 34) of the intact portion (23), and at least one loose strand (30) passes under at least one X-tuck (38) of intact strands (32, 34). By this means the splice length can be minimized resp. slippage of the splice at high loads can be avoided.