摘要:
The invention relates especially to a process for the production of cold, comprising at least one stage of adsorption of carbon dioxide by an adsorbent solid substance and at least one stage of desorption of the carbon dioxide adsorbed in the said adsorbent substance, in which the said adsorbent substance comprises activated carbon fibers or an active charcoal and has a specific surface of at least 700 m.sup.2 /g and an external specific surface of at least 0.005 m.sup.2 /g.
摘要:
A gliding mechanism for a gliding recliner seating assembly comprises a floor-standing base having a longitudinal cross member parallel to a width of the seating assembly. Two front connecting links and two back connecting links respectively connect, pivotally, front and back portions of the seating assembly to the floor-standing base. The longitudinal cross member supports a weight transferred by the seating assembly to the floor-standing base and is positioned closer to the back portion of the seating assembly than to the front portion of the seating assembly. The gliding mechanism can be made part of a gliding recliner chair, for example an armchair, having vertical side frames pivotally connected to the floor-standing base. A footrest can be added to the seating assembly and be operated in extended position without preventing gliding movement of the chair. The floor-standing base may comprise a pivoting portion allowing rotation of the chair.
摘要:
An articulated footrest assembly for a seating unit comprises a footrest member moveable between a retracted position and an extended position, a telescopic linkage for extending and retracting the footrest member between the retracted and extended positions, and an actuating linkage. The footrest member comprises proximal and distal portions while the telescopic linkage comprises a stationary support member mounted to the seating unit, a first telescoping arm, and a second telescoping arm. The first telescoping arm has a distal end connected to the proximal portion of the footrest member through a first pivot. The second telescoping arm has a distal end connected to the footrest member between the proximal and distal portions through a second pivot spaced apart from the first pivot. The actuating linkage comprises a first linkage portion interposed between the stationary support member and the first telescoping arm and a second linkage portion interposed between the first and second telescoping arms. When the actuating linkage is operated, the first linkage portion moves the first telescoping arm in one of forward and rearward directions relative to the stationary support member and the second linkage portion moves the second telescoping arm in the same direction relative to the first telescoping arm thereby simultaneously moving the footrest member in that direction and pivoting the footrest member about the first and second pivots.
摘要:
Process for the treatment of aluminum based substrates for the purpose of their anodic oxidation, comprising a surface treatment or chemical etching step using an acid bath comprising at least one fluorinated derivative of titanium and/or of zirconium and/or of silicium as well as at least one acid of the group comprising NO.sub.3 H, SO.sub.4 H.sub.2 and phosphoric acid.
摘要翻译:用于其阳极氧化目的的用于处理铝基基底的方法,包括使用包含至少一种钛和/或锆和/或硅的氟化衍生物的酸浴的表面处理或化学蚀刻步骤,以及在 包含NO 3 H,SO 4 H 2和磷酸的至少一种酸。
摘要:
Process comprisinga step for the preparation of the metallic substrate by degreasing, possibly followed by mechanical or chemical pickling,a step comprising the use by immersion or spraying of a bath adapted to provide on the metallic substrate the contemplated protective coating anda curing step at high temperature,and characterized by the fact that the above-mentioned bath comprises at least:a metal in the form of particles,chromic acid and/or one of its derivatives as oxidizing agent,at least one hydrosoluble solvent having a high boiling point and selected from those of the aprotic polar type and of the ketonic type,water.
摘要:
A gliding mechanism for a gliding recliner seating assembly comprises a floor-standing base having a longitudinal cross member parallel to a width of the seating assembly. Two front connecting links and two back connecting links respectively connect, pivotally, front and back portions of the seating assembly to the floor-standing base. The longitudinal cross member supports a weight transferred by the seating assembly to the floor-standing base and is positioned closer to the back portion of the seating assembly than to the front portion of the seating assembly. The gliding mechanism can be made part of a gliding recliner chair, for example an armchair, having vertical side frames pivotally connected to the floor-standing base. A footrest can be added to the seating assembly and be operated in extended position without preventing gliding movement of the chair. The floor-standing base may comprise a pivoting portion allowing rotation of the chair.
摘要:
Chemical conversion bath with zinc characterized by the fact that it comprises, besides the conventional constituents, an effective amount of fluorophosphate ion of the formula:F--PO.sub.3.sup.2-which can be introduced in the form of the corresponding acid, one of its alkali, alkaline-earth or ammonium salts or its zinc salt.