|Publication number||US180169 A|
|Publication date||Jul 25, 1876|
|Filing date||Jun 28, 1876|
|Publication number||US 180169 A, US 180169A, US-A-180169, US180169 A, US180169A|
|Inventors||Stephen P. M. Taskeb|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (30)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Patented July 25, 1876.
*1 MI W II III v minesws & S xxvxm Nv PETERS. FNGTO-UTHOGRAFHER, WASHINGTON, D. C.
UrrED STATES PA ENT orrroa STEPHEN P. M. TASKER, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT m ExPANome MANDRELSV Specification forming part of Letters Patent No. 180,169, dated July 25,1576; application filed June 28, 1876.
To all whom it may concern:
Be it known that l, STEPHEN P. M. TAS- KER, of the city and county of Philadelphia, in the State of Pennsylvania, have invented a new and useful Improvement in Expanding Ma-ndrels, which improvement is fully set forth in the following specification, reference being had to the accompanying drawings.
The nature of my invention consists in the division of the mandrel into tapered longitudinal sections, the wide end of every alternate section being at one end of the mandrel, and the wide end of the intermediate sections at the other end. The edges of the sections eter, and when they'are moved in an opposite direction the diameter is expanded. In order to accomplish these results, so as to accommodate themandrel to difl'erent sizes of tubes, I connect the large endsof every alternate section with a flange held thereon by means of screws or pins, which are allowed play in radial slots, the said flange being fast on' a central rod. The large ends of the intermediate sections are in like manner connected with a similar flange, which is fast on one end of a central tube or socket. The rod is operated by means of a nut on its outer end, or by a lever or any other suitable device, whereby the mandrel is expanded or contracted in the direction of its length, .for the;
A A A are three tapered longitudinal sec-.
tions of the mandrel, and A A A are intermediate sections of the same form, but in a reversed position, whereby their narrow ends come between the broad ends of the former. The broad ends of the sections A A A are held against the flange B by means of screws 'or pins 1), there being radial slots 01 in the flange to admit of the expansion and contraction of the sections. Thesections A A A are connected in like manner with the flange. B by means of the screws I), which pass through the radial slots d of the flange. The'sections are held together by means of the male and female dovetails e 6, whereby they are permittedto move freely in the direction of their'lengths, for the expansion and contraction ofv the mandrel, and their peripheral surfaces kept at all times even with each other.
, G is a central 'rod, one end of which is permanently connected with the flange B. It. has a longitudinal movement in the tube or socket D, one end of which is fast to the By the longitudinal movement of the rod in thedirection of the arrows seen in Fig.1, the two setsof sections. A and A having their wide ends drawn nearer each other, the mandrel is expanded in its diameter, as seen-in said Fig. 1; andwhen therod is moved in the opposite direction, (indicated by the arrowin Fig. 5,) so as to cause said broad ends to recede from each other,
the diameter is contracted, as seenin said To effect the longitudinal movement of the rod C have a nut,f, on its outer end, as represented in the drawing, or else employ a lever or any other convenient device, whereby a like result is produced.
I have shown three sections in each set,
but do not confine myself to the use of this number, as two or any higher number may be used.
The combination of the rod 0 and tube D may be dispensed with by having a rod proexpansion and con raction of the diameter of or socket D with the flanges B and B and the mandrel, substantially as set fort-h. sections A and A, the rod being operated 2. The combination of the sections A and by means of the nutfor other suitable device,
A, having screws or pins 11 b in their ends, substantially as set forth.
