1844.J 



THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 



35 



REGISTER OF NEW PATENTS. 



Under this head we propose to give abstracts of the specifications 

 of all the most important patents as they are enrolled. For this pur- 

 pose we shall feel obliged if patentees will favour us with abstracts of 

 their patents, immediately after their enrolment. If any additional 

 information be required as to any patent, the same may be obtained 

 by applying to Mr. Laxton at the Office of this Journal. 



STANDING RIGGING FOR SHIPS. 



James John Greebs, of Woolwich, Surgeon, for " Improvements in apparatus 

 far securing, or fixing, standing rigging, and chains, and other tackle." — Granted 

 July 1 ; Enrolled January 1. 



This invenlion of certain improvements for fixing standing rigging, chain's, 

 and other tackle, relates first to an improved lanyard, and consists in the 

 application of a screw with a right and left handed thread, each of which are 

 made to fit into a boss, having a hook at the outer end, for affixing the same 

 1 certain parts of the rigging : it will therefore be seen, that, on giving mo- 

 tion to the screw, which is effected by means of a tommy, or spanner, which 

 is made to fit on a boss, or enlarged part formed in the centre of the screw, 

 the two bosses will be simultaneously drawn together or separated, so as to 

 slacken or tighten the parts of rigging to which they may be attached at 

 pleasure. 



The second part of the invention relates to a hook which is constructed at 

 the lower part where the curve takes place, with a hinge joint ; the two parts 

 of the hook thus formed, when affixed to the rigging, are secured by a cord 

 or " mousing." These improvements, with respect to the screw lanyard, are 

 stated to be preferable to the present mode of securing rigging, for this reason, 

 that they can he slackened or tightened in any weather without impeding the 

 vessel's course, and in the application of the above to vessels of war, the in- 

 ventor presumes that, on account of the cylindrical form of the screw lanyard, 

 a shot would glide off, and therehy preserve the shroud, whereas, by the 

 present mode of constructing them, the lanyard would be cut, and the shroud 

 disengaged, and thus cause danger and inconvenience to those working the 

 ship. Lastly, the hook, which may be used in connexion with the screw lan- 

 yard, for securing the shrouds, being secured by the mousing, may, in case 

 of sudden storm, or where it is necessary to cut away the masts and rigging, 

 be disengaged at a moment's warning, by simply cutting the cord or mous- 

 ing, which will allow the book to fly open. 



The inventor claims, first, the mode of working a double screw into two 

 separate boxes bored out to receive the screw, and applying the same to stand- 

 ing rigging. Secondly, the exclusive manufacture of a hook or hooks with a 

 joint or binge, and the privilege of attaching such hook to chains or standing 

 rigging. 



FLATTENING GLASS. 



James Hartlet, of Wear Glass Works, Sunderland, Glass manufacturer^ 

 for '• Improvements in the manufacture of giass."— Granted July 6 ; enrolled 

 January 6, 1844. 



The present mode of flattening cylinders of glass, appears, irom the speci- 

 fication to be defective, inasmuch as the heat of the cylinder to be flattened 

 is the greatest on that side next the flattening stone, w hich side of the cylin- 

 der, being towards the fire, becomes highly heated, in consecjuence of which, 

 such side will flatten, whilst the other side, being comparatively little healed, 

 will retain much of its stiffness; the first part of this invention, therefore, 

 consis's in the application of a rotary stone of about 10 in. diameter, which 

 js fixed at the right of the flattening stone, in the position »here the cylinders 

 are usually put before being moved to the flattening stone ; on the under sur- 

 face of the rotary slone is an axis which is caused to rotate in suitable bear- 

 ings, so that the workman may readily turn round the stone with the cylin- 

 der of glass upon it, so that the heat of the glass can be kept equal on all 

 sides. The patentee, in the second part of his improvements, states that 

 some difficulty is experienced in getting a cylinder of glas, after it has been 

 cut open, flat upon the stone, in consequence of ihe air which is between the 

 flattening stone and the glass; to obviate this, Mr. Hartley perforates the 

 flatlening stone wiih a number of small boles, about 5 of an inch in diameter, 

 which allows the air to escape from underneath the plate of glass; it is pos- 

 sible that a stone so perforated would mark the face of glass, but where such 

 plate is to he ground and polished it is of no consequence, as the marks would 

 be removed by the operation of grinding. The third part of the invention re- 

 lates to certain improvements in the be I or table upon w hich plate glass is 

 ground ; the mode hitherto employed has been, to form a bed of plaster of 

 Paris; in place of this, a bed is formed by a sheet or sheets of India rubber 

 cut about I of an inch in thickness, and of a size dependent upon the plate to 

 be ground ; owing to the adhesive quality of India rubber, the plate of glass 



will be found to adhere very firmly during the process of grinding and po- 

 lishing. 



