PL71844B2

PL71844B2 -

Info

Publication number: PL71844B2
Application number: PL15373672A
Authority: PL
Priority date: 1972-02-28
Filing date: 1972-02-28
Publication date: 1974-06-29

Description

Wykazuje nadto szereg zalet, jak na przyklad mozliwosc nieprzerwanej pracy przez cala dobe, a co za tym idzie znaczne skrócenia czasu badan, umozliwia dowolna ilosc powtórzen przeprowadzonych doswiadczen w odpowiednio dobranych i scisle okreslo¬ nych warunkach, co ma kapitalny wplyw na pewnosc uzyskanych wyników oraz ich porównywalnosc.Opisany na przykladach wykonania i zobrazowany na rysunku przedmiot wynalazku stanowi jedynie kilka z wielu mozliwosci jego realizacji, które moga byc zmieniane lub laczone w calosci iw czesciach w ramach zastrzezen patentowych.Uzyte w opisie okreslenie „znany" nalezy rozumiec jako powszechnie stosowany do tego celu lub znany z literatury technicznej powszechnej dostepczosci. PL PLMoreover, it has a number of advantages, such as the possibility of uninterrupted work all day long, and thus significantly shortening the research time, it allows any number of repetitions of the experiments carried out in properly selected and strictly defined conditions, which has a great impact on the reliability of the obtained results and The subject matter of the invention described in the exemplary embodiments and illustrated in the drawing is only a few of the many possibilities for its implementation, which can be varied or combined in whole and in part within the scope of the patent claims. The term "known" used in this description should be understood as commonly used for this purpose or known from the technical literature for general availability PL PL

Claims

1. Patent claims 1. A device for testing the wear and tear of the net fabric (kernel) intended for the construction of fishing fishing gear in laboratory or field conditions, characterized by the fact that it consists essentially of a bowl (3) placed on a base (1), provided with cleaning hole (4) and drain stub (16) and closed fallow cover (8) with a closure (9), a sight glass (10) and an inlet (11), inside which there is a drum (18) located on the common axis (19) ) provided with transverse (30) and longitudinal (29) resilient elements spanning the tested netting (31) on it, inside which is placed a rolling grinding element (23) suspended swingingly on the two-part arm (24 and 25) by means of an elastic element (26) with adjustable tension. .

2. Device according to claim The drum (18) as claimed in claim 1, characterized in that the drum (18) is set in motion by a gear, preferably a mechanical step.

3. Device according to claim 2. The method according to claims 1 and 2, characterized in that the bowl (3) is filled with saline and acidified water, and containing physical and chemical admixtures imitating the natural aquatic (sea) environment for the operation of a marine fishing gear, for example a fishing net.

4. A variant of the device according to claim A unit as in 1-3, characterized in that it has a friction piece (41) in the form of a block attached to the pendulum arm (42) outside the drum (18) at the bottom of the bottom (15).

5. A variant of the device according to claim A wedge-shaped abrasive element (45) mounted on the inside of the drum (18), pivoted and spring-mounted on the axis (19), and the drum (18) outside with numerous rolling abrasive elements (49), elastically attached to the common cradle (53) in the immediate vicinity of the bottom (15) .4 71844

6. A variant of the device according to claim A belt as claimed in 1-3, characterized in that it is provided with abrasive elements (54 and 60) suspended pivotally and flexibly, both inside and outside the bipartite structure of the drum (18). Figures i 92 12 i ± JL JL J ± 21 Fi9 2KL. 42k, 50 71844 MKP GOln 33/36 M fi 3 -i ^ Fi9. * KL. 42k, 50 71 844 MKP GOln 33/36 Ftg.S Prac. Typographer. UP PRL. residing 844/74 circulation 120 + 18 Price PLN 10 PL PL