with the flanges B and B, having radial slots STEPHEN P. M. TASKER. d d, substantially as and for the purpose set Witnesses: i forth. THOMAS J. BEWLEY,
3. The combination of the rod 0 r and tube STEPHEN USTICK.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US2558845 *||Mar 3, 1945||Jul 3, 1951||Smith Corp A O||Propeller shank forming press|
|US2559824 *||Nov 12, 1947||Jul 10, 1951||George H Leland||Method of winding layer wound magnet coils|
|US2694376 *||Jan 10, 1951||Nov 16, 1954||Hauser Joseph E||Expandable mandrel|
|US2712249 *||Mar 10, 1950||Jul 5, 1955||Continental Foundry & Machine||Machine for flattening internal beads in welded tubing|
|US2781548 *||Jun 22, 1953||Feb 19, 1957||Coats & Clark||Cores and dies for producing hollow bodies|
|US2900075 *||May 28, 1957||Aug 18, 1959||Rizzitano Fortunato J||Collapsible plunger head|
|US2932390 *||Apr 16, 1954||Apr 12, 1960||Babcock & Wilcox Co||Displaceable guiding mechanism for extrusion mandrel|
|US3503630 *||Aug 1, 1966||Mar 31, 1970||Thomas Frank J||Angular die set for changing the direction of the tool pressure stroke in a punch press|
|US4405075 *||May 11, 1981||Sep 20, 1983||Combustion Engineering, Inc.||Structure for aligning and butt-welding tube ends|
|US5522785 *||Sep 29, 1994||Jun 4, 1996||Minnesota Mining And Manufacturing Company||Infinitely variable diameter roller|
|US5954462 *||Aug 12, 1998||Sep 21, 1999||Climax Portable Machine Tools, Inc.||Spot facing machine|
|US6546867 *||Apr 30, 2001||Apr 15, 2003||Heidelberger Druckmaschinen Ag||Variable-diameter cylindrically-shaped body|
|US6792859 *||Feb 27, 2003||Sep 21, 2004||Fuji Photo Film Co., Ltd.||Rotating drum and image recording device|
|US7114559 *||Feb 6, 2003||Oct 3, 2006||Baker Hughes Incorporated||Method of repair of collapsed or damaged tubulars downhole|
|US7669665 *||Dec 5, 2006||Mar 2, 2010||Geoservices||Mandrel for introduction into a fluid circulation duct, and related production well|
|US7748718 *||Jul 6, 2010||The Gleason Works||Expanable mandrel|
|US7921921 *||Sep 24, 2008||Apr 12, 2011||Baker Hughes Incorporated||Downhole backup system and method|
|US8083001 *||Dec 27, 2011||Baker Hughes Incorporated||Expandable gage ring|
|US20030155118 *||Feb 6, 2003||Aug 21, 2003||Sonnier James A.||Method of repair of collapsed or damaged tubulars downhole|
|US20030172829 *||Feb 27, 2003||Sep 18, 2003||Takashi Fukui||Rotating drum and image recording device|
|US20060284383 *||Jun 16, 2006||Dec 21, 2006||Brettell Charles E||Expandable mandrel|
|US20070131413 *||Dec 5, 2006||Jun 14, 2007||Francois Millet||Mandrel for introduction into a fluid circulation duct, and related production well|
|US20100071908 *||Mar 25, 2010||Baker Hughes Incorporated||Downhole backup system and method|
|US20110048744 *||Aug 27, 2009||Mar 3, 2011||Baker Hughes Incorporated||Expandable Gage Ring|
|CN1298532C *||Apr 5, 2002||Feb 7, 2007||海德堡印刷机械股份公司||Printing device with variable diameter cylinder and its diameter changing method|
|DE1211887B *||Jun 3, 1964||Mar 3, 1966||Albert Denker||Spreiz- und einziehbare Wickeltrommel fuer schwere Bandwickelbunde|
|DE19832503A1 *||Jul 20, 1998||Jan 27, 2000||Schaeffler Waelzlager Ohg||Manufacturing rotation symmetrical molded article with undercuts, slots, cavities or threading on inside, by placing removable splay sleeve inside article and then drawing it inside mold|
|EP1254856A2 *||Apr 9, 2002||Nov 6, 2002||Heidelberger Druckmaschinen Aktiengesellschaft||Cylindrical body of a machine processing printed web material|
|EP1345405A2 *||Mar 5, 2003||Sep 17, 2003||Fuji Photo Film Co., Ltd.||Rotating drum and image recording device|
|EP1731460A1 *||Apr 9, 2002||Dec 13, 2006||Goss International Americas, Inc.||Cylindrical body of a machine processing printed web material|