...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5637148 | Apparatus for coating board-shaped piece material on both sides A method and an apparatus for coating printed circuit boards on both sides are described in which the printed circuit boards are transported through several consecutive processing stations of a coating installation. In a first coating station, one side of... | 06/10/1997 |
| 5627011 | High resolution i-line photoresist of high sensitivity The invention relates to the use of oxime sulfonates of formula 1 ##STR1## wherein R is naphthyl, ##STR2## Ar is an unsubstituted aryl group or an aryl group which carries one or more than one substituent selected from the group consisting of ni... | 05/06/1997 |
| 5618778 | Additives for lubricants The present invention relates to a composition containing a lubricant or hydraulic fluid and in an effective amount to improve extreme pressure and anti-wear properties of said lubricant or hydraulic fluid of at least one compound of the formula II #... | 04/08/1997 |
| 5616633 | Liquid epoxy resin composition The present invention provides a liquid epoxy resin composition that includes an epoxy resin, at least one filler and an inorganic thixotropic agent in an amount effective to reduce settling of said filler at ambient temperatures. The composition further ... | 04/01/1997 |
| 5597886 | Heat-curable epoxy resin systems having a good reactivity/stability ratio Heat-curable epoxy resin systems comprising (a) at least one epoxy resin, (b) at least one polycarboxylic acid anhydride, and (c) 1,4-diazabicyclo(2,2,2)octane or a C1 -C4 alkyl-substituted derivative of 1,4-diazabicyclo(2,2,2)octane as curing... | 01/28/1997 |
| 5573889 | Process for adjusting the sensitivity to radiation of photopolymerizable compositions A process is described for the preparation of photopolymerizable compositions, wherein the photopolymerizable compositions can be photopolymerized by the irradiation of emission lines of differing wavelength from a UV/VIS laser light source, and contain a... | 11/12/1996 |
| 5567237 | Continuous drier for board-shaped piece material and coating installation comprising such a continuous drier A continuous drier for board-shaped piece material, especially for coated in-layers or printed circuit boards, is described which comprises a drying chamber, in which the board-shaped piece material to be dried is exposed to a guided air stream while bein... | 10/22/1996 |
| 5565500 | Cationically polymerizable mixtures containing selected metallocene complex salts as curing agents The invention relates to mixtures containing: a) a cationically polymerizable compound and b) a compound of the formula I [R1 (FeII R2)a ]q.sym.an anX.crclbar.q (I) in which a is 1 or 2, n... | 10/15/1996 |
| 5552459 | Highly filled epoxy casting resin compositions The invention relates to flame-retarded compositions comprising A) an epoxy resin mixture consisting of A1) 15-35% by weight of at least one liquid epoxy resin, A2) 55-85% by weight of aluminum oxide trihydrate having a particle size of D50 20-25 μm as ... | 09/03/1996 |
| 5549847 | Flowable aqueous dispersions of polycarboxylic acid corrosion inhibitors Highly concentrated flowable dispersions of corrosion inhibitors can be prepared by stirring a filter cake of the corrosion inhibitor with a dispersant and a thickener. These dispersions are storage stable.... | 08/27/1996 |
| 5545697 | Urethane modified epoxy resin compositions An epoxy resin composition characterized by comprising (A) an epoxy resin containing an oxazolidone ring, (B) a halogen-containing epoxy resin and (C) a curing agent as its ingredients, wherein the ratio by weight of ingredients (A) to (B) is 5-100:95-0, ... | 08/13/1996 |
| 5541038 | Photopolymerizable compositions Compositions comprising a linear base polymer, an ethylenically unsaturated addition-polymerizable compound and a combination of (A) a 1-benzoyl-1-amino-substituted-1-benzylalkane with (B) an -phenyl-,-dialkoxyacetophenone as photopol... | 07/30/1996 |
| 5534629 | -aminoacetophenones as photoinitiators Compounds of the formula I, II, III and IIIa ##STR1## in which Ar1 is an unsubstituted or substituted aromatic radical and at least one of the radicals R1 and R2 is an alkenyl, cycloalkenyl or arylmethyl group, are ef... | 07/09/1996 |
| 5532112 | Coreactive photoinitators Compounds of the formula RG--A--IN wherein IN is a photoinitiator basic structure A is a spacer group and RG is a functional reactive group can be employed as coreactive photoinitiators for photopolymerization of systems containing ethylenically unsaturated compoun... | 07/02/1996 |
| 5525400 | Information carrier and process for the production thereof There are disclosed laminated structures which are bonded with a UV-/VIS-curable composition and which consist of a main foil A) which is substantially impervious to light, at least one interlayer B) which is substantially impervious to light in the absen... | 06/11/1996 |