This invention relates to a novel class of hydroxamic acid based collagenase inhibitor derivatives of the formula wherein R<1> is C1-C6 alkyl; R<2> is C1-C6 alkyl, benzyl, hydroxybenzyl, benzyloxybenzyl, (C1-C6 alkoxy)benzyl, or benzyloxy(C1-C6 alkyl); a is a chiral center with optional R or S stereochemistry; A is a -(@HR<3>-@HR<4>)- group or a -(CR<3> = CR<4>)- group wherein b and c ...

Spiicer device (10) to disassemble and recompose yarn mechanicliy whereby said device (10) comprises means (12) to untwist-retwist the yarns to be spliced aiid said yarns (20-21) undergo an untwist in a action in a position of mutual non-interference and an action of removal and discharge of excessive tail ends (120-121) and also a retwisting action, said device (10) including in cooperation: - m...

PURPOSE:To enable a plate group to be efficiently manufactured with a laminating process in which only the first veneer is laminated eliminated by forming a plate laminating body composed of these laminating bodies at the end side of a main conveyer with the second veneer and separator supplied on the conveyer. CONSTITUTION:A laminating process in which only the first veneer 3 is laminated can be ...

PCT No. PCT/DE85/00165 Sec. 371 Date Dec. 16, 1985 Sec. 102(e) Date Dec. 16, 1985 PCT Filed May 15, 1985 PCT Pub. No. WO85/05348 PCT Pub. Date Dec. 5, 1985.A yarn supply apparatus for textile machines has a yarn drum (5) carrying a storage winding (10), to which drum the yarn (8) can be supplied at a tangent via a supply guide element, and from which drum the yarn can be drawn off, extending towar...

This device comprises a first planetary gear 24 rotationally integral with the casing 23 and a second planetary gear 31 rotationally integral with the output shaft 32. With each planetary gear 24, 31 there is associated a pair of satellite gears respectively 25, 26; 29, 30 and the satellite gears of the two pairs are connected in pairs by means of a common shaft 27, 28, the ratios of the various g...

A yarn splicing device for spun yarns to each other wherein end sections of two yarns are untwisted and placed in overlapping relationship one on the other and thus overlapping portions of the yarns are acted by fluid to intended splicing of the yarns. An untwisting nozzle of the yarn splicing device comprises a fluid injecting hole formed to open to an inner circumferential face of a nozzle pipe ...

Coextrusion from rubber of hollow tubular structures with filament reinforcement provides composites which can be formed into spliceless bodies for pneumatic tires. The composites can be formed from one, two, three or more rubber stocks and have portions or layers which can form the body plies, sidewalls, innerliners, stabilizer ply inserts and, optionally, abrasion gum strips of tire bodies. Tire...

This invention relates to a sterilized intravenous pharmaceutical container (12), and more particularly to a sterile flexible plastic seal (10) for resealing a pharmaceutical container (12) and for leaving a telltale mark (30, 32) on the container (12) when the replacement seal is removed. The flexible plastic cover (10) comprises a flexible plastic material forming a layer (40) substantially impe...

The invention relates to a method for the detection of fungi and algae in animal or human tissues and body fluids, to preparations containing an optical whitening agent suitable for the method, and to a test pack for performing the method. The tissue sections or body fluid samples to be examined are treated with an optical whitening agent and observed using a fluorescence microscope. The invention...

The convertible sofa comprises a backrest frame 12 and a first seat frame 11, which are articulated to each other by means of flanges 10, 9 and connected to a base 1 by means of a set of rods 5, 6, 14. A second seat frame 18 is connected to the first seat frame by means of a set of double parallel connecting rods 19, 20 and has a vertical foot 21 towards the front. In the chair position, the secon...

A method of detecting defects present at the surface and/or internally in transparent materials, particularly of detecting included foreign bodies or bubbles in glass, is disclosed. The test material is scanned with an electromagnetic radiation of a single wavelength which is set to the penetration depth in the test material. The intensity reflected by the defects is picked up and analyzed. By thi...

LA FIXATION COMPREND DEUX AILES INDEPENDANTES 3, 4 RAPPELEES EN POSITION DE REPOS PAR UNE BUTEE MOBILE 14 SOLLICITEE PAR UN RESSORT 16. LA BUTEE MOBILE 14 EST SOLIDAIRE D'UN COULISSEAU LONGITUDINAL 20 DONT LA PARTIE POSTERIEURE SAILLANTE 22 COOPERE AVEC DEUX RAMPES 25, 26 DANS UN LOGEMENT 23 DE LA PLAQUE ANTIFRICTION 10. L'OUVERTURE DES AILES VERS L'EXTERIEUR LIBERE LA PLAQUE ANTIFRICTION SANS ...

Solid particles are coated with a uniform and continuous polyamide layer by immersion in a reaction medium capable of forming polyamides by anionic polymerization in solution.

A process for installing seismic sensors inside a petroleum production well equipped with a cemented casing involves arranging the seismic sensors along an outer surface of the casing before being descended into a drilled well and cementing a ring-shaped space between the casing and the well so as to acoustically connect the sensors to geological formations. The sensors and transmission cables whi...

A retraction seal (32) for a disc brake is disposed within a caliper groove (34). The retraction seal (32) cooperates with a forward wall (42) of the groove (34) to define a space (72) which substantially prevents the retraction seal (32) from engaging a radially inner edge (80) of the forward wall (42) during braking, thereby preventing nibbling of the retraction seal (32).

The fleece web (60) to be patterned is guided past a first treatment station (36-38, 64) between a perforated supporting member (40) and a perforated drum casing (30, 33). At the same time, by being subjected to fluid, the fleece web (60) is provided with a first pattern, in that the fibres are ordered by the specific position of the perforation of the member (40) and of the casing (30, 33) in ord...

The present invention concerns the making of printing plates, particularly for litho printing. The invention involves assembling a montage of a plurality of individual films for exposure of the films to a printing plate. In order to assemble the montage a transparent, dry heat-sensitive adhesive coating is used on a carrier sheet and the films are bonded to the carrier sheet by this adhesive on th...