Lastly, in the manufacture of crown glass, it is well known, that just before 

 introducing the glass into the flashing furnace, the nose of the glass is heated 

 in a furnace constructed at one side, and which is called the nose-hole ; the 

 air which causes the rush of vapours through the nose ho!e, is introduced 

 below the fuel; by which means the draft causes a dust anil certain vapours to 

 pass this nose-hole, which is found to be prejudicial to the glass ; the mode 

 of obviating this is by constructing air tubes which proceed from the outside 

 of the glass house ; by these tubes air is conducted to the furnace, and allowed 

 to enter in streams at the sides, or front, and above, to the fuel, which entirely 

 obviates the defect above referred to. The claims are for the improvement 

 in the flattening kiln capable of rotating; for successively receiving the cy- 

 linders of glass to be flattened before they are moved on the flattening stone. 

 Second, the application of a perforated flattening stone. Third, the use of 

 india rubber for the purpose above described. Fourth, the peculiar mode of 

 constructing a furnace for healing the nose of crown glass before introducing 

 the same into the flashing furnace. 



METALLIC ROOFS AND JOISTS. 



James Brtdkll, Junior, of Oakfarm iron works, near Dudley, Staffordshire, 

 Iron master, for ^* Improvements in the manufacture of metallic roofs and joists 

 and improvements in joining sheets or plates of metal for various purposes." — 

 Granted July 6 ; Enrolled January 6. 



The mode of constructing metallic roofs, according to the first part of this 

 invention, is as follows ; the rafters are made with a groove a'ong the upper 

 edge ; and the plates forming the covering, which are of a rectangular form, 

 are bent down at ihe sides, so as to form a right angle with the surface ; one 

 end of each of the plates is also bent down in like manner, and the other 

 end bent upwards, so that when the plates are put together, the lower end 

 or that bent downwards, laps over the upper end of the plate adjoining, the 

 end of which is bent upwards, the lateral edges of each of the plates fit- 

 ting into the grooves formed in the rafters, into which they are secured by 

 means of wedges, the space between the plates is then filled with .asphalte: 

 another mode is by forming a groove in the rafters as described, and also 

 in the stretchers, which, on being put together, form a rectangular or oblong 

 groove, the edges of the plate in this case are bent one way, and made to 

 fit the rectangular groove ; the plates in this case are secured by wedges 

 and the water prevented passing through the joints by filling the space 

 with asphalte. 



The second part of the invention relates to a mode of joining metallic 

 battens or laths ; in this case the rafters are formed with a mortice on the 

 upper edge, and the ends of the battens so constructed as 10 fit in the same, 

 which are to be oonstructed as above described. The third improvement 

 consists in forming the rafters partly of wood, and partly of iron ; this is also 

 effecteJ by forming a groove in the edge of the rafter, which is afterwards to 

 be filled with wood, so that the laths or battens, when tiles are to be employed, 

 may be nailed to the rafters. 



Fourth, and lastly, this part of the invention relates to a mode of welding 

 iron plates, and bars of iron together ; for this purpose the patentee erects a 

 pair of rollers close to the mouih of the furnace ; the plates intended to be 

 welded may be affixed tog'ther by a lap joint, or a bar of iron may be placed 

 upon the plates so as to cover the joint. The plalesare then to be secured by 

 means of rivets or clamps, and placed in the furnace ; the rollers are so con- 

 structed that the top roller is capable of being raised, so that the workman 

 can put a pair of tongs between, lor Ihe purpose of taking hold of the plate ; 

 w hen the plates have got to a u'elding heat, they are withdrawn, and one end 

 placed between the rollers, which on being set in moiion, will draw the plates 

 Irom the furnace, and the parts will be welded together by the pressure. When 

 it is requiied to strengthen a plate of iron, a number of small pieces may be 

 placed upon the surface lu various devices, and the plate heated and welded 

 as above described. 



The inventor claims first, the mode of constructing metallic roofs by em- 

 ploying iron rafters with grooves and metal plates turned at their edgeF, 

 Second, the mode of making metallic roofs by applying iron rafters with 

 grooves for receiving iron laths. 1 bird, the mode of constructing wrought 

 iron rafters and joists with grooves for wood. Fourth, the mode of joioing 

 plates or sheets of iron, by causing them to be welded by means of the pres- 

 sure of rollers. 



RECTILINEAR INTO ROTATORY MOTION. 



James Booth, of Liverpool, clerk, and doctor of laws, for " Certain im- 

 provements in the means of converting rectilinear into rotatory motion, and of 

 converting rotatory into rectilinear motioti.^^ — Granted July (J ; enrolled Jan. 6. 



The specification, after referring to the various mechanical arrangements 

 which have been employed for the above purpose, proceeds to state that it is